2026 Solar Incentives by Region: Complete State-by-State Guide

Solar energy adoption continues to surge across the United States, driven by declining solar panel prices and generous state and federal incentives. As we move through 2026, understanding regional solar incentives is crucial for homeowners looking to maximize their return on investment when installing solar panels.

While the federal Investment Tax Credit (ITC) remains available at 30% through 2032, state-level incentives vary dramatically by region. This comprehensive guide breaks down the most attractive solar incentives by region, helping you identify the best opportunities in your area.

Understanding Types of Solar Incentives

Before diving into regional specifics, it's important to understand the main types of solar incentives available:

Tax Credits: Direct reductions in your tax liability, typically more valuable than deductions Cash Rebates: Upfront payments that reduce your initial solar installation costs Net Metering: Policies allowing you to sell excess solar energy back to the grid Performance-Based Incentives: Payments based on actual solar energy production Solar Renewable Energy Certificates (SRECs): Tradeable certificates that generate ongoing income

Northeast Region: Leading the Solar Revolution

Massachusetts

Massachusetts continues to offer some of the nation's most comprehensive solar incentives in 2026. The state's Solar Massachusetts Renewable Target (SMART) program provides performance-based incentives ranging from $0.06 to $0.20 per kilowatt-hour produced over 10-20 years.

Key incentives include:

• SMART program payments for 10-20 years
• No sales tax on solar installations
• Net metering at full retail rates
• Property tax exemption for solar installations

The average Massachusetts homeowner can expect total incentives worth $15,000-$25,000 when combined with federal credits.

For 2026 SMART rate tables, capacity block availability by utility, and full incentive stacking examples showing net costs under $2,000, see our Massachusetts solar incentives guide.

New York

New York's NY-Sun program remains robust in 2026, offering upfront rebates that vary by region and system size. Con Edison territory residents receive the highest rebates, up to $1,000 per kilowatt installed.

Notable incentives:

• NY-Sun rebates: $400-$1,000 per kW
• 25% state tax credit (up to $5,000)
• Net metering with monthly credit rollovers
• No sales tax on solar equipment

For NY-Sun rebate tiers by utility territory, the unique 25% state credit (stacks on full cost basis), and worked stacking examples up to $9,910 in combined incentives, see our New York solar incentives guide.

Connecticut

Connecticut delivers some of the fastest solar payback periods in the Northeast — driven by electricity rates averaging $0.27–$0.31/kWh (nearly double the national average) and the state's Residential Solar Investment Program (RSIP), which pays a performance-based incentive of roughly $0.20–$0.26/kWh on all production for 6 years.

Key 2026 incentives:

• 30% federal ITC — reduces gross system cost by nearly one-third
• RSIP performance payments — $0.20–$0.26/kWh on metered production for 6 years, administered by Eversource and United Illuminating through the CT Green Bank; RSIP-E enhanced rate available for income-qualified households
• Full property tax exemption (CGS § 12-81(56)) — 100% exemption on the assessed value added by a solar system; worth $15,000–$30,000+ over 25 years at Connecticut's property tax rates
• Full sales tax exemption (CGS § 12-412(116)) — 6.35% CT sales tax waived on solar equipment, saving $500–$900 at purchase
• Retail-rate net metering — monthly netting at full retail rate under PURA regulations; annual true-up at avoided cost (size system to avoid year-end excess)

A typical 8 kW system in Hartford receives the ITC ($6,720), electricity savings ($2,538/year at $0.27/kWh), and RSIP income ($2,256/year for 6 years) — producing a 3–4 year payback period, among the fastest in New England despite Connecticut's relatively modest solar resource (4.0–4.2 peak sun hours/day in most of the state).

For RSIP block rate mechanics, Eversource vs. UI territory comparison, income-qualified RSIP-E details, and full Hartford/New Haven/Bridgeport stacking examples, see our Connecticut solar incentives guide.

Rhode Island

Rhode Island is one of the best-value solar markets in New England — and consistently underestimated. The state's electricity rates are among the highest in the country at $0.22–$0.27/kWh (National Grid residential), which drives fast solar paybacks. The Renewable Energy Fund (REF) provides an upfront cash rebate, and Rhode Island offers both a full property tax exemption and a full 7% sales tax exemption on solar equipment.

Key 2026 incentives:

• 30% federal ITC — the primary driver; no state income tax credit exists in Rhode Island
• Renewable Energy Fund (REF) rebate — $0.20–$0.35/watt upfront cash rebate for standard residential systems; $0.50–$0.65/watt enhanced rate for income-qualified (≤80% area median income) households; administered by Rhode Island Infrastructure Bank through National Grid
• Full property tax exemption (RIGL § 44-3-3) — 100% permanent exemption on solar-added assessed value; worth $3,900–$8,500+ over 25 years depending on municipality and property tax rate (Providence: ~2.27%; Warwick: ~1.67%)
• Full sales tax exemption (RIGL § 44-18-30) — Rhode Island's 7% sales tax waived on all solar equipment; saves $1,200–$2,100 at purchase
• Retail-rate net metering (RIGL § 39-26) — legislatively protected; National Grid credits exported power at full retail rate monthly, with year-end excess paid at avoided cost

A Providence homeowner with an 8 kW system receives the ITC ($7,080), REF rebate ($2,000), sales tax savings ($1,652), and electricity savings ($1,880/year at $0.235/kWh) — producing a 5.5–7 year payback even before counting the 25-year property tax exemption value (~$8,040 NPV in Providence).

For REF block availability, National Grid net metering mechanics (annual true-up at avoided cost affects system sizing), income-qualified LMI enhanced rebate, community solar for renters, and full Providence/Warwick/Newport stacking examples, see our Rhode Island solar incentives guide.

New Hampshire

New Hampshire surprises most buyers: despite a northern latitude, Eversource residential rates average $0.25–$0.28/kWh — among the highest in the country — which accelerates solar payback significantly. The state has no sales tax (one of only five states), the NHPUC mandates retail-rate net metering for all utilities (Eversource, Unitil, NH Electric Cooperative, Liberty), and most municipalities have adopted a property tax exemption under RSA 72:61–72:72.

Key 2026 incentives:

• No sales tax — NH has no state sales tax; saves $1,500–$3,000 vs. neighboring states on a typical solar installation (automatic, no application required)
• 30% federal ITC (or 40% in qualifying Energy Community census tracts in Hillsborough, Strafford, or Coos counties — verify your address)
• Property tax exemption (RSA 72:61–72:72) — most municipalities exempt 100% of solar-added assessed value; saves $290–$400/year at NH's 1.93% effective property tax rate; file Form PA-29 by April 15 after installation
• Retail-rate net metering — NHPUC mandates retail-rate net metering for Eversource, Unitil, NH Electric Cooperative, and Liberty; annual true-up at avoided cost (~$0.07–$0.09/kWh) — don't oversize your system beyond annual usage
• USDA REAP — grants up to 50% of project cost for rural NH agricultural producers in Grafton, Coos, Carroll, and Sullivan counties

Manchester/Eversource example (8 kW): ~$17,360 net after ITC and no sales tax → ~9.4-year payback at $0.27/kWh; property tax NPV adjusts this to ~8.5 years. Portsmouth (higher rates): 6.7–7.4 year payback.

For NHPUC net metering mechanics, property tax exemption application steps (Form PA-29), Energy Community eligibility check, and full Manchester/Concord/Portsmouth stacking examples, see our New Hampshire solar incentives guide.

Vermont

Vermont rounds out New England's solar coverage. High electricity rates ($0.21–$0.25/kWh for Green Mountain Power customers) offset lower sun hours (4.2–4.9 peak sun hours/day) to produce 10–14 year payback periods — competitive with many sunnier states that lack Vermont's high-rate dynamic. Vermont's incentive stack is thinner than its neighbors (no state income tax credit, no sales tax exemption), but the property tax exemption, Efficiency Vermont cash rebates, and GMP's innovative battery lease program round out the picture.

Key 2026 incentives:

• 30% federal ITC — primary incentive; no state income tax credit exists in Vermont
• Property tax exemption (32 V.S.A. § 3845) — full exemption on solar-added assessed value; saves $260–$440/year at Vermont's 1.82% average rate; no application required, but verify with your local assessor after installation
• No sales tax exemption — Vermont's 6% sales tax applies to solar equipment, adding $1,500–$2,000 to a typical residential system; this is Vermont's most significant incentive gap vs. neighbors
• Retail-rate net metering — all utilities mandated (30 V.S.A. § 219a) for systems up to 150 kW; monthly netting at retail; annual April true-up at avoided cost — don't oversize
• Efficiency Vermont cash rebate — $400–$750 standard; up to $1,500+ for solar + battery storage; income-qualified households may qualify for $1,500–$2,500 enhanced rebate
• GMP Powerwall Lease Program — Green Mountain Power offers Tesla Powerwall units at $15/month for backup power (GMP controls dispatch); owned batteries qualify for 30% ITC; leased batteries do not

Burlington 9 kW example: ~$21,350 net after ITC + EVT rebate → ~11.7-year simple payback at $0.22/kWh; 25-year savings approximately $35,000–$42,000.

For Green Mountain Power net metering mechanics, Efficiency Vermont rebate application, GMP battery programs, and full Burlington/Montpelier stacking examples, see our Vermont solar incentives guide.

Maine

Maine punches well above its weight in solar economics — despite modest sun hours (Portland: 4.7 peak sun hours/day), electricity rates from Central Maine Power (CMP) running $0.22–$0.28/kWh are among the highest in New England, producing 4–6 year payback periods in southern Maine that rival much sunnier states. The state's full incentive stack includes an Efficiency Maine Trust (EMT) cash rebate, 100% property tax exemption, full 5.5% sales tax exemption, and retail-rate Net Energy Billing.

Key 2026 incentives:

• 30% federal ITC — primary driver; no Maine state income tax credit specific to solar
• Efficiency Maine Trust (EMT) cash rebate — $450/kW for standard residential systems (up to $2,000 total); $800/kW enhanced rate for income-qualified households (up to $3,500); paid directly within 60–90 days after inspection; requires a certified trade ally installer
• 100% property tax exemption (36 M.R.S. § 656(1)(J)) — solar systems on residential buildings are fully exempt from local property tax for the life of the installation (20+ years); worth $1,500–$4,000+ over 20 years depending on municipality and assessed value
• Full sales tax exemption (36 M.R.S. § 1760(33-A)) — Maine's 5.5% sales tax waived on solar equipment; saves $1,100–$1,800 at purchase
• Net Energy Billing (NEB) — Maine PUC retail-rate net metering for CMP and Versant Power; monthly billing at retail rate; carryover credits can roll forward; annual true-up for excess
• Community Net Metering — Maine's virtual net metering program allows renters and apartment dwellers to subscribe to community solar and receive credits on their bills
• Energy Community 40% ITC — potential in former mill towns and qualifying census tracts in Millinocket/East Millinocket, Aroostook County, and parts of Penobscot County; verify at energycommunities.gov

Portland (CMP, 8 kW, 30% ITC): $23,200 gross → $16,240 net after ITC; EMT rebate ($3,600); sales tax saved ($1,276) → effective ~$11,364 net. At $0.25/kWh → $2,600/year savings → **4.4-year payback** — among the fastest in New England. Income-qualified with $800/kW EMT: effective net cost under $8,000, payback under 3.5 years.

For Efficiency Maine Trust rebate application process, trade ally requirements, CMP vs. Versant Power territory comparison, community solar for renters, income-qualified pathways, and full Portland/Bangor stacking examples, see our Maine solar incentives guide.

Mid-Atlantic Region: Growing Solar Markets

Pennsylvania

Pennsylvania offers a moderate solar incentive stack for the Mid-Atlantic region — anchored by the federal 30% ITC, a functioning Alternative Energy Credit (AEC/SREC) market, and PUCO-protected retail-rate net metering. The absence of a statewide property tax exemption or sales tax relief is a notable gap versus neighboring New Jersey and Maryland, but buyers in PECO territory (Philadelphia/suburbs) benefit from the state's highest electricity rates, and western PA buyers in former coal communities often qualify for the 40% Energy Community ITC bonus.

Key 2026 incentives:

• 30% federal ITC (or 40% Energy Community rate in many western PA coal counties — Fayette, Greene, Cambria, Clearfield, Indiana, Armstrong, Beaver, Clarion, and others)
• Pennsylvania AEC market — currently $25–$50/MWh; roughly $385–$420/year in income for a typical 9 kW system; less robust than NJ's SREC II but still meaningful over 15 years
• Retail-rate net metering — required by PUC for all investor-owned utilities; PECO, PPL, West Penn Power, Penn Power, Met-Ed, and Penelec all participate
• No statewide property tax exemption — a key gap vs. neighboring states; local LERTA programs may help in some municipalities
• No sales tax exemption for residential solar — 6% PA sales tax applies

PECO customers in the Philadelphia metro area have the strongest solar economics in the state due to high retail rates ($0.16–$0.18/kWh). Energy Community buyers in western PA can offset the lower West Penn Power rates with the 40% federal ITC.

For AEC enrollment steps, utility-by-utility net metering comparisons, the Energy Community ITC bonus map, and full Philadelphia/Pittsburgh stacking examples (8–9 year payback in favorable scenarios), see our Pennsylvania solar incentives guide.

New Jersey

New Jersey maintains its position as a leading solar state with strong SREC markets and comprehensive net metering. The Successor Solar Incentive (SuSI) program provides long-term performance payments.

Benefits include:

• SuSI program payments for 15 years
• Net metering with annual true-up
• Sales and property tax exemptions
• Some municipal rebates available

For SREC II enrollment steps, current REC prices ($185–$270/MWh), broker options, and full incentive stacking examples showing 4.2–4.3 year payback periods, see our New Jersey solar incentives guide.

Maryland

Maryland offers one of the most compelling solar incentive stacks in the Mid-Atlantic — particularly for BGE and Pepco territory customers who face some of the region's highest electricity rates ($0.14–$0.18/kWh). The combination of an active SREC market, full property and sales tax exemptions, and retail-rate net metering protected by statute creates 6–9 year payback periods for many homeowners.

Key 2026 incentives:

• 30% federal ITC — worth $6,960–$8,700 on a typical 8–10 kW system; 40% for Allegany/Garrett counties (Energy Community zones in western Maryland)
• Maryland SREC market (Tier 1) — currently $60–$90/MWh; generates $630–$900+/year in ongoing income for a typical 7–10 kW system, amounting to $10,000–$15,000+ over 15 years
• Full property tax exemption — Maryland Tax-Property Article § 9-203; 100% of added home value excluded from assessment; saves $3,640–$8,960 over 20 years depending on county (Baltimore City benefits most at 2.24%)
• Full sales tax exemption — 6% MD sales tax exempt on solar equipment (Maryland Tax-General Article § 11-213); saves $1,100–$1,800 on a typical system
• Retail-rate net metering — Md. Code, Public Utilities Article § 7-306; legislatively protected; BGE, Pepco, Delmarva Power, and Potomac Edison all required to credit at full retail; annual April true-up

SREC income is the distinctive differentiator in Maryland: unlike neighboring Virginia (no SREC market) and Pennsylvania (lower prices), Maryland Tier 1 SRECs have historically traded at $60–$90+ and are backed by growing RPS compliance requirements through 2035.

For full SREC enrollment steps, BGE vs. Pepco vs. Delmarva utility differences, Baltimore City and Bethesda stacking examples (6–9 year payback), and SREC vs. net metering income breakdown, see our Maryland solar incentives guide.

West Virginia

West Virginia presents the most distinctive solar case in the Appalachian region: challenging baseline economics (no state income tax credit, no sales tax exemption, low electricity rates ~$0.10–$0.12/kWh, modest sun resource 3.8–4.4 peak sun hours/day) transformed by the Energy Community 40% ITC — which applies to the vast majority of WV counties due to the state's extensive coal mining and industrial heritage.

Key 2026 incentives:

• 30% federal ITC (standard rate; 40% in Energy Community census tracts covering most of the state)
• Energy Community 40% ITC — southern coal counties (Boone, Logan, Mingo, McDowell, Wyoming, Lincoln, Raleigh), northern industrial belt (Marshall, Mason, Pleasants, Kanawha), and central WV (Nicholas, Webster, Fayette) all have broad eligibility; verify your specific address via DOE census tract tool
• AEP/Appalachian Power net metering — retail rate for southern/central WV customers; monthly credit accumulation; annual true-up at avoided cost
• Mon Power (FirstEnergy) net metering — retail rate for northern WV (Morgantown, Clarksburg, Weirton); similar annual true-up mechanics
• No state income tax credit — significant gap vs. Virginia, Maryland, Pennsylvania
• No sales tax exemption — full 6% WV sales tax applies to solar equipment
• No statewide property tax exemption — county assessors vary; confirm local treatment before installation
• USDA REAP — up to 50% grant for agricultural producers and rural businesses; West Virginia's farm and rural business economy benefits significantly

Charleston/Kanawha County Energy Community example (8 kW, AEP territory, 40% ITC): $24,000 gross → $14,400 net → ~9 year payback at $0.12/kWh with 4% rate inflation. Morgantown standard 30% ITC example (7 kW, Mon Power): $21,000 gross → $14,700 net → ~11.5 year payback. Beckley/Raleigh County Energy Community example (9 kW, AEP, 40% ITC): $27,000 gross → $16,200 net → ~8 year payback.

For Energy Community county eligibility details, AEP vs. Mon Power net metering mechanics, property tax assessment guidance, USDA REAP for WV agricultural producers, and full Charleston/Morgantown/Beckley stacking examples, see our West Virginia solar incentives guide.

Southeast Region: Emerging Solar Opportunities

Florida

Florida's solar market continues growing despite limited state incentives. The state's abundant sunshine and strong net metering policies make solar attractive for many homeowners.

Available incentives:

• Property and sales tax exemptions
• Net metering at full retail rates
• Some utility rebate programs
• No state income tax (federal credit more valuable)

For utility-specific net metering rules (FPL, Duke Energy, TECO, JEA), hurricane resilience guidance for battery storage, and a Tampa homeowner cost example showing 4.2-year payback, see our Florida solar incentives guide.

Georgia

Georgia is the 9th-largest solar market in the U.S. with 4.7–5.2 peak sun hours per day. Homeowners frequently get misled by sales reps claiming a "state solar tax credit" — no such credit exists in Georgia. What is real: a permanent property tax exemption (O.C.G.A. § 48-11054), the 30% federal ITC, and Georgia Power net metering at retail rates for systems ≤10 kW (systems over 10 kW receive only avoided-cost compensation, currently ~$0.03–$0.04/kWh — a critical sizing constraint).

Available incentives:

• 30% federal ITC (primary incentive, worth $7,200–$10,800 on a typical system)
• Property tax exemption — full value of solar system excluded from assessed value permanently
• No state income tax credit — none exists despite sales pitches claiming otherwise
• No sales tax exemption for residential solar (effective tax adds $864–$1,152 to project cost)
• Georgia Power net metering — retail rate (≤10 kW); avoided cost only (>10 kW)
• Energy Community ITC adder — 10% bonus credit for homes in qualifying former coal communities

For utility-by-utility net metering rules (Georgia Power vs. 41 EMCs), full incentive stacking examples for Atlanta and Savannah, and a checklist for going solar in Georgia, see our Georgia solar incentives guide.

South Carolina

South Carolina offers the strongest solar incentive package in the Southeast — built around a 25% state income tax credit (up to $3,500 per year, with a 10-year carry-forward period) that no neighboring state matches. Combined with the federal 30% ITC, South Carolina homeowners can recover more than 55% of a typical system's cost in tax credits before net metering savings are counted.

Key incentives include:

• 25% state income tax credit (SC Code § 12-6-3587) — up to $3,500/year, 10-year carry-forward, calculated on full cost before federal credit
• 30% federal ITC — both credits are independent and additive
• Retail-rate net metering — Dominion Energy SC, Duke Energy Carolinas/Progress, Santee Cooper all offer retail-rate net metering for residential systems under 20 kW
• Property tax exemption — full value of solar system excluded from assessed value (SC Code § 12-37-3135)
• No sales tax exemption — SC's 6–8% sales tax applies (notable gap vs. FL, NY, MA)

For Dominion Energy vs. Duke Energy vs. Santee Cooper net metering differences, the critical mechanics of the 25% state credit (multi-year carry-forward, calculation on full cost basis), and full Charleston/Columbia stacking examples showing 8–9 year payback periods, see our South Carolina solar incentives guide.

North Carolina

North Carolina ranks third in the U.S. for total installed solar capacity — trailing only California and Texas — driven by HB 589's bipartisan net metering protection and Duke Energy's Carolinas Carbon Plan. Despite no state income tax credit (it was phased out in 2016), the combination of the 30% federal ITC, an 80% property tax exclusion, and retail-rate net metering produces 9–10 year payback periods for most homeowners.

Key 2026 incentives:

• 30% federal ITC — worth $5,400–$10,800 on a typical system; 40% in Energy Community (coal-county) zones in western NC
• 80% property tax exclusion (G.S. § 105-277.3) — saves $2,880–$4,000+ over 20 years depending on county rate
• Partial sales tax exemption — panels/inverters exempt; labor taxable (effective savings ~$1,050 on a $25K system)
• Duke Energy retail-rate net metering (HB 589) — protected through 2027; April true-up at avoided cost (~$0.04/kWh)
• Dominion Energy NC net metering — retail rate for northeastern NC territory
• No state income tax credit — a common sales pitch misrepresentation; none exists

Duke serves ~80% of NC customers; Dominion serves northeastern NC. The critical HB 589 grandfather provision means installing before 2027 locks in retail-rate net metering regardless of any future Duke tariff changes.

For Duke vs. Dominion territory net metering rules, Energy Community zones in western NC, Charlotte/Raleigh full stacking examples (8–10 year payback), and a checklist for NC buyers, see our North Carolina solar incentives guide.

Virginia

Virginia's Clean Economy Act (VCEA, 2020) committed Dominion Energy to 100% carbon-free power by 2045 and strengthened net metering significantly — making it one of the most policy-stable solar states in the Mid-Atlantic. No state income tax credit exists (the credit expired in 2017), but the property tax exclusion, legislatively protected retail-rate net metering, and above-average Dominion electricity rates ($0.11–$0.14/kWh) drive compelling long-term economics, especially in Northern Virginia.

Key 2026 incentives:

• 30% federal ITC (40% in southwest VA Energy Community coal counties — Buchanan, Wise, Dickenson, Tazewell, and others)
• 100% property tax exemption (Code of Virginia § 58.1-3661) — full added value excluded; saves $3,100–$4,800 over 20 years depending on county
• Sales tax: Limited partial exemption for residential; most homeowners pay full 5.3–6% sales tax
• Dominion Energy retail-rate net metering (VCEA-protected) — legislatively locked in through at least 2028; annual April true-up at avoided cost
• Appalachian Power (AEP) net metering — retail rate for southwest VA customers (Energy Community bonus widely applicable)
• Virginia Solar for All — EPA IRA-funded free solar for qualifying very-low-income homeowners; USDA REAP up to 50% for rural farms/businesses

VCEA grandfather provisions protect customers who install now from future net metering rate reductions that Dominion could otherwise propose. Northern Virginia homeowners with higher electricity rates see the best economics; southwest VA buyers often qualify for the 40% ITC bonus.

For Dominion vs. APCo territory differences, VCEA grandfather protection mechanics, Northern Virginia vs. Richmond full stacking examples (10–12 year payback), and VA vs. neighboring states comparison, see our Virginia solar incentives guide.

Delaware

Delaware benefits from a uniquely favorable structural advantage: it is one of only five U.S. states with no sales tax — so solar panels, inverters, and racking are purchased tax-free by default (saving 6–9% vs. neighboring Pennsylvania, which has no solar exemption). Combined with the DNREC Green Energy Program upfront cash rebate, an active SREC market through PJM-GATS, a 9-year property tax exemption, and retail-rate net metering under PSC mandate, Delaware delivers mid-range Mid-Atlantic solar economics with 10–14 year payback periods for most homeowners.

Key 2026 incentives:

• 30% federal ITC — worth $5,580–$9,300 on a typical 6–10 kW system; 40% in any qualifying Energy Community census tracts (verify via IRS map)
• DNREC Green Energy Program rebate — $0.25/W upfront cash, up to $2,500 for standard residential; $0.50/W up to $5,000 for income-qualified households (≤80% AMI)
• Delaware SREC market — $25–$60/SREC via PJM-GATS registration; ~$365–$552/year for a typical 9 kW system; less than NJ ($185–$270) but real ongoing income
• No Delaware sales tax — structural 0% rate; saves $1,240–$2,200 vs. Pennsylvania (6% with no solar exemption)
• Property tax exemption — Title 9, §9-2308; full exemption on added assessed value for 9 years; worth $900–$1,200 in New Castle County
• Retail-rate net metering — PSC-mandated for Delmarva Power and Delaware Electric Cooperative; annual April true-up at avoided cost (don't oversize for export)

Wilmington example (8 kW, Delmarva Power): $24,800 gross → $15,360 net after ITC + DNREC rebate → $10,528 effective cost with 10-year SREC income → 10.1-year payback. Sussex County DEC example (10 kW): $31,000 gross → $19,200 net → 10.8-year payback with SREC income included.

For DNREC Green Energy Program application steps, SREC registration via PJM-GATS, Delmarva Power vs. Delaware Electric Cooperative net metering differences, property tax exemption details, and full Wilmington/Sussex County stacking examples, see our Delaware solar incentives guide.

Tennessee

Tennessee solar economics are unique because 96% of the state is served by the Tennessee Valley Authority (TVA) — a federally-owned entity — operating through local power companies (LPCs) like Nashville Electric Service, EPB (Chattanooga), Memphis Light Gas and Water, and Knoxville Utilities Board. There is no traditional net metering in most of Tennessee. Instead, TVA offers the Green Power Providers (GPP) program, which pays a Solar Generation Price of approximately $0.044–$0.053/kWh for all solar production — roughly half the retail rate (~$0.12/kWh).

The most important fact Tennessee buyers need to know: the GPP program adds a $15.64/month Power Service Connection fee to every solar customer's bill — regardless of production or outage status. That's $187.68/year in added charges, reducing net solar savings significantly and lengthening payback periods compared to net-metering states.

Key 2026 incentives and realities:

• 30% federal ITC — the dominant Tennessee incentive; worth $5,250–$8,250 on a typical system
• 40% ITC Energy Community bonus — available in Anderson, Campbell, Claiborne, Morgan, Scott, Sequatchie, and other eastern TN coal-mining counties
• TVA Green Power Providers buyback — ~$0.044–$0.053/kWh on all solar generation (not net metering)
• $15.64/month GPP Power Service Connection fee — critical negative that reduces annual savings by $188
• No property tax exemption — most Tennessee counties offer none (gap vs. VA, NC, GA neighbors)
• No sales tax exemption — Tennessee's 9.25–9.75% combined rate applies to solar equipment
• No state income tax credit — Tennessee has no state income tax on wages

Self-consumption optimization is critical in Tennessee. Since exported solar earns only ~$0.05/kWh while avoided imports save $0.12/kWh, systems should be right-sized for daytime consumption — not oversized for export. Daytime load-shifting and battery storage materially improve Tennessee solar economics.

Memphis example: 9 kW system, optimized for 75% self-consumption → $17,325 net after ITC → 14.5-year payback. Anderson County Energy Community example: 8 kW system, 40% ITC → $13,200 net → 15.9-year payback.

For TVA Green Power Providers program mechanics, the Power Service Connection fee explained, LPC-by-LPC differences, Energy Community county map, and full Nashville/Memphis/Knoxville stacking examples, see our Tennessee solar incentives guide.

Kentucky

Kentucky's solar landscape is defined by which utility serves your address — the single most important question for any Kentucky solar buyer. The state is divided between three distinct utility models: LG&E (Louisville metro, retail-rate net metering), Kentucky Utilities/KU (Lexington and central KY, retail-rate net metering), Duke Energy Kentucky (northern KY/Cincinnati metro, retail-rate net metering), and TVA local power companies (eastern KY rural areas, buyback rate ~$0.044–$0.053/kWh plus the $15.64/month Power Service Connection fee — same structure as Tennessee).

Kentucky has no state income tax credit for solar and no sales tax exemption (6% applies to equipment), but does offer a property tax exemption on solar-added assessed value (KRS § 132.020), worth approximately $1,200–$2,100 over a 20-year system life at Kentucky's 0.83% average property tax rate.

Key 2026 incentives:

• 30% federal ITC — the primary Kentucky incentive
• 40% Energy Community ITC bonus — significant coverage in eastern KY coal counties: Pike, Harlan, Perry, Letcher, Breathitt, Martin, Floyd, Knott, Leslie, and others
• Property tax exemption — solar-added assessed value excluded from property taxes (implementation varies by county; confirm with your assessor)
• LG&E/KU/Duke retail net metering — ~$0.10–$0.115/kWh credit, SB 564-style state protections
• TVA territory (eastern KY LPCs): buyback rate ~$0.044–$0.053/kWh + $15.64/month Power Service fee; self-consumption optimization essential
• No state income tax credit and no sales tax exemption (notable gaps)

Louisville example (LG&E territory): 9 kW system, ~$27,000 gross → $18,900 net after 30% ITC → ~15.6-year payback at $0.112/kWh. Eastern KY Energy Community example: 8 kW system, 40% ITC → ~$13,920 net, but longer payback due to TVA buyback rate structure and lower electricity rates.

For utility-by-utility net metering vs. TVA buyback comparison, Energy Community ITC county map for eastern Kentucky, USDA REAP eligibility for Kentucky agricultural producers, and full Louisville/Lexington/Pike County stacking examples, see our Kentucky solar incentives guide.

Alabama

Alabama is an honest solar market — good sun (Birmingham: 4.8–5.3 peak sun hours/day; Mobile: 5.2–5.6/day), but a limited incentive stack. There is no state income tax credit, no property tax exemption, and no sales tax exemption for residential solar in Alabama. The entire state-level incentive package consists of: the 30% federal ITC (or 40% in Energy Community census tracts), and that's largely it. Alabama Power's net metering compensates exported solar at the avoided cost rate (~$0.05–$0.07/kWh) rather than retail — a critical difference that makes self-consumption optimization far more important than in retail net metering states.

Key 2026 incentives and realities:

• 30% federal ITC — the dominant Alabama incentive; worth $5,250–$8,700 on a typical 7–10 kW system
• 40% Energy Community ITC bonus — significant coverage in Jefferson County (Birmingham, former U.S. Steel/industrial), Walker County (coal mining), Etowah County (Gadsden former manufacturing), Cullman County, Marshall County, Lawrence County, and qualifying Tuscaloosa/Shelby census tracts; verify at census tract level
• Alabama Power avoided-cost net metering — exported solar earns only ~$0.055–$0.065/kWh vs. retail $0.11–$0.13/kWh; self-consumption is 2× as valuable as exporting — right-size systems for daytime load, not maximum output
• TVA territory (northern Alabama) — Huntsville, Decatur, northern counties served by TVA LPCs (Huntsville Utilities, etc.); TVA Green Power Providers pays ~$0.048/kWh buyback + adds a $15.64/month Power Service Connection fee ($188/year added cost that most salespeople don't disclose)
• No state tax credit, no property tax exemption, no sales tax exemption — Alabama has one of the thinnest residential solar incentive stacks of any southern state
• Rural co-ops vary — most Alabama co-ops (Baldwin EMC, Coosa Valley, Wiregrass) offer avoided-cost export rates; confirm before signing; not required to offer retail net metering
• USDA REAP — 25–50% grants for Alabama farms and rural small businesses; farm payback periods of 4–6 years achievable

Birmingham 9 kW example (Alabama Power, Energy Community 40% ITC): ~$24,300 gross → $14,580 net after 40% ITC → 11.7-year payback at 60% self-consumption rate. Mobile 9 kW example (standard 30% ITC): ~$24,300 gross → $17,010 net after ITC → 13.0-year payback (better sun in Mobile partially offsets lower incentives).

For Alabama Power avoided-cost net metering explained, TVA PSC fee disclosure, Energy Community eligibility county map, rural co-op variability, USDA REAP for Alabama farms, and full Birmingham/Mobile stacking examples, see our Alabama solar incentives guide.

Mississippi

Mississippi has one of the most challenging solar incentive environments in the South: no state income tax credit, no property tax exemption, and no sales tax exemption for residential solar. The state's net metering structure adds further difficulty — Entergy Mississippi and Mississippi Power compensate solar exports at avoided cost (~$0.03–$0.06/kWh) rather than retail rates, and TVA LPCs in northern Mississippi add a $15.64/month Power Service Connection fee. Despite these challenges, the 30% federal ITC, Energy Community 40% ITC bonus in qualifying counties, and a substantial USDA REAP opportunity for the state's large agricultural sector make solar viable in the right circumstances.

Key 2026 incentives:

• 30% federal ITC — the dominant Mississippi incentive; worth $5,040–$9,000 on a typical residential system
• Energy Community 40% ITC bonus — Alcorn, Tishomingo, Monroe, Warren, Jones, and Claiborne counties, plus additional qualifying census tracts; verify at census tract level
• Entergy Mississippi avoided-cost net metering — ~$0.04–$0.06/kWh for exports (not retail $0.12); right-size systems for daytime self-consumption
• TVA territory (northern MS) — Corinth, Booneville, Tupelo area; TVA GPP buyback ~$0.048/kWh + $15.64/month PSC fee; optimize for self-consumption
• No state credit, property exemption, or sales tax exemption — 7% Mississippi sales tax applies to equipment; full property tax increase from added assessed value
• USDA REAP — 25–50% grants for Mississippi farms and rural small businesses; 3–5 year farm paybacks achievable

Jackson 9 kW (Entergy MS, standard 30% ITC): $27,000 gross → ~$18,900 net → **16 year payback** at 60% self-consumption. Alcorn County 8 kW (Energy Community 40% ITC): $24,000 → $14,400 net (after TVA PSC fee adjusted) → **16.8 year payback** — battery storage can improve to 13–14 years.

For Entergy Mississippi avoided-cost NEM details, TVA territory warnings, Mississippi Power territory differences, Energy Community county maps, REAP eligibility, and full Jackson/Biloxi/Corinth stacking examples, see our Mississippi solar incentives guide.

Louisiana

Louisiana offers a mid-tier incentive stack for the Gulf South: a meaningful 50% property tax exemption for 10 years, retail-rate net metering through Entergy Louisiana and CLECO, and the federal 30% ITC (40% in Energy Community parishes in the oil & gas sector). There is no state income tax credit (expired 2015) and no sales tax exemption (9–11% combined rate applies).

Key 2026 incentives:

• 30% federal ITC — worth $6,900–$10,500 on a typical Louisiana system; the primary incentive for most homeowners
• Energy Community 40% ITC — Calcasieu Parish (Lake Charles), St. Mary Parish (Morgan City), Terrebonne Parish (Houma), Plaquemines Parish, Jefferson Davis Parish, and other oil & gas communities; verify at census tract level
• 50% property tax exemption (10 years) — Louisiana RS 47:1706; exempts 50% of the solar-added assessed value for 10 years; file with parish assessor by December 31 of installation year
• Retail-rate net metering — Entergy Louisiana and CLECO offer retail-rate net metering under LPSC rules; annual avoided-cost true-up at year-end (don't oversize); Entergy New Orleans under City Council jurisdiction
• Rural cooperatives vary — ~35% of Louisiana customers on co-ops; co-op net metering varies widely; confirm avoided-cost vs. retail rate before signing
• No state credit, no sales tax exemption — 9–11% combined state+local sales tax on equipment; income tax credit expired 2015; do not believe installer claims of a current state credit
• Hurricane resilience + battery — Battery storage qualifies for 30% ITC (40% in Energy Communities); no state SGIP equivalent; whole-home battery vs. generator tradeoff is important in Louisiana

New Orleans 9 kW (Entergy New Orleans, 30% ITC): $25,500 gross → $17,850 net → **11.2 year payback** at $0.13/kWh. Lake Charles 10 kW (Energy Community 40% ITC): $28,000 → $16,800 net → **11.0 year payback** at $0.11/kWh.

For Entergy Louisiana vs. CLECO vs. rural co-op net metering differences, the critical 50% property tax exemption filing process, Energy Community parish maps, hurricane resilience battery analysis, USDA REAP for Louisiana agriculture, and full New Orleans/Lake Charles stacking examples, see our Louisiana solar incentives guide.

Arkansas

Arkansas is a Mid-South underdog in solar: retail-rate net metering mandated by the Arkansas Public Service Commission (APSC), a full 6.5% sales tax exemption on solar equipment, a 6-year property tax exemption, and the 30% federal ITC (40% in Energy Community counties). There is no state income tax credit, and about 30–35% of customers are served by rural cooperatives with variable net metering policies.

Key 2026 incentives:

• 30% federal ITC — worth $7,560–$9,000 on a typical 8–10 kW Arkansas system; 40% in Energy Community census tracts (Sebastian County/Fort Smith metro, Johnson County, Yell County, Crawford County, and others — verify at census tract level)
• Arkansas sales tax exemption (Ark. Code Ann. § 26-52-449) — full exemption from 6.5% state sales and use tax on solar panels, inverters, and mounting hardware; saves $874–$1,170 on a typical system
• Property tax exemption (Act 827 of 2011, Ark. Code Ann. § 26-26-1105) — 6-year exemption on the added assessed value from solar; saves ~$438–$876 over 6 years at Arkansas's 0.61% average effective property tax rate
• APSC retail-rate net metering — Entergy Arkansas (central/south/east AR) and OG&E (western AR) are mandated to offer retail-rate net metering; monthly credit accumulation, annual avoided-cost true-up (don't oversize — right-size for annual consumption)
• Rural cooperative variability — ~30–35% of Arkansas customers; call your co-op directly to confirm net metering policy and export rate before signing any contract
• No state income tax credit — do not believe installer claims of an Arkansas state solar credit
• USDA REAP — 25–50% grants for agricultural producers; Arkansas's large farming sector (rice, soybeans, cotton, poultry) makes REAP one of the most powerful incentives available in the state

Little Rock stacking example (9 kW, Entergy Arkansas, 30% ITC): $27,000 gross → $17,376 net after ITC + sales/property tax savings → ~11.8 year payback with 4% rate inflation. Fort Smith Energy Community example (9 kW, OG&E, 40% ITC): $25,200 gross → $13,697 net → ~8.1 year payback.

For Entergy Arkansas vs. OG&E territory comparison, Energy Community county eligibility, rural co-op variability warning, USDA REAP for Arkansas farms, and full Little Rock/Fayetteville/Fort Smith stacking examples, see our Arkansas solar incentives guide.

South Central Region: The Solar Giant

Texas

Texas is America's second-largest solar market, powered by abundant sunshine and homeowner-friendly tax exemptions. While Texas has no state income tax (and therefore no state solar income tax credit), it compensates with some of the strongest property and sales tax protections in the country.

Key incentives include:

• 100% property tax exemption for solar-added home value (Texas Tax Code §11.27, worth $10,000–$15,000 lifetime)
• 6.25% state sales tax exemption on solar equipment
• Austin Energy solar rebate ($2,500 flat + VoST export rate for Austin homeowners)
• CPS Energy rebate ($0.10/W up to $1,200 for San Antonio homeowners)
• Federal 30% ITC (the primary dollar-value incentive in Texas)

ERCOT's isolated grid — underscored by the 2021 winter storm — makes battery backup particularly valuable for Texas homeowners, and paired solar+battery systems qualify for the full 30% federal ITC.

For Austin Energy vs. CPS Energy vs. El Paso Electric program comparisons, navigating the deregulated ERCOT market, and a full incentive stacking example, see our Texas solar incentives guide.

Oklahoma

Oklahoma combines OCC-mandated retail-rate net metering for its two largest investor-owned utilities (OG&E and PSO) with a state sales tax exemption on solar equipment and the federal 30% ITC — or 40% in Energy Community counties across eastern Oklahoma's coal belt. There is no Oklahoma state income tax credit for solar, and rural electric cooperative customers (roughly 35% of the state) are NOT covered by the OCC net metering mandate.

Key 2026 incentives:

• 30% federal ITC — primary incentive; worth $5,220–$10,440 on a typical Oklahoma system
• Energy Community 40% ITC — qualifying coal counties: Muskogee, McIntosh, Pittsburg, Coal, Latimer, LeFlore; oil and gas census tracts in portions of OKC and Tulsa metros; saves an extra $2,300–$3,500 vs. the standard rate
• OCC-mandated retail-rate net metering — OG&E and PSO customers: monthly netting at full retail rate (~$0.11–$0.12/kWh for OG&E, $0.10–$0.11/kWh for PSO); annual avoided-cost true-up — size to avoid year-end surplus
• State sales tax exemption — state 4.5% rate exempt on solar equipment; saves $300–$560 on a typical system
• No state income tax credit — no Oklahoma solar credit exists in 2026; ignore installer claims to the contrary
• No blanket property tax exemption — Oklahoma does not have a statewide residential solar property tax exemption (unlike AZ, TX, or CO)
• Rural co-op variability — KAMO, Indian Electric, Lake Region, Northeastern, Cimarron, and 20+ other co-ops are NOT required to offer retail-rate net metering; call your co-op before signing any solar contract
• USDA REAP — 25–50% grants for Oklahoma agricultural producers; western Oklahoma farm paybacks of 3–6 years achievable with REAP + ITC stack

Oklahoma City (9 kW, OG&E, standard 30% ITC): $26,100 gross → ~$17,775 net after ITC + sales tax exemption → **13 year payback** at $0.11/kWh. Muskogee County (Energy Community 40% ITC): $26,100 → ~$15,165 net → **11 year payback** with comparable production. Oklahoma's 5.0–5.5 peak sun hours in the OKC and Tulsa metros are meaningfully better than Midwest neighbors like Minnesota or Wisconsin.

For OG&E vs. PSO net metering comparison, rural co-op evaluation checklist, Energy Community county verification, REAP eligibility for Oklahoma farms, and full OKC/Muskogee stacking examples, see our Oklahoma solar incentives guide.

Southwest Region: Solar Powerhouses

California

California remains the nation's largest solar market, though state incentives have been reduced as costs declined. The California Solar Initiative was phased out, but strong net metering continues under NEM 3.0.

Current landscape:

• NEM 3.0 billing with reduced export rates
• Self-Generation Incentive Program (SGIP) for storage
• Property tax exemption through 2025
• Various municipal and utility programs

For NEM 3.0 export rate strategy, SGIP battery rebates by Equity/Standard tier, DAC-SASH for low-income households, and system design guidance for California's shifting grid economics, see our California solar incentives guide.

Arizona

Arizona offers excellent solar resources but mixed policy environment. Net metering policies vary significantly by utility, making local research essential.

Available incentives:

• Property tax exemption for solar installations
• Some utility rebates (APS, TEP, SRP)
• Net metering varies by utility
• Sales tax exemption on solar equipment

Arizona has three entirely different net metering models depending on your utility — APS net billing, SRP's unique demand-charge structure, and TEP retail net metering. For a full comparison and Phoenix/Tucson cost examples, see our Arizona solar incentives guide.

Nevada

Nevada has rebuilt its solar market with improved net metering and state policies. The state offers good solar resources and moderate incentive support.

Key programs:

• Net metering with monthly rollover credits
• Property and sales tax exemptions
• Solar Rights Act protections
• Some utility rebate programs

Nevada uniquely protects its retail-rate net metering by statute (AB 405 — unlike California's regulatory NEM 3.0). For NV Energy TOU rate structures and Las Vegas/Reno stacking examples (9–10 year payback), see our Nevada solar incentives guide.

New Mexico

New Mexico combines exceptional sun (5.5–6.5 peak sun hours/day in Albuquerque and Las Cruces) with a distinctive incentive stack anchored by a 10% state income tax credit (Solar Market Development Tax Credit — up to $6,000 per system) and a full gross receipts tax (GRT) exemption on solar equipment. Stacked with the federal 30% ITC, New Mexico homeowners can offset 40% of system costs with credits alone — one of the best dual-credit stacks in the Southwest. Retail-rate net metering is legislatively protected for PNM and El Paso Electric customers.

Key 2026 incentives:

• 30% federal ITC (or 40% in Energy Community census tracts — San Juan County coal communities, Permian Basin oil & gas counties in Eddy/Lea/Chaves)
• NM Solar Market Development Tax Credit (SMDTC) — 10% of gross installation cost, maximum $6,000/year per taxpayer; calculated on full cost basis (stacks additively with federal ITC); first-come, first-served annual funding — apply immediately after installation via Form RPD-41317 to NM Taxation and Revenue Department
• Full GRT exemption (NMSA 1978 § 7-9-54.2) — New Mexico's gross receipts tax (5.125%–9.5625%) is fully waived on solar equipment and installation; saves $1,600–$3,000 on a typical residential system
• No property tax exemption — notable gap vs. Arizona, Colorado, and Nevada; however, NM's 0.54% effective rate is among the lowest in the U.S. (~$108/year on $20,000 of added value)
• Retail-rate net metering — PRC-mandated for PNM and El Paso Electric; legislatively protected; annual true-up at avoided cost — don't oversize
• USDA REAP — 25–50% grants for New Mexico farms and rural small businesses; large opportunity given NM's agricultural sector

Albuquerque 9 kW example (PNM): ~$18,900 net after 30% ITC + 10% state credit + GRT exemption → ~8.1-year payback at $0.14/kWh.

For Energy Community ITC bonus eligibility, SMDTC application process, monsoon-season production modeling, and full Albuquerque/Las Cruces stacking examples, see our New Mexico solar incentives guide.

Mountain West Region: High Altitude, High Potential

Colorado

Colorado provides strong state support for solar through rebates and excellent net metering policies. Xcel Energy territory offers particularly good programs.

Benefits include:

• Xcel Energy rebates up to $500 per kW
• Net metering with annual credit rollovers
• Property and sales tax exemptions
• Local utility rebates in some areas

For Xcel Solar*Rewards 10-year REC payment schedules, hail belt panel selection (Class 4 impact rating matters in Colorado), and Denver/Boulder incentive stacking examples, see our Colorado solar incentives guide.

Utah

Utah combines a strong solar resource (Salt Lake City: 5.5–6.2 peak sun hours/day; St. George: 6.0–6.5/day — one of the sunniest cities in the continental U.S.) with a clean dual-credit incentive stack. The 25% state income tax credit stacks directly on the 30% federal ITC, covering 55% of system cost in combined credits, and a full 6.1% sales tax exemption applies to solar equipment. Rocky Mountain Power (RMP), serving ~70% of Utah customers, provides retail-rate net metering at $0.10–$0.12/kWh under UPSC mandate.

Key 2026 incentives:

• 30% federal ITC — worth $5,460–$9,000 on a typical 7–12 kW system
• Utah Renewable Energy Systems Tax Credit (25%) — Utah Code §59-10-1014; 25% of gross system cost, capped at $1,600/year for residential systems; 10-year carry-forward; calculated on full cost basis independent of federal ITC
• Sales tax exemption (6.1%) — Utah Code §59-12-104.9; waives sales tax on solar equipment; saves $600–$900 on a typical residential system
• Rocky Mountain Power net metering — retail rate (~$0.10–$0.12/kWh); monthly netting; annual April true-up at avoided cost (don't oversize beyond annual consumption); municipal utilities (Provo, St. George, Logan) offer similar retail-rate programs
• Energy Community 40% ITC bonus — Carbon County (coal mining), Emery County (retired Huntington/Hunter coal plants), Uintah and Duchesne counties (oil/gas census tracts); verify at census tract level
• No residential property tax exemption — state exemption covers commercial systems; residential solar-added value is taxable, but Utah's 0.57% rate (among the lowest nationally) limits impact to ~$29/year on $5,000 of added value
• USDA REAP — 25–50% grants for Utah farms and rural small businesses; farm paybacks of 4–6 years common

Salt Lake City 10 kW example (Rocky Mountain Power): ~$27,500 gross → $17,040 net after 30% ITC + $1,600 state credit + $610 sales tax exemption → 10-year payback at $0.11/kWh. Carbon County Energy Community example (40% ITC): ~$28,000 gross → $13,500 net after 40% ITC + state credit + tax exemption → 8-year payback with excellent production.

For Rocky Mountain Power net metering mechanics, Energy Community eligibility by county, self-consumption optimization, REAP eligibility, and full Salt Lake City/St. George stacking examples, see our Utah solar incentives guide.

Idaho

Idaho has excellent sun (Boise: 4.8–5.3 peak sun hours/day — among the top 20 sunniest cities in the U.S.) and retail-rate net metering mandated by the Idaho PUC for investor-owned utilities (Idaho Power, Avista). But the state offers no solar income tax credit, no property tax exemption, and no sales tax exemption — and Idaho's low electricity rates ($0.09–$0.11/kWh) mean longer payback periods than most Mountain West neighbors. An important nuance: Idaho Power's annual October/November true-up compensates year-end surplus credits at avoided cost (~$0.024–$0.040/kWh), so oversizing is counterproductive.

Key 2026 incentives:

• 30% federal ITC — the primary incentive; worth $5,250–$9,000 on a typical 7–12 kW system
• Energy Community 40% ITC bonus — qualifying census tracts in Minidoka, Butte, Power, and Elmore counties; verify at energy.gov/IRA before signing
• Idaho Power retail-rate net metering — PUC-mandated for Idaho Power and Avista; monthly netting at retail rate; annual October true-up at avoided cost — size for 95–100% of annual consumption, not beyond
• No state income tax credit, no property tax exemption, no sales tax exemption — 6% Idaho sales tax applies to equipment; 0.69% property tax applies to added home value
• Rural electric cooperatives vary — not subject to PUC net metering mandate; confirm your co-op's export rate before purchasing
• USDA REAP — 25–50% grants for Idaho farms and rural businesses; Gooding County irrigation farm example achieves 4–6 year payback with REAP + ITC stack

Boise 8 kW (Idaho Power, right-sized): $24,000 gross → ~$16,800 net after 30% ITC → 14–16 year payback at $0.105/kWh. Minidoka County 10 kW (Energy Community 40% ITC): ~$30,000 → $18,000 net → **12 year payback**.

For Idaho Power annual true-up mechanics, Avista northern Idaho differences, Energy Community county verification, self-consumption optimization strategies, and full Boise/Coeur d'Alene stacking examples, see our Idaho solar incentives guide.

Montana

Montana's solar incentive package is built around three automatic advantages: no state sales tax (Montana is one of only five states with no sales tax — saves $1,500–$3,000 on every installation), a 10-year property tax exemption under MCA § 15-6-225, and retail-rate net metering through NorthWestern Energy. The state income tax credit ($500 lifetime maximum) is too small to be material. The Energy Community 40% ITC applies to southeastern Montana's coal communities (Rosebud County/Colstrip area, Big Horn, Stillwater, and Custer counties).

Key 2026 incentives:

• 30% federal ITC — standard rate; worth $6,090–$11,310 on a typical Montana system
• Energy Community 40% ITC — Rosebud County (Colstrip coal plant area), Big Horn County, Stillwater County, and portions of Custer/Powder River counties; saves $2,000–$3,800 vs. standard rate; verify with IRS Energy Community lookup tool
• No state sales tax — Montana has zero sales tax; automatically saves $1,500–$3,000 vs. neighboring ID/WY/ND with taxable sales (no application required)
• 10-year property tax exemption — MCA § 15-6-225; 100% of added assessed value exempt for 10 years for systems up to 50 kW; file with county assessor after installation
• NorthWestern Energy retail-rate net metering — serves 340,000 Montana customers; monthly netting at retail rate ($0.09–$0.11/kWh); annual avoided-cost true-up (don't oversize beyond annual consumption)
• State income tax credit — MCA § 15-32-115; up to $500 lifetime maximum; very limited, not material for most systems
• AERLP low-interest loans — Montana DEQ Alternative Energy Revolving Loan Program; 3–5% interest, up to ~$50,000; good for buyers without home equity access
• USDA REAP — 25–50% grants for Montana agricultural/ranching producers; eastern Montana ranch paybacks of 3–6 years achievable with REAP + ITC

Missoula 9 kW (NorthWestern Energy, standard 30% ITC): $26,100 gross → ~$17,770 net after ITC + $500 state credit → **13–15 year payback** at $0.10/kWh. Billings 10 kW (better sun resource, 5.3 peak sun hours): $29,000 → ~$19,800 net → **12.7 year payback**. Rosebud County 9 kW (Energy Community 40% ITC): $26,100 → ~$15,160 net → **11 year payback**.

For NorthWestern Energy net metering mechanics, Flathead Electric and rural co-op variability, Energy Community county verification, property tax exemption filing process, AERLP loan program, REAP for Montana ranchers, and full Missoula/Billings/Colstrip stacking examples, see our Montana solar incentives guide.

Wyoming

Wyoming's solar story is dominated by two competing facts: excellent sun resource (Casper averages 5.5 peak sun hours/day — among the best in the Mountain West, rivaling Phoenix in annual production) paired with low electricity rates (~$0.10–$0.12/kWh from Rocky Mountain Power) that extend payback to 13–16 years for standard buyers. The state has no income tax (so no state solar credit), no property tax exemption for residential solar, and 4% state sales tax with no solar exemption. The federal ITC — especially the 40% Energy Community bonus in Campbell County (Gillette, the coal mining capital of the U.S.) and Sweetwater County — is the primary tool for improving Wyoming solar economics.

Key 2026 incentives:

• 30% federal ITC — the primary Wyoming incentive; no state income tax means no state solar tax credit of any kind
• Energy Community 40% ITC — Campbell County (Gillette/coal mining), Sweetwater County (coal + trona mining), Converse County, and possibly Lincoln County qualifying census tracts; saves $2,900–$4,700 vs. standard 30% rate; verify address at energycommunities.gov
• Rocky Mountain Power (RMP) retail-rate net metering — Wyoming PSC mandates retail-rate net metering for RMP customers; monthly netting; annual October true-up at avoided cost (~$0.03–$0.05/kWh) — do not oversize your system beyond annual consumption
• Cheyenne Light, Fuel & Power (CLFP) — Black Hills Energy subsidiary serving Cheyenne metro; similar retail-rate net metering mechanics
• No state property tax exemption for residential solar systems
• Wyoming 4% sales tax + up to 2% county surcharge — no solar exemption; adds $700–$1,200 on a typical residential system
• USDA REAP — grants up to 50% of project cost for Wyoming ranch/agricultural operations; strong opportunity for Wyoming's large ranching sector; farm paybacks of 4–6 years achievable with REAP + ITC stack

Casper (RMP, 9 kW, 30% ITC): $26,100 gross → ~$18,270 net after ITC → **13 year payback** at $0.115/kWh and 5.5 peak hours. Campbell County/Gillette (Energy Community 40% ITC, 10 kW): $29,000 → ~$17,400 net → **10–11 year payback** — the standout Wyoming opportunity.

For Rocky Mountain Power vs. CLFP territory comparison, annual avoided-cost true-up mechanics, Energy Community county verification, USDA REAP for Wyoming ranches, and full Casper/Cheyenne/Gillette stacking examples, see our Wyoming solar incentives guide.

Midwest Region: Emerging Solar Markets

Illinois

Illinois has rapidly expanded its solar market through the Illinois Shines program, offering significant upfront rebates for residential installations.

Major incentives:

• Illinois Shines rebates: $700-$1,200 per kW
• Net metering with annual reconciliation
• Property tax assessment freeze
• Sales tax exemption on solar equipment

For Illinois Shines Adjustable Block Program REC mechanics, current block prices, lump-sum vs. annual payment trade-offs, and Chicago/Peoria stacking examples, see our Illinois solar incentives guide.

Minnesota

Minnesota's solar market centers on Xcel Energy's Solar*Rewards performance-based incentive — a 10-year per-kWh payment that runs on top of the federal ITC. The state also provides full property and sales tax exemptions, and has one of the strongest community solar garden programs in the Midwest.

Major incentives:

• Xcel Solar*Rewards: $0.020–$0.035/kWh for 10 years on all production
• 30% federal ITC (full cost basis)
• Full property tax exemption (MN Stat. §272.02)
• State sales tax exemption (MN Stat. §297A.67)
• Community Solar Garden program — statewide, strong LMI carve-outs

For Xcel SolarRewards enrollment details, SolarRewards vs. net metering trade-offs, USDA REAP eligibility for rural MN, and full Twin Cities stacking examples (9 kW → ~$14,700 net), see our Minnesota solar incentives guide.

Oregon

Oregon combines the Energy Trust of Oregon's cash incentive (up to $2,500, paid within 60–90 days of commissioning) with Oregon's Residential Energy Tax Credit (30%, capped at $6,000), retail-rate net metering protected by statute, full property tax exemption, and zero sales tax — one of the strongest Pacific Northwest incentive stacks available.

Major incentives:

• Energy Trust of Oregon (ETO) cash incentive: up to $2,500 (PGE/Pacific Power territory)
• Oregon RETC: 30% state tax credit, $6,000 cap
• 30% federal ITC (full cost basis)
• Retail-rate net metering (ORS §757.300, legislatively protected)
• Full property tax exemption (ORS §307.175)
• No state sales tax (0%)

For ETO enrollment steps, EWEB vs. PGE territory differences, income-qualified adder details, and Portland/Eugene stacking examples (9 kW Portland → ~$10,900 net), see our Oregon solar incentives guide.

Michigan

Michigan combines retail-rate net metering protected by state law (Public Act 342) with utility performance-based incentive programs from DTE Energy (Solar Currents) and Consumers Energy (SolarCurrents) — 10-year per-kWh payments on all solar production. Detroit-area buyers in former auto and industrial communities may also qualify for the IRS Energy Community designation, boosting the federal ITC from 30% to 40%.

Key incentives include:

• 30% federal ITC (or 40% in Energy Community census tracts — Detroit, Flint, Saginaw, Pontiac, former auto communities)
• DTE Solar Currents / Consumers SolarCurrents — performance-based payments of $0.025–$0.040/kWh for 10 years on all solar production
• Retail-rate net metering (PA 342) — up to 150 kW residential, monthly netting with annual April true-up
• Property tax exemption (MCL 211.9f) — increased assessed value from solar exempt from property taxes
• No state income tax credit — gap vs. Illinois (Shines) and NY; federal ITC + utility PBIs fill this gap
• No sales tax exemption on solar equipment

For DTE vs. Consumers Energy territory differences, how to check Energy Community eligibility, and full Detroit/Grand Rapids stacking examples (9 kW systems, 9–12 year payback), see our Michigan solar incentives guide.

Ohio

Ohio's strongest solar incentive is often overlooked: a 100% property tax exemption for 15 years (Ohio Revised Code § 5709.53) that can be worth $6,000–$8,000+ in high-tax counties like Cuyahoga and Hamilton. Combined with the federal ITC and growing Energy Community coverage in Appalachian and industrial Ohio, the state is more viable for solar than its reputation suggests — though the weak SREC market, moderate electricity rates, and fewer sun hours in northern Ohio mean payback periods are longer than in the Southeast or Northeast.

Key 2026 incentives:

• 30% federal ITC (or 40% Energy Community rate in Appalachian Ohio — Gallia, Lawrence, Meigs, Athens, Vinton, Hocking, Pike, Scioto, and many northeast Ohio industrial counties)
• 100% property tax exemption, 15 years (ORC § 5709.53) — saves $5,990–$8,225 over 15 years depending on county; requires filing with County Auditor after installation
• Retail-rate net metering — AEP Ohio, Duke Energy Ohio, FirstEnergy (Ohio Edison/Cleveland Electric/Toledo Edison), DP&L all participate under PUCO orders
• Ohio SREC market — technically active but prices very low ($5–$15/MWh); not meaningful for financial projections
• No state income tax credit and no sales tax exemption (notable gaps vs. Illinois, Michigan)

Duke Energy Ohio customers in Cincinnati have the best solar economics in the state — higher rates ($0.14–$0.16/kWh) plus stronger southwest Ohio sun hours (4.4–4.8/day). Appalachian Ohio buyers who qualify for the 40% Energy Community ITC see dramatically improved payback despite lower electricity rates.

For AEP vs. Duke vs. FirstEnergy net metering comparisons, how to claim the ORC § 5709.53 property tax exemption, Energy Community ITC mapping, and full Columbus/Cincinnati stacking examples (8–11 year adjusted payback), see our Ohio solar incentives guide.

Indiana

Indiana is the most challenging solar market in the Midwest — and the one where buyers most need accurate information before signing a contract. The state removed the mandate requiring utilities to offer retail-rate net metering in 2022, charges full 7% sales tax on solar equipment, and provides only a modest property tax deduction (capped at $6,000 of assessed value reduction) rather than a full exemption. There is no state income tax credit.

Despite these gaps, Indiana solar can still make financial sense — particularly in former coal and manufacturing communities that qualify for the 40% Energy Community ITC, and for agricultural producers eligible for USDA REAP grants.

Key 2026 incentives:

• 30% federal ITC (or 40% Energy Community rate in southwestern Indiana coal counties — Pike, Gibson, Warrick, Posey, Vigo — and former auto manufacturing communities in Lake, Delaware, Madison, Howard counties)
• Property tax deduction (IC 6-1.1-12-26.1) — reduces assessed value by up to $6,000; modest value (~$51/year at median 0.85% rate)
• No sales tax exemption — 7% Indiana sales tax applies to equipment
• Net metering — no mandate: utilities set their own export rates after 2022 law change; AES Indiana and Duke Energy Indiana currently credit exported solar at ~$0.03–$0.06/kWh vs. retail $0.14–$0.16/kWh — system sizing must account for this

The critical action for Indiana buyers: get the exact distributed generation export tariff in writing from your specific utility before signing any solar contract. See our Indiana solar incentives guide for utility-by-utility export rate breakdown, battery storage as a solution to the export problem, and full Indianapolis/Energy Community stacking examples.

Wisconsin

Wisconsin's incentive stack is one of the most complete in the Midwest despite lower sun hours than the Sun Belt. The state combines full property tax exemption, full sales tax exemption, retail-rate net metering, and cash rebates through the Focus on Energy program — producing payback periods of 7–10 years in Milwaukee and Madison despite 3.8–4.2 peak sun hours per day.

Wisconsin's relatively high utility rates — We Energies charges $0.175–$0.185/kWh, among the highest in the region — make each self-generated solar kilowatt-hour more valuable and offset the disadvantage of fewer sun hours vs. southern states.

Key 2026 incentives:

• 30% federal ITC (or 40% Energy Community rate in qualifying Superior/Douglas County, Fox River Valley, and Racine/Kenosha census tracts)
• Focus on Energy cash rebate — statewide rebate program funded by utilities; approximately $500–$800 for a standard residential system; income-qualified households may receive up to $1,500–$2,500
• Full property tax exemption (Wis. Stat. § 70.111(18)) — solar value excluded from assessment; worth $7,000–$11,000 over 25 years at Wisconsin's 1.61% average property tax rate (highest in Midwest)
• Full sales tax exemption (Wis. Stat. § 77.54(57m)) — covers panels, inverter, racking; saves $990–$1,100 on a typical installation
• Retail-rate net metering — PSC rules, systems up to 100 kW, monthly netting with April true-up; We Energies, MGE, Alliant Energy, and NSPCO/Xcel all participate

Milwaukee example: 9 kW system, $27,000 gross → $18,250 net after ITC + Focus on Energy rebate → 7.0-year payback including property tax savings.

For Focus on Energy trade ally requirements, utility-specific net metering terms, Energy Community mapping, and full Milwaukee/Madison stacking examples, see our Wisconsin solar incentives guide.

Missouri

Missouri occupies the middle of the Midwest solar spectrum — better sun than Wisconsin or Minnesota (4.7–5.1 peak sun hours, particularly strong in the southwest), but lacking a state income tax credit or sales tax exemption. The critical 2021 development: SB 564 protects retail-rate net metering statewide for investor-owned utilities, meaning Ameren Missouri and Evergy customers receive full retail credit (~$0.115–$0.130/kWh) for exported solar power.

Key 2026 incentives:

• 30% federal ITC — the primary Missouri incentive
• 40% Energy Community ITC — available in former coal communities including New Madrid County, former manufacturing communities in Buchanan County (St. Joseph), and mining communities in St. Francois County (Farmington) and other southeast Missouri counties
• Retail-rate net metering (SB 564) — Ameren MO and Evergy credit exported power at retail rate ($0.115–$0.130/kWh); annual true-up zeroes excess credits at avoided cost ($0.03/kWh), so system sizing to annual consumption (not oversizing) is important
• Property tax exemption (§ 137.100 RSMo) — solar-added assessed value excluded from property taxes; saves approximately $2,900–$4,900 over 20 years at Missouri's 0.97% average property tax rate
• No state income tax credit — notable gap vs. IL (Shines REC) and neighboring Midwest incentive structures
• No statewide sales tax exemption — 4.225% state sales tax + local/metro taxes (effective 7–10% in major cities) apply to equipment
• Rural co-op territory: export rates vary; many Missouri rural electric cooperatives offer avoided-cost compensation rather than retail net metering — verify with your specific co-op before purchasing
• USDA REAP — grants up to 50% of project cost for Missouri agricultural producers and rural small businesses

Kansas City example (Evergy): 10 kW system, ~$28,500 gross → $17,950 net after ITC + property tax exemption → ~12.0-year payback at $0.122/kWh. St. Louis example (Ameren MO): 9 kW system → ~$16,470 net → ~12.5-year payback.

For Ameren MO vs. Evergy vs. rural co-op net metering comparison, the critical annual true-up mechanics that affect system sizing decisions, Energy Community ITC county mapping, and full Kansas City/St. Louis stacking examples, see our Missouri solar incentives guide.

Iowa

Iowa is one of America's great wind energy states, with over 60% of electricity from wind turbines — but residential solar is growing steadily. Iowa's below-average electricity rates ($0.12–$0.13/kWh) mean payback periods run longer than most states (12–16 years for a standard system), but the 30% federal ITC, IUB-mandated retail-rate net metering, and a 5-year property tax exemption provide a real financial foundation.

Key 2026 incentives:

• 30% federal ITC — the primary Iowa incentive; no state income tax credit (expired 2012)
• 40% Energy Community ITC — available in qualifying counties including Black Hawk (Waterloo/Cedar Falls), Linn (Cedar Rapids), Muscatine, and others with industrial legacy designations — check energycommunities.gov
• Property tax exemption (Iowa Code §427B.26) — 5-year exemption on the value added by solar; worth ~$1,000–$1,500 in savings over the exemption period
• Retail-rate net metering — IUB-mandated for MidAmerican Energy and Alliant Energy (IPL); rural electric cooperatives set their own policies, some offer only avoided-cost compensation
• No state sales tax exemption — Iowa's 6% sales tax applies to residential solar equipment (unlike neighboring IL, MN, and WI)
• USDA REAP — grants up to 50% of project cost for Iowa agricultural producers; Iowa is consistently among the top REAP recipient states nationally

Iowa's standout opportunity: farm operators using REAP + Energy Community ITC can achieve payback periods of 3–5 years on commercial agricultural solar installations. Residential buyers in qualifying Energy Community counties also see improved 10–12 year paybacks vs. the standard 14–16 year range.

Des Moines example (MidAmerican, 9 kW, standard ITC): ~$18,300 net after ITC and property tax exemption NPV → ~14.5-year payback at $0.125/kWh. Waterloo example (Black Hawk County Energy Community, 40% ITC): ~$15,700 net → ~12.3-year payback.

For IUB net metering rules, MidAmerican vs. Alliant vs. rural co-op comparison, Energy Community county mapping, REAP application guidance, and full stacking examples, see our Iowa solar incentives guide.

Nebraska

Nebraska's solar market is growing steadily despite historically low electricity rates ($0.11–$0.13/kWh). The state offers a meaningful incentive stack: a 6-year property tax exemption, a full 5.5% sales tax exemption, and retail-rate net metering through all three major utilities (OPPD, NPPD, and LES). Nebraska's excellent sun resource in the western part of the state (Scottsbluff averages 5.3–5.6 peak sun hours/day) and strong USDA REAP opportunity for the state's large agricultural sector give rural buyers paths to 7–9 year paybacks.

Key 2026 incentives:

• 30% federal ITC — the primary incentive; Nebraska has no state income tax credit
• 40% Energy Community ITC — available in qualifying census tracts including parts of Nuckolls, Sheridan, Colfax, Cuming, and Scotts Bluff counties near former fossil fuel sites
• Property tax exemption (Neb. Rev. Stat. § 77-202.12) — 6-year exemption on solar-added assessed value; saves $2,200–$2,900 in Omaha/Lincoln metro areas at Nebraska's 1.63–2.1% property tax rates
• Sales tax exemption (§ 77-2704.14) — Nebraska's 5.5% sales tax waived on solar equipment; saves $940–$1,570 at purchase depending on system size
• Retail-rate net metering — OPPD, NPPD, and LES all offer retail-rate net metering with annual true-up (excess at avoided cost at year-end); rural electric co-ops vary — confirm before purchasing
• USDA REAP — grants up to 50% of project cost for Nebraska agricultural producers and rural small businesses; farm operators stacking REAP + 30% ITC can achieve 7–9 year paybacks despite lower rates

Omaha/OPPD example (8 kW): ~$12,300 net after ITC, sales tax exemption, and property tax NPV → ~11.7-year payback at $0.115/kWh. Energy Community county example (10 kW, 40% ITC): ~$12,700 net → ~10.5-year payback. Farm REAP example: 3–5 year payback.

For OPPD vs. NPPD vs. LES vs. rural co-op net metering comparison, Energy Community county mapping, REAP application guidance, and full Omaha/Lincoln/Energy Community stacking examples, see our Nebraska solar incentives guide.

Kansas

Kansas is one of the sunniest states in the Midwest — Wichita averages 5.3 peak sun hours per day, outperforming much of the Southwest — but the state has notable incentive gaps that buyers need to plan around. There is no state income tax credit, no property tax exemption, and no sales tax exemption for residential solar in Kansas. The incentive stack relies primarily on the federal ITC and Evergy retail-rate net metering.

Key 2026 incentives:

• 30% federal ITC — the primary incentive; no state-level credit to stack on top
• 40% Energy Community ITC — available in Cherokee County (coal mining), Crawford County (mining/manufacturing), Montgomery County (former fossil fuel), and qualifying census tracts in Wyandotte County (Kansas City, KS)
• Retail-rate net metering — KCC mandates retail-rate net metering for Evergy (Wichita, Topeka, Kansas City metro) and Liberty Utilities (southeast KS); rural electric co-ops are NOT covered by the mandate and policies vary significantly — confirm directly with your co-op
• Annual true-up at avoided cost — like Nebraska and Iowa, year-end excess credits are compensated at ~$0.04–$0.06/kWh rather than retail; don't oversize your system beyond annual consumption
• USDA REAP — grants up to 50% of project cost for Kansas agricultural producers and rural small businesses; Kansas's large agricultural sector makes this one of the strongest pathways to fast payback in the state

Wichita/Evergy example (9 kW, 30% ITC): ~$18,900 net → ~12.1-year payback at $0.13/kWh rates. Cherokee County Energy Community example (8 kW, 40% ITC): ~$14,400 net → ~11.1-year payback. Farm REAP example (30 kW, REAP 40% + ITC 30%): ~$31,500 net → ~5.3-year payback.

For Evergy vs. Liberty Utilities vs. rural co-op net metering comparison, Energy Community county mapping, USDA REAP application guidance, incentive gap analysis vs. neighboring states, and full stacking examples, see our Kansas solar incentives guide.

North Dakota

North Dakota is an emerging solar market anchored by a 5-year property tax exemption, the federal ITC (including the 40% Energy Community bonus in former coal plant counties), and retail-rate net metering mandated by the North Dakota PSC for Xcel Energy and Montana-Dakota Utilities (MDU). The challenge is honest: very low electricity rates (~$0.10–$0.13/kWh) stretch standard residential payback to 12–16 years. But the state's largest opportunity isn't residential rooftop — it's farm solar via USDA REAP, where North Dakota's agricultural sector consistently produces paybacks of 3–4 years with REAP + ITC stacking.

Key 2026 incentives:

• 30% federal ITC — the primary incentive; no state income tax credit (ND's credit expired)
• Energy Community 40% ITC — Oliver County (Stanton/Coal Creek Station coal plant), McLean County (Falkirk coal mine), Mercer County (Antelope Valley Station), and Billings County qualify; saves $2,600–$4,300 vs. standard 30% on a typical system; verify at energycommunities.gov
• Property tax exemption (NDCC § 57-02-09.1) — solar energy equipment exempt from property taxation for 5 years after installation; saves approximately $720–$900 depending on county; apply with your county assessor
• Retail-rate net metering — NDPSC-mandated for Xcel Energy (Northern States Power) and Montana-Dakota Utilities; monthly netting at retail; annual avoided-cost true-up (~$0.04–$0.06/kWh for year-end excess) — do not oversize beyond annual consumption
• Rural co-op caution — Basin Electric Power Cooperative and Minnkota Power (serving many rural ND homes through member co-ops) are NOT subject to NDPSC net metering mandate; rural cooperative members should confirm export rate before purchasing
• No state income tax credit — ND's credit expired; no state rebate programs
• No sales tax exemption — North Dakota's 5% sales tax applies to solar equipment; adds $1,000–$1,500 to a typical system
• USDA REAP — grants up to 50% for agricultural producers; ND is a top recipient state; farm paybacks of 3–4 years achievable with REAP + ITC

Bismarck (MDU, 9 kW, 30% ITC): $26,100 gross → ~$18,270 net after ITC + property tax exemption NPV → **12–13 year payback** at $0.12/kWh. Oliver County Energy Community (10 kW, 40% ITC): $29,000 → ~$17,400 net → **10–11 year payback**. Farm REAP (15 kW, 50% grant + 30% ITC): effective net $15,225 → **3.5–4 year payback**.

For Xcel vs. MDU vs. rural co-op comparison, NDPSC net metering mechanics, Energy Community county mapping, USDA REAP for North Dakota farms, and full Bismarck/Fargo/Oliver County stacking examples, see our North Dakota solar incentives guide.

South Dakota

South Dakota's solar story mirrors North Dakota's in some respects — low electricity rates, no state income tax (so no state credit), and an economy driven by agriculture — but Rapid City's 5.5 peak sun hours per day is a standout advantage that dramatically improves western South Dakota economics. The state offers a 3-year property tax exemption, SDPUC-mandated retail-rate net metering from Black Hills Power and Xcel Energy, and excellent USDA REAP opportunity for the state's large ranching and farming sector.

Key 2026 incentives:

• 30% federal ITC — the primary incentive; South Dakota has no state income tax and therefore no state solar tax credit
• Energy Community 40% ITC — potential in Butte County (Belle Fourche coal/mining history), Lawrence County (Lead-Deadwood mining), Fall River County, and other qualifying census tracts; verify at energycommunities.gov
• Property tax exemption (SDCL § 10-6-35.24) — solar energy systems exempt from property assessment for 3 years after installation; apply with your county assessor; worth approximately $600–$900 in savings
• Retail-rate net metering — SDPUC-mandated for Black Hills Power (western SD) and Xcel Energy (northeastern SD); monthly netting at retail; annual avoided-cost true-up for year-end excess; rural electric cooperatives set their own policies — confirm before purchasing
• Rapid City's solar advantage — Black Hills Power territory averages 5.5 peak sun hours/day, one of the best resources in the Great Plains; significantly outperforms Sioux Falls (4.8/day) and meaningfully cuts payback periods in western SD
• No state income tax credit, no state rebate — SD has no statewide solar program beyond the property tax exemption
• No sales tax exemption — South Dakota's 4.2% sales tax applies; adds $700–$1,000 on a typical system
• USDA REAP — grants up to 50% for agricultural producers; SD's large beef cattle, corn, and soybean operations benefit significantly; farm paybacks of 3–5 years achievable

Rapid City (Black Hills Power, 9 kW, 30% ITC): $26,100 gross → ~$18,270 net after ITC + property tax exemption → **11.3-year payback** at $0.12/kWh and 5.5 peak hours. Sioux Falls (Xcel NSP, 8 kW): ~$14–15 year payback at lower sun resource. Lawrence County/Lead Energy Community (10 kW, 40% ITC): improved ~11–12 year payback.

For Black Hills Power vs. Xcel vs. rural co-op comparison, SDPUC net metering mechanics, Energy Community county mapping, USDA REAP for South Dakota farms, and full Rapid City/Sioux Falls stacking examples, see our South Dakota solar incentives guide.

Pacific & Island States

Hawaii

Hawaii has the most expensive electricity in the United States — residential rates average $0.40–$0.46/kWh on Oahu, reaching $0.47–$0.55/kWh on the Big Island and Maui. This creates outstanding solar economics: stack a 35% state income tax credit (HRS § 235-12.5, capped at $5,000 per system for residential) on the 30% federal ITC, and nearly half the system cost is covered by credits before any utility savings begin. Hawaii also has outstanding sun resources at 5.5–6.5 peak sun hours per day on most islands.

Key 2026 incentives:

• Hawaii state income tax credit — 35% of installed cost, capped at $5,000 per residential system; calculated on the full gross cost before applying the federal ITC; unused credit carries forward indefinitely
• 30% federal ITC — stacks independently on the same gross cost basis (both credits apply to the same full system price)
• Combined effective rate — up to 65% of system cost covered for systems under $14,300; approximately 47–52% for larger systems (due to the $5,000 state cap)
• Smart Export tariff (HECO/MECO/HELCO) — ~$0.14–$0.20/kWh for exported solar (vs. retail $0.40–$0.46/kWh); traditional net metering no longer available for new customers — battery storage is effectively required to maximize economics
• County property tax exemptions — all four Hawaii counties (Honolulu, Maui, Hawaii, Kauai) exempt solar systems from property tax assessment; Big Island's $9.10/1,000 rate makes this especially valuable
• No traditional sales tax — Hawaii has a General Excise Tax (GET) rather than a sales tax; GET is typically passed through by contractors (4–4.5%) but the amount paid is included in the ITC basis

The battery storage imperative: Because Hawaii's Smart Export rate ($0.14–$0.20/kWh) is only 35–45% of the retail rate ($0.40–$0.46/kWh), self-consumed solar is worth 2–3× more than exported solar. A 13.5 kWh Tesla Powerwall 3 (or equivalent) paired with a 9–11 kW array captures 85–90% of production for self-consumption — dramatically improving economics vs. solar alone.

Honolulu/HECO example (9 kW solar + Powerwall 3): ~$22,300 net after federal ITC + state credit → ~6.3-year payback at 90% self-sufficiency. Big Island/HELCO example (11 kW + 2× Powerwall): ~$33,500 net → ~5.7-year payback. 25-year savings: $88,000–$140,000 depending on island and system size.

For HECO Smart Export tariff mechanics, KIUC Self-Supply program on Kauai, island-by-island system sizing strategy, property tax exemption by county, and full Honolulu/Kona/Maui stacking examples, see our Hawaii solar incentives guide.

Alaska

Alaska is unlike every other U.S. state for solar: there is no statewide interconnected electrical grid, no state income tax (so no state solar credit), and energy markets that vary from $0.22/kWh in Anchorage to $0.40–$2.00+/kWh in remote diesel-powered villages. This creates two entirely different solar economics stories — utility-connected buyers in the Railbelt (Anchorage-Fairbanks corridor) who see reasonable 7–9 year paybacks, and rural Alaskans replacing diesel power who see the best solar ROI anywhere in the country.

Railbelt and Utility-Connected Solar:

• 30% federal ITC — applies to all Alaska solar systems; the primary incentive statewide
• Energy Community 40% ITC — Kenai Peninsula Borough (oil/gas transition), North Slope Borough, Fairbanks North Star Borough (coal/oil transition), and qualifying census tracts; verify at energycommunities.gov
• Chugach Electric Association (Anchorage/Mat-Su co-op) — retail-rate net metering for members ≤ 25 kW; monthly billing; ~$0.22–$0.25/kWh rates drive meaningful savings
• Golden Valley Electric Association (GVEA) (Fairbanks) — net metering with unique summer/winter dynamics; Fairbanks receives 20+ hours of daylight May–August (excellent summer production) but very low winter sun (limited December generation)
• Matanuska Electric Association (MEA) and Homer Electric Association (HEA) — Kenai Peninsula; similar retail-rate net metering programs
• No statewide net metering mandate — Alaska's 200+ separate utility systems each set their own rules; Southeast Alaska (Juneau, Ketchikan, Sitka) utilities have different policies often driven by their extensive hydropower resources and low hydro-based rates
• Alaska Housing Finance Corporation (AHFC) Home Energy Rebate — energy efficiency rebate program; solar installations that improve the home energy rating contribute to rebates of up to $10,000; not a direct solar rebate but a meaningful pathway for holistic energy upgrades

Rural Alaska — The Highest-ROI Solar Opportunity:

• Remote Alaska communities typically pay $0.40–$2.00+/kWh for diesel-generated electricity (vs. $0.22–$0.25/kWh in Anchorage)
• Solar + battery storage replacing diesel creates payback periods of 3–5 years in remote communities — dramatically better than the 7–16 years typical in the Lower 48
• Alaska Energy Authority (AEA) Renewable Energy Fund (REF) — community-scale grants (typically for villages or utilities, not individual homeowners, but useful for community solar projects)
• USDA REAP — grants up to 50% for Alaskan agricultural and fishing operations; applies to commercial-scale rural Alaska installations
• Power Cost Equalization (PCE) program — state subsidy for rural diesel communities; PCE lowers residents' effective rates but doesn't eliminate solar's long-run advantage

Anchorage/Chugach (8 kW, 30% ITC): $23,200 gross → ~$16,240 net → **7.2-year payback** at $0.23/kWh. Rural Alaska diesel replacement (20 kW + battery): at $0.80/kWh diesel equivalent, payback of 3–4 years — far better than any other U.S. state.

For Railbelt utility comparison, Fairbanks summer-winter solar production analysis, rural Alaska off-grid sizing, PCE program interaction with solar, AHFC Home Energy Rebate pathway, and full Anchorage/Fairbanks stacking examples, see our Alaska solar incentives guide.

Complete State-Specific Incentive Guides

For homeowners in the most active solar markets, we've published comprehensive deep-dive guides with current program data, enrollment walkthroughs, and full incentive stacking examples:

• California Solar Incentives 2026 — NEM 3.0 strategy, SGIP battery rebates, DAC-SASH
• Texas Solar Incentives 2026 — Property tax exemption, Austin Energy and CPS rebates, ERCOT navigation
• Florida Solar Incentives 2026 — Sales/property tax exemptions, utility-by-utility net metering rules
• New York Solar Incentives 2026 — NY-Sun rebates, unique 25% state credit, VDER tariff, NYC programs
• New Jersey Solar Incentives 2026 — SREC II 15-year income stream, PSE&G/JCP&L/ACE rules
• Arizona Solar Incentives 2026 — APS net billing vs. SRP demand charges vs. TEP net metering
• Illinois Solar Incentives 2026 — Illinois Shines REC contracts, ComEd vs. Ameren territory differences
• Colorado Solar Incentives 2026 — Xcel Solar*Rewards, altitude production bonus, hail belt panel selection
• Massachusetts Solar Incentives 2026 — SMART PBI (among most generous in U.S.), 15% state credit, Cape Light Compact
• Nevada Solar Incentives 2026 — AB 405 net metering protections, NV Energy TOU optimization
• Washington State Solar Incentives 2026 — Sales tax exemption, PSE/Seattle City Light/Avista net metering, statutory NEM protection
• Minnesota Solar Incentives 2026 — Xcel Solar*Rewards PBI, property/sales tax exemptions, community solar garden program
• Oregon Solar Incentives 2026 — Energy Trust of Oregon cash incentive, RETC state credit, zero sales tax, ETO income-qualified adder
• Georgia Solar Incentives 2026 — No state tax credit (clarifying misleading sales pitches), property tax exemption, Georgia Power net metering (retail ≤10 kW)
• Michigan Solar Incentives 2026 — DTE Solar Currents / Consumers Energy SolarCurrents PBI programs, Energy Community 40% ITC bonus, PA 342 net metering
• South Carolina Solar Incentives 2026 — 25% state tax credit (highest in Southeast, up to $3,500/year), Dominion Energy/Duke/Santee Cooper net metering
• North Carolina Solar Incentives 2026 — #3 U.S. solar market, 80% property tax exclusion, HB 589 net metering protection, Duke/Dominion territory comparison
• Virginia Solar Incentives 2026 — VCEA-protected net metering, 100% property tax exclusion, Energy Community 40% ITC in coal counties
• Maryland Solar Incentives 2026 — Active SREC market ($60–$90/MWh, ~$14,600 over 15 years), full property/sales tax exemptions, BGE/Pepco/Delmarva net metering
• Pennsylvania Solar Incentives 2026 — AEC/SREC market ($25–$50/MWh), Energy Community 40% ITC in western PA coal counties, PECO/PPL/FirstEnergy net metering, no statewide property tax exemption
• Ohio Solar Incentives 2026 — 100% property tax exemption 15 years (ORC § 5709.53), Energy Community 40% ITC in Appalachian Ohio, AEP/Duke/FirstEnergy net metering
• Indiana Solar Incentives 2026 — No net metering mandate (critical warning), property tax deduction, Energy Community 40% ITC in coal and manufacturing counties, USDA REAP for agricultural producers
• Wisconsin Solar Incentives 2026 — Focus on Energy cash rebate, full property tax exemption (1.61% state avg rate), full sales tax exemption, retail net metering (100 kW), 7–10 year payback in Milwaukee/Madison
• Tennessee Solar Incentives 2026 — TVA Green Power Providers buyback (~$0.05/kWh), $15.64/month Power Service Connection fee explained, Energy Community 40% ITC in eastern TN coal counties, self-consumption optimization strategy
• Kentucky Solar Incentives 2026 — LG&E/KU/Duke retail net metering vs. TVA GPP buyback structure in eastern KY, Energy Community 40% ITC in coal counties, property tax exemption, no state credit or sales tax exemption
• Missouri Solar Incentives 2026 — SB 564 retail net metering (Ameren MO and Evergy), annual true-up mechanics affecting system sizing, Energy Community 40% ITC, property tax exemption, USDA REAP for agricultural producers
• Iowa Solar Incentives 2026 — IUB-mandated retail-rate net metering (MidAmerican Energy and Alliant/IPL), 5-year property tax exemption, Energy Community 40% ITC in qualifying counties, USDA REAP for agricultural operations (Iowa is a top REAP recipient state)
• Connecticut Solar Incentives 2026 — RSIP performance-based incentive ($0.20–$0.26/kWh for 6 years), full property and sales tax exemptions, retail-rate net metering, 3–5 year payback in Hartford/New Haven/Bridgeport
• Rhode Island Solar Incentives 2026 — Renewable Energy Fund (REF) upfront rebate ($0.20–$0.65/W), full property tax exemption, 7% sales tax exemption, retail-rate net metering, 5.5–8 year payback in Providence/Warwick/Newport
• Nebraska Solar Incentives 2026 — OPPD/NPPD/LES retail-rate net metering, 6-year property tax exemption, 5.5% sales tax exemption, Energy Community 40% ITC, USDA REAP for agricultural producers
• Kansas Solar Incentives 2026 — Evergy retail-rate net metering (KCC mandate for IOUs; co-ops vary), no state credit/property/sales tax exemption (notable gaps vs. neighbors), Energy Community 40% ITC in Cherokee/Crawford/Montgomery counties, USDA REAP for agricultural producers
• Delaware Solar Incentives 2026 — DNREC Green Energy Program rebate ($0.25–$0.50/W), no state sales tax (0% — saves $1,200–$2,200 vs. PA), 9-year property tax exemption, SREC market via PJM-GATS, retail-rate net metering (Delmarva Power and DEC), 10–14 year payback
• New Hampshire Solar Incentives 2026 — No state sales tax (saves $1,500–$3,000 vs. neighbors), NHPUC-mandated retail-rate net metering, municipality-level property tax exemption (RSA 72:61), Eversource rates $0.26–$0.28/kWh drive fast payback despite northern latitude
• Vermont Solar Incentives 2026 — Full property tax exemption (32 V.S.A. § 3845), retail-rate net metering (all utilities, 150 kW cap), Efficiency Vermont cash rebates ($400–$1,500+), GMP Powerwall lease program ($15/month), high GMP rates ($0.21–$0.25/kWh) produce 10–14 year payback; no state credit or sales tax exemption
• New Mexico Solar Incentives 2026 — 10% state income tax credit (SMDTC, max $6,000), full GRT exemption (~$2,500 savings), 30% federal ITC (40% in San Juan County/Energy Communities), exceptional sun resource (6.0–6.5 peak sun hours in Albuquerque/Las Cruces), retail-rate net metering (PNM, EPE), ~8-year payback in Albuquerque
• Hawaii Solar Incentives 2026 — 35% state income tax credit (stacks with 30% federal ITC), highest U.S. electricity rates ($0.40–$0.46/kWh), battery storage essential (Smart Export tariff only $0.14–$0.20/kWh), 5.7–8 year payback on solar+battery in Honolulu/Big Island/Maui
• Utah Solar Incentives 2026 — 25% state tax credit ($1,600 cap, 10-year carry-forward), 6.1% sales tax exemption, Rocky Mountain Power retail-rate net metering, Energy Community 40% ITC in Carbon/Emery counties, 10-year SLC payback
• Alabama Solar Incentives 2026 — No state credit/property/sales tax exemption (honest assessment), Alabama Power avoided-cost net metering (~$0.06/kWh, not retail), TVA PSC fee in northern AL, Energy Community 40% ITC in Jefferson/Walker/Etowah counties, USDA REAP for farms
• Mississippi Solar Incentives 2026 — No state credit, property, or sales tax exemption; Entergy Mississippi/Mississippi Power avoided-cost export rates (~$0.04–$0.06/kWh); TVA territory $15.64/month PSC fee; Energy Community 40% ITC in Alcorn/Tishomingo/Monroe/Warren counties; USDA REAP for farms; 14–18 year payback range
• Louisiana Solar Incentives 2026 — 50% property tax exemption for 10 years; Entergy Louisiana/CLECO retail-rate net metering (annual avoided-cost true-up); no state income tax credit (expired 2015); no sales tax exemption; Energy Community 40% ITC in Calcasieu/St. Mary/Terrebonne/Plaquemines parishes; USDA REAP for agriculture; 10–14 year payback
• Idaho Solar Incentives 2026 — No state credit, property, or sales tax exemption; Idaho Power PUC-mandated retail-rate net metering with annual avoided-cost true-up (right-size for self-consumption); Avista in northern ID; Energy Community 40% ITC in Minidoka/Butte/Power counties; USDA REAP for farms; 14–16 year payback in Boise
• Arkansas Solar Incentives 2026 — APSC retail-rate net metering (Entergy AR and OG&E); 6.5% sales tax exemption; 6-year property tax exemption; Energy Community 40% ITC in Sebastian/Fort Smith and other qualifying counties; no state income tax credit; co-op variability warning; USDA REAP for farms; 8–15 year payback depending on ITC rate and utility
• West Virginia Solar Incentives 2026 — Energy Community 40% ITC applies to most WV counties (coal/industrial history); AEP/Appalachian Power and Mon Power retail-rate net metering; no state credit, sales tax exemption, or blanket property tax exemption; USDA REAP for agricultural producers; 8–15 year payback with Energy Community ITC transforming otherwise marginal economics
• Oklahoma Solar Incentives 2026 — OCC-mandated retail-rate net metering (OG&E and PSO only; rural co-ops not covered); state sales tax exemption (4.5% state rate); no state income tax credit; no blanket property tax exemption; Energy Community 40% ITC in Muskogee/Pittsburg/Coal/Latimer/LeFlore counties; USDA REAP for farms; 10–14 year payback (9–11 years in Energy Community counties)
• Montana Solar Incentives 2026 — No state sales tax (saves $1,500–$3,000 automatically); 10-year property tax exemption (MCA 15-6-225); NorthWestern Energy retail-rate net metering (annual avoided-cost true-up); Energy Community 40% ITC in Rosebud/Big Horn/Stillwater counties (Colstrip coal area); USDA REAP for ranchers; $500 lifetime state credit (very limited); 11–16 year payback (10–12 years in Energy Community counties)
• Wyoming Solar Incentives 2026 — Rocky Mountain Power retail-rate net metering (annual October true-up); no state income tax credit; no property tax exemption; 4% WY sales tax (no exemption); Energy Community 40% ITC in Campbell/Gillette (coal), Sweetwater, Converse counties; excellent sun (Casper 5.5 peak hours); USDA REAP for ranches; 10–13 year payback (11+ years standard, 10–11 years Energy Community)
• North Dakota Solar Incentives 2026 — 5-year property tax exemption (NDCC § 57-02-09.1); Xcel/MDU NDPSC-mandated retail-rate net metering (annual avoided-cost true-up; rural co-ops not covered); no state income tax credit (expired); no sales tax exemption; Energy Community 40% ITC in Oliver/McLean/Mercer counties (coal plants); USDA REAP for ND farms (3–4 year farm payback); 12–16 year standard residential payback
• South Dakota Solar Incentives 2026 — 3-year property tax exemption (SDCL § 10-6-35.24); Black Hills Power and Xcel NSP retail-rate net metering (rural co-ops vary); no state income tax credit; Rapid City 5.5 peak sun hours/day (standout Plains resource); Energy Community 40% ITC in Lawrence/Butte/Fall River counties (mining communities); USDA REAP for farms; 11–15 year payback (faster in Rapid City and Energy Community counties)
• Maine Solar Incentives 2026 — Efficiency Maine Trust $450/kW cash rebate ($800/kW income-qualified); 100% property tax exemption (36 M.R.S. § 656(1)(J), 20 years); full 5.5% sales tax exemption; CMP/Versant retail-rate Net Energy Billing; CMP rates $0.22–$0.28/kWh drive 4–6 year payback in Portland/Augusta; community solar for renters; Energy Community 40% ITC in Millinocket and Aroostook County mill towns
• Alaska Solar Incentives 2026 — No statewide grid (200+ isolated systems); Chugach/GVEA/MEA/HEA retail-rate net metering in Railbelt; no state income tax (no state credit); 30% federal ITC (40% in Kenai/Fairbanks/North Slope Energy Communities); Anchorage $0.23/kWh rates → 7-year payback; rural Alaska diesel replacement ($0.40–$2.00+/kWh) → 3–4 year payback (best ROI in the country); AHFC Home Energy Rebate pathway; USDA REAP for fishing/agricultural operations

Making the Most of Solar Incentives in 2026

To maximize your solar savings, consider these strategies:

1. Research Local Utilities: Incentives can vary dramatically even within states
2. Time Your Installation: Some rebates have annual caps that reset each year
3. Consider System Size: Larger systems may qualify for better per-watt incentives
4. Evaluate Financing Options: Some incentives work better with cash purchases vs. loans
5. Plan for Tax Credits: Ensure you have sufficient tax liability to claim credits

Finding the Best Solar Panel Prices

While incentives significantly impact your total solar investment, equipment costs remain crucial. Use SolarPriceList.com to compare current solar panel prices from multiple manufacturers and find the best deals in your area. Our platform helps you evaluate different panel technologies, warranties, and pricing options to make informed decisions.

Regional Trends and Future Outlook

Solar incentive landscapes continue evolving across all regions. Key trends for 2026 include:

• Shift Toward Performance-Based Incentives: More states moving away from upfront rebates
• Storage Integration: Growing incentives for battery storage paired with solar
• Community Solar Growth: Expanded virtual net metering and shared solar options
• Equity Focus: Increased incentives for low-to-moderate income households

Conclusion

Solar incentives vary dramatically by region, but opportunities exist nationwide for significant savings. The combination of federal tax credits and state/local incentives can reduce solar installation costs by 40-60% in many areas.

Before making your solar investment decision, thoroughly research all available incentives in your specific location. State programs can change annually, and utility incentives often have caps or waiting lists. Working with qualified solar installers familiar with local incentive programs ensures you capture all available benefits.

Remember that while incentives are important, they're just one factor in your solar decision. Consider your local solar resources, electricity rates, net metering policies, and long-term energy goals when evaluating solar for your home.

Start your solar journey by comparing current panel prices and getting quotes from certified installers in your area. With proper planning and understanding of available incentives, 2026 could be the perfect year to go solar.