Solar in Alabama costs about $3.44 per watt, so the typical 9.16 kW system runs about $31,510 before incentives. That is the highest price per watt of 51, and with no net metering, no leases and a back-up charge on Alabama Power, only homes that use most of their own power come out ahead.
Find out which rules cover your Alabama meter
Alabama Power and the TVA distributors pay for solar in different ways. Your ZIP code tells us which utility serves you before anyone quotes a price.
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Three things stack against Alabama solar buyers
Alabama has excellent sun and the hardest residential solar math in the South. Each of these three facts changes the numbers on your quote.
A typical system costs thousands more than the same hardware in Georgia or Texas.
Alabama Power Rate PAE buys exports at avoided-cost rates (47th revision, effective with April 2026 bills). Rider RGB adds a back-up capacity charge tied to system size. Exports earn about a fifth to a third of the retail rate that self-use avoids, and the fixed charge erodes savings every month.
Rate PAE tariffResidential PPAs are not allowed here. The lease route that carries the remaining federal 48E credit in other states is closed.
DSIRE PPA mapTo see how Alabama pricing stacks up against every other state, browse our national cost of solar overview.
Alabama Power or a TVA distributor: check this first
One split matters before any other number. The rules above are Alabama Power’s rules, and not every Alabama home is on them.
Alabama Power
Rate PAE sets what exports earn, and Rider RGB adds the back-up charge. Every figure on this page is built on these rules.
TVA distributors
Much of north Alabama, including Huntsville’s municipal utility and many co-ops, buys power through TVA. Each distributor sets its own solar program, and some can beat Alabama Power’s.
TVA-served? Get it in writingAsk your distributor for its current solar program in writing before you apply any number on this page.
Alabama system prices, with the yearly back-up charge
Alabama homes are heavy users: 1,143 kWh a month on average, against $187 bills. The typical 9.16 kW size is modeled from neighboring states, because too few Alabama installs exist to measure a local median. Here is each size at the $3.44 per watt benchmark, with the one line no other state carries: what Rider RGB adds each year.
Gross cost at $3.44 per watt, before incentives. Rider RGB is Alabama Power’s back-up capacity charge; confirm current terms with Alabama Power.
A kilowatt-hour used at home is worth three to five sent to Alabama Power
A 9.16 kW array makes about 12,622 kWh a year in Alabama sun. Power you use on the spot offsets the retail rate. Power you send to the grid earns a nickel or less. Every design decision follows from that gap.
Size to what you use in daylightEvery kWh you export instead of using earns a fraction of its retail value. High self-use is what makes an Alabama system pay.
What sets payback in Alabama
How long the typical 9.16 kW system takes to pay for itself depends on three things: how much of its power you use at home as it is made, the low price Alabama Power pays for exports (3.45¢ to 5.47¢ per kWh under Rate PAE), and the Rider RGB back-up charge of about $595 a year, billed whether the panels produce or not. On Alabama Power our per-utility figure is about 30.5 years, simple payback before incentives, and that is Alabama’s state figure. It counts the Rider RGB and meter charges, but no upkeep and no price rises. Power used at home saves the full price; exported power earns a fraction of it. Alabama Power territory is among the longest-payback solar markets in the country, and rising rates (3.91% a year over five years) close the gap only slowly.
Our Alabama worth-it guide shows that math step by step, with a Huntsville Utilities case. Rerun it with the rate on your own bill.
Four Alabama households for whom solar still clears
The math works when most of the power stays in the house, or when savings are not the main reason to buy.
- The all-day home with big daytime load. Home offices, pool pumps, daytime cooling on smart schedules. Homes that push self-use high keep most production at full retail value.
- Battery-first buyers. Storage turns would-be nickel exports into full-retail offset, which matters more here than nearly anywhere. It must still justify its own cost, but Alabama is its natural habitat.
- TVA-distributor customers with good local programs. North Alabama’s terms differ by distributor and can beat Alabama Power’s. Verify locally.
- Backup-power buyers. If outage protection is the main purchase and savings come second, the math above is context, not verdict.
Walk away from an Alabama quote if any of these fit
In Alabama, a proposal that skips the local rules is not a proposal. It is a screenplay.
- Your home is empty on weekdays. No load shifting and no battery budget means most power gets exported at a nickel or less.
- You are counting on tax credits. The federal residential credit is $0 for host-owned systems whose installation is completed after December 31, 2025, and the PPA path around it is prohibited here.
- The installer projects savings without naming Rate PAE. A real Alabama proposal names Rate PAE, the Rider RGB back-up charge and your actual utility.
See if your usage clears the Alabama math
Whether your address falls under Rate PAE or a TVA distributor changes everything on this page. Enter your ZIP code and we will start from the rules that actually govern your meter.
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More Alabama solar reading
Frequently asked questions
How much do solar panels cost in Alabama in 2026?
About $3.44 per watt installed, the highest of 51 in the EcoGen Solar Cost Index (September 2026 Edition). The typical system, modeled from neighboring states, is about 9.16 kW and $31,510 before incentives.
Does Alabama have net metering?
No. Alabama Power buys exported solar at avoided-cost rates of roughly 3.45¢ to 5.47¢ per kWh under Rate PAE and applies a back-up capacity charge to solar homes. Power you use as it is produced still offsets the full retail rate, which is why self-consumption decides Alabama’s math. Credit left at year end stays on your account, or Alabama Power pays it by check when you ask or leave the rate.
Is solar worth it in Alabama?
For most Alabama Power households buying purely on savings, the payback is very long, among the longest in the country: about 30.5 years on Alabama Power, simple payback before incentives. Exports earn 3.45¢ to 5.47¢ per kWh and the Rider RGB charge adds about $595 a year. Our Alabama worth-it guide works through the numbers. It can still make sense for high daytime users, battery-first buyers, backup-focused buyers, and TVA-served homes with favorable local programs.
Can I lease solar panels in Alabama?
No. Third-party residential PPAs are prohibited in Alabama, which also closes the main route to the remaining federal 48E credit. Host ownership at full sticker is the only path, so the underlying math has to work on its own.
Are the rules different in north Alabama?
Often, yes. Huntsville Utilities and many co-ops buy power through TVA, and each TVA distributor sets its own solar terms, separate from Alabama Power’s Rate PAE. Get your distributor’s current program in writing before modeling anything.
How we calculate these costs
Cost figures use Alabama’s entry in the EcoGen Solar Cost Index (September 2026 Edition): $3.44 per watt, prices as of September 25, 2026. The typical 9.16 kW size is modeled from neighboring states. Payback is our per-utility figure for Alabama Power, about 30.5 years before incentives. It depends on home use, Rate PAE export credits and the Rider RGB back-up charge, and the Alabama worth-it guide shows the math with those included. Confirm current Rider RGB terms with Alabama Power before relying on any projection.
Sources (7)
- Alabama Public Service Commission, Alabama Power Rate PAE Tariff, Docket 18005 (approved March 4, 2025; effective with April 2025 billings): energyalabama.org
- Alabama Power Company, Rider RGB Tariff Sheet (effective April 2022): alabamapower.com
- U.S. EIA, Electric Power Monthly, residential price by state, 12-month average August 2025 to July 2026: eia.gov
- U.S. EIA, Form EIA-861 Annual Electric Power Industry Report, 2024: eia.gov
- U.S. Census Bureau, American Community Survey, 2024: census.gov
- IRS, One, Big, Beautiful Bill Provisions (Public Law 119-21): irs.gov
- DSIRE, Third-Party Solar PV Power Purchase Agreement Policies, May 2026: ncsolarcen-prod.s3.amazonaws.com
