Arkansas Solar Incentives 2026: Complete Guide to Entergy Net Metering & Tax Breaks

Arkansas is one of the South's most underrated solar markets. While neighboring Tennessee and Mississippi have notoriously weak solar economics, Arkansas stands apart with retail-rate net metering protected by the Arkansas Public Service Commission, a full state sales tax exemption on solar equipment, and a 6-year property tax exemption that puts money back in your pocket every year. Layer in the 30% federal Investment Tax Credit — and an expanded 40% rate for buyers in Energy Community counties — and Arkansas homeowners can achieve payback periods in the 11–15 year range despite the state's relatively modest electricity rates.

This guide covers every Arkansas solar incentive available in 2026, utility-by-utility net metering rules, county-level Energy Community eligibility, and real stacking examples for Little Rock, Fayetteville, and Fort Smith.

The Arkansas Solar Incentive Stack

Before diving into each program, here's the full stack available to an Arkansas homeowner in 2026:

Incentive	Value	Applies To
Federal Investment Tax Credit (ITC)	30% of system cost	All Arkansas buyers
Energy Community ITC Bonus	+10% (total 40%)	Qualifying coal/industrial counties
Arkansas Sales Tax Exemption	6.5% savings on equipment	Statewide
Arkansas Property Tax Exemption	Up to 6 years	Statewide
Net Metering (Entergy AR, OG&E)	Retail rate (~$0.10–$0.12/kWh)	IOU customers
USDA REAP Grant	25–50% of project cost	Agricultural producers, rural businesses

Federal Solar Tax Credit (ITC): 30–40% Off Your System Cost

The 30% federal Investment Tax Credit (ITC) under Internal Revenue Code Section 48(a) applies to the full installed cost of a residential or commercial solar system — panels, inverter, racking, wiring, and installation labor. There is no dollar cap for residential systems under the current IRA-extended credit (available through at least 2032 at 30%).

How it works: If your 9 kW system in Little Rock costs $27,000 installed, you receive a $8,100 federal income tax credit — a dollar-for-dollar reduction in your federal tax bill. If you don't owe that much in a single year, the credit carries forward to future tax years.

Important: This is a tax credit, not a rebate. You need federal income tax liability to use it. Consult a tax professional to confirm your eligibility. Renters and those who lease solar panels do not qualify for the ITC (the lessor claims it instead).

Arkansas Energy Community Bonus (+10%)

The Inflation Reduction Act created a 10% Energy Community Adder for systems installed in designated "Energy Communities" — census tracts that have experienced coal plant closures, brownfield contamination, or significant fossil fuel employment. This brings the effective ITC rate to 40% for eligible buyers.

Arkansas counties with significant Energy Community eligibility in 2026 include:

• Sebastian County (Fort Smith area) — former industrial manufacturing, qualifying tracts
• Crawford County (Van Buren area) — adjacent qualifying tracts
• Johnson County — coal and industrial history
• Yell County — qualifying fossil fuel employment history
• Various rural counties — check IRS/DOE census tract lookup tool for your specific address

The Energy Community designation is census-tract specific — your county may qualify even if it isn't listed above, or specific tracts within a listed county may qualify while others do not. Verify your address at the DOE Energy Community lookup tool before designing your system.

Fort Smith Energy Community Example: A 9 kW system at $27,000 gross cost qualifies for $10,800 in federal ITC (40%), bringing the net cost to $16,200 before state incentives. This is $2,700 more than the standard 30% ITC saves — a meaningful difference.

Arkansas Sales Tax Exemption: Save 6.5% Upfront

Arkansas exempts solar energy equipment from the state sales and use tax under Ark. Code Ann. § 26-52-449. This exemption applies to:

• Solar photovoltaic panels
• Inverters
• Mounting hardware and racking
• Wiring and electrical components directly associated with the solar system
• Battery storage systems installed with a solar array

At Arkansas's 6.5% state sales tax rate (plus applicable county and city rates, which vary from 0% to ~3%), the exemption saves real money:

System Size	Equipment Cost (est.)	State Tax Saved (6.5%)
6 kW	~$10,800	~$702
8 kW	~$14,400	~$936
10 kW	~$18,000	~$1,170
12 kW	~$21,600	~$1,404

Note: The exemption covers state sales tax. Local option taxes vary by jurisdiction and may or may not be exempt. Confirm with your installer whether local taxes apply in your specific city or county.

Arkansas Property Tax Exemption: 6-Year Relief

Under Arkansas Act 827 of 2011 (Ark. Code Ann. § 26-26-1105), solar energy systems installed on residential and commercial properties receive a property tax exemption on the added value the solar system contributes to the home. This exemption lasts for 6 years from the date the system is placed in service.

What this means: When you add solar panels, your home's assessed value typically increases. Under normal circumstances, that increase would mean higher property taxes. The Arkansas solar exemption zeroes out that added-value tax for 6 years.

Estimated savings (based on typical county assessment practices and average effective property tax rate of ~0.61% in Arkansas):

System Size	Estimated Added Value	Annual Tax Savings	6-Year Total
6 kW	~$12,000	~$73	~$438
8 kW	~$16,000	~$98	~$588
10 kW	~$20,000	~$122	~$732
12 kW	~$24,000	~$146	~$876

Arkansas's property tax rate is one of the lowest in the South (median effective rate ~0.61%), so the absolute dollar savings are modest compared to high-tax states like Illinois or New Jersey. But it's a real benefit that reduces your net system cost over the first 6 years.

Filing: The exemption is not automatic in all counties. Contact your county assessor's office to confirm the filing process. Some counties apply the exemption automatically upon permit; others require a Form or affidavit from the homeowner or installer.

Net Metering in Arkansas: Retail Rate Under APSC Mandate

Net metering is the backbone of solar economics in Arkansas, and the state's rules are favorable. The Arkansas Public Service Commission (APSC) mandates retail-rate net metering for customers of investor-owned utilities (IOUs) under Rule 4.40.

Entergy Arkansas

Entergy Arkansas serves the majority of the state, including Little Rock, North Little Rock, Jonesboro, Pine Bluff, El Dorado, and Hot Springs. Under APSC Rule 4.40:

• Credit rate: Retail rate (~$0.10–$0.12/kWh depending on rate class)
• System size limit: Net metering available for systems up to 300 kW (residential systems are far smaller — typically 6–12 kW)
• Monthly netting: Excess generation credits accumulate month-to-month
• Annual true-up: At the end of each billing year, unused credits are compensated at the avoided cost rate (approximately $0.03–$0.05/kWh) — significantly less than retail
• Interconnection: Entergy Arkansas requires an interconnection agreement and may require a utility-grade disconnect or smart inverter depending on system size

Critical sizing implication: Because annual surplus is compensated at avoided cost rather than retail, you should size your system to offset your usage — not maximize export. A system that generates 10% more than your annual consumption will lose significant value at year-end true-up. Work with your installer to model your annual kWh consumption and match system output accordingly.

OG&E (Oklahoma Gas and Electric) in Western Arkansas

OG&E serves parts of western Arkansas (Fort Smith, Van Buren, Russellville, and surroundings). OG&E's Arkansas service territory follows similar APSC-mandated net metering rules:

• Retail-rate monthly credits
• Annual true-up at avoided cost for surplus
• System size limits under APSC rules

If you're in OG&E territory in Arkansas, the same right-sizing principles apply: match your system output to your consumption to avoid losing value at annual true-up.

Rural Electric Cooperatives (Co-ops)

Approximately 30–35% of Arkansas electricity customers are served by rural electric cooperatives — including organizations like Carroll Electric, Woodruff Electric, Rich Mountain Electric, Petit Jean Electric, and others. Cooperatives in Arkansas are not subject to APSC Rule 4.40 net metering mandates.

Co-op net metering policies vary widely:

• Some co-ops offer retail-rate net metering voluntarily
• Others offer avoided-cost export only (~$0.03–$0.05/kWh)
• A few have adopted buy-all/sell-all tariffs
• Some co-ops have capacity caps or temporary moratoriums on new solar interconnections

Action required: Before signing a solar contract, call your cooperative directly and ask: (1) Do you offer net metering for residential solar? (2) What rate do you credit for excess generation? (3) Is there a waitlist or capacity limit? Do not rely on an installer's answer to these questions — call the co-op yourself.

No Arkansas State Income Tax Credit

Despite what some solar installers may imply, Arkansas does not have a state income tax credit for residential solar installations. Arkansas eliminated its renewable energy tax credit programs in 2013. There is no state-level "solar tax credit" that stacks with the federal ITC in Arkansas.

If an installer or solar salesperson mentions a "state solar tax credit" for Arkansas in 2026, ask them to point you to the specific Arkansas statute. This is a common misrepresentation in solar sales.

The legitimate state-level incentives in Arkansas in 2026 are:

1. Sales tax exemption (described above)
2. Property tax exemption (described above)
3. APSC retail-rate net metering (described above)

USDA REAP: 25–50% Grants for Arkansas Farms and Rural Businesses

The USDA Rural Energy for America Program (REAP) is one of the most powerful solar incentives available in Arkansas — and it's specifically available to agricultural producers and rural small businesses. REAP provides:

• Grants: 25–50% of eligible project costs (farm/agricultural use)
• Loan guarantees: Up to 75% of project costs (for projects not covered by grant portion)
• Maximum grant: $1,000,000 per project
• Application cycles: Multiple annual cycles; check USDA.gov for deadlines

Arkansas's large agricultural sector — row crop farming (corn, soybeans, rice, cotton), poultry and livestock operations, and timber — makes REAP particularly valuable here. A poultry farm in Washington County (NW Arkansas) with an 80 kW commercial solar installation might receive a $28,000–$56,000 REAP grant before the federal ITC — dramatically shortening payback to 3–6 years.

Eligible applicants include:

• Farmers and agricultural producers with at least 50% of gross income from agricultural operations
• Rural small businesses located in areas with populations under 50,000
• Agricultural cooperatives

To apply for REAP, contact your local USDA Rural Development office. Arkansas has offices in Little Rock, Batesville, Conway, Jonesboro, Pine Bluff, and Russellville.

Full Incentive Stacking: Three Arkansas Examples

Example 1: Little Rock (Entergy Arkansas Territory) — Standard 30% ITC

• Location: Little Rock, Pulaski County (standard ITC; not an Energy Community)
• System size: 9 kW (30 panels × 300W)
• Gross installed cost: $27,000 ($3.00/W installed — slightly above national median due to less competitive market)
• Annual production: ~11,700 kWh (4.5 peak sun hours/day × efficiency factor)
• Annual electricity offset: ~$1,170 at $0.10/kWh Entergy Arkansas residential rate

Incentive stack:

Incentive	Amount
Federal ITC (30%)	−$8,100
Arkansas sales tax exemption (saved at purchase)	−$936
Arkansas property tax exemption (6-year NPV)	−$588
Net cost	$17,376

Payback period: $17,376 ÷ $1,170/year = 14.9 years (at flat electricity rates) With 4% annual rate inflation: ~11.8 years 25-year savings: ~$13,700 above net cost

Example 2: Fayetteville, NW Arkansas (Entergy Arkansas) — High-Growth Market

Northwest Arkansas (Fayetteville, Springdale, Rogers, Bentonville) is the state's fastest-growing region and has a more competitive solar market with lower installed costs due to higher installer density.

• System size: 9 kW
• Gross installed cost: $25,200 ($2.80/W — competitive NWA market)
• Annual production: ~11,700 kWh (same sun resource as Little Rock, 4.5 hours)
• Annual electricity offset: ~$1,170 at $0.10/kWh (Entergy Arkansas)

Incentive stack:

Incentive	Amount
Federal ITC (30%)	−$7,560
Sales tax exemption	−$874
Property tax exemption (6-year NPV)	−$549
Net cost	$16,217

Payback period (flat rates): ~13.8 years Payback period (4% rate inflation): ~11.1 years

Example 3: Fort Smith, Sebastian County — Energy Community 40% ITC

Fort Smith is in Sebastian County, which includes Energy Community census tracts based on historical industrial employment. Buyers in qualifying tracts receive the 40% ITC rate.

• System size: 9 kW
• Gross installed cost: $25,200
• Annual production: ~12,600 kWh (Fort Smith has slightly more sun than NWA — 4.8 peak sun hours/day)
• Annual electricity offset: ~$1,386 at ~$0.11/kWh (OG&E rate)

Incentive stack:

Incentive	Amount
Federal ITC (40% — Energy Community)	−$10,080
Sales tax exemption	−$874
Property tax exemption (6-year NPV)	−$549
Net cost	$13,697

Payback period (flat rates): ~9.9 years Payback period (4% rate inflation): ~8.1 years

The Energy Community bonus is transformative for Fort Smith buyers — reducing net cost by $2,520 vs. the standard ITC and shortening payback by 3–4 years.

Arkansas vs. Neighboring States: How It Compares

State	Net Metering	State Credit	Sales Tax Exempt	Property Tax Exempt	Avg. Payback
Arkansas	Retail (IOU)	None	Yes (6.5%)	6 years	11–15 years
Louisiana	Retail (Entergy/CLECO)	None	No	50% / 10 years	11–12 years
Mississippi	Avoided cost	None	No	No	14–18 years
Tennessee	Buyback ~$0.048/kWh	None	No	No	14–18 years
Oklahoma	Retail (OG&E/PSO)	None	Yes (full)	None	12–15 years
Missouri	Retail (SB 564)	None	No	No	12–15 years

Arkansas compares favorably in the Mid-South region: retail-rate net metering (better than MS/TN), a sales tax exemption (shared with OK, missing in LA/TN/MS), and a property tax exemption (better than OK/TN/MS). The main disadvantage vs. Louisiana is the length of the property tax exemption (6 years vs. Louisiana's 50% for 10 years).

Utility-by-Utility Net Metering Summary

Utility	Territory	NEM Type	Export Rate	Annual True-Up
Entergy Arkansas	Central/south/east AR	APSC-mandated retail	~$0.10–$0.12/kWh	Avoided cost
OG&E	Western AR (Fort Smith metro)	APSC-mandated retail	~$0.11–$0.13/kWh	Avoided cost
Rural co-ops	30–35% of state	Varies by co-op	$0.03–$0.12/kWh	Varies

How to Go Solar in Arkansas: Step-by-Step

1. Verify your utility: Confirm whether you're served by Entergy Arkansas, OG&E, or a rural cooperative
2. Check Energy Community status: Use the DOE census tract lookup to confirm whether your address qualifies for the 40% ITC
3. Get 2–3 installer quotes: The Arkansas solar market is growing but less competitive than CA/TX/FL — getting multiple quotes is more important here
4. Verify net metering terms with your utility: Ask your utility for their current net metering interconnection agreement and true-up policy in writing
5. Apply for interconnection: Your installer typically handles this, but confirm it's submitted before installation begins
6. File for property tax exemption: After installation, contact your county assessor to confirm the 6-year exemption is applied to your account
7. Claim the ITC: File IRS Form 5695 with your federal tax return for the year the system was placed in service
8. REAP applications: If you're an agricultural producer, contact USDA Rural Development before signing any solar contract — grant cycles have deadlines that may require early application

Common Questions About Arkansas Solar

Does Arkansas have a net metering mandate? Yes. The Arkansas Public Service Commission (APSC) Rule 4.40 mandates retail-rate net metering for customers of investor-owned utilities (Entergy Arkansas and OG&E). Rural electric cooperatives are not subject to this mandate and their policies vary.

Is there a state solar rebate in Arkansas? No. Arkansas does not have a state-administered solar rebate program. The sales and property tax exemptions are indirect incentives, not rebates.

Can I go solar with a co-op utility? Yes, but carefully. Call your co-op first to confirm their net metering policy, rate, and any interconnection limits before signing a contract. Policies vary significantly.

How much does solar cost in Arkansas in 2026? Installed solar systems in Arkansas typically cost $2.75–$3.25/W installed (gross, before incentives) for a standard grid-tied residential system. This is slightly above the national median due to the less mature installer market. Obtain multiple quotes to benchmark competitively.

Is battery storage worth it in Arkansas? Battery storage can make sense in Arkansas for backup-power purposes (storm resilience), though the economics are primarily driven by outage protection value rather than TOU optimization (Entergy Arkansas's standard residential rates are not heavily time-differentiated). With the 30% ITC applicable to battery storage, the cost is partially offset. See our home battery storage costs guide for full analysis.

The Bottom Line: Is Solar Worth It in Arkansas?

Arkansas isn't a solar hotspot on the scale of Arizona or California, but the economics are more favorable than neighboring Mississippi or Tennessee thanks to retail-rate net metering, the sales tax exemption, and the property tax exemption. The Energy Community ITC bonus in Sebastian County (Fort Smith) and other qualifying areas can reduce net cost by $2,500–$4,000 and shorten payback by 3–4 years.

For agricultural producers in rural Arkansas, REAP grants can make solar one of the best capital investments on the farm — a 3–6 year payback with 25+ years of continued savings.

Best case for Arkansas solar: Fort Smith/Sebastian County Energy Community buyer using OG&E's retail NEM, sized precisely to annual consumption → 8–10 year payback.

Typical case: Little Rock or Fayetteville Entergy Arkansas customer, standard 30% ITC → 11–15 year payback.

Worst case: Rural co-op customer whose co-op offers only avoided-cost export → 18–25+ year payback. Verify first.

Want to estimate your specific system size and cost? Use our free Solar System Designer to get a complete bill of materials and cost estimate in minutes. For a deeper look at the math, see our solar payback period calculator and solar vs. grid electricity cost comparison.

For neighboring state guides, see Louisiana solar incentives, Mississippi solar incentives, Tennessee solar incentives, Missouri solar incentives, and Oklahoma solar incentives. Also see our complete state-by-state solar incentives guide for all 50 states.