Alabama Solar in 2026: The Honest Picture

Alabama’s solar market has grown steadily, with over 85,000 residential installations to date according to the Solar Energy Industries Association. However, 2026 marks a significant shift: the federal Residential Clean Energy Credit (Section 25D) expired on December 31, 2025, eliminating the 30% tax credit that powered most residential solar purchases for the past decade.

For Alabama homeowners, this means the economics of going solar have changed. The good news is that Alabama offers a strong property tax exemption for solar equipment, and several utilities, particularly the Tennessee Valley Authority (TVA), provide generation-based incentives that can offset some of the lost federal benefit. The bad news is that without the federal credit, payback periods have lengthened, and the decision to go solar now depends more heavily on your utility rates, local incentives, and long-term energy cost expectations.

This guide walks you through current costs, realistic savings scenarios, available incentives, and how to find a qualified installer in Alabama.

Average Solar System Cost in Alabama (2026)

A typical 6-kilowatt (kW) residential solar system in Alabama costs around $26,500 before incentives. This breaks down roughly as follows:

  • Equipment (panels, inverter, racking, wiring): $12,000-$14,000
  • Labor and installation: $8,000-$10,000
  • Permitting, inspection, and interconnection: $2,000-$3,000
  • Monitoring and warranty: $500-$1,000

Prices vary by installer, system size, and roof complexity. According to EnergySage benchmarks for Alabama, homeowners should expect to pay between $3.80 and $4.50 per watt after accounting for regional labor costs and supply chain factors.

If you qualify for a third-party lease under Section 48E (construction must begin before July 4, 2026), you may avoid the upfront cost entirely, though you will forfeit 25-year ownership and savings. Most homeowners in Alabama are now purchasing systems outright or financing them through solar loans, which typically carry 5-7 year terms at 6-9% interest.

Real Alabama Homeowner Savings (Sample Scenarios)

Savings depend on your utility, local rates, system size, and sun exposure. Here are five realistic examples:

Birmingham (Alabama Power Company)

  • System size: 6 kW
  • Annual production: 7,800 kWh
  • Current electricity rate: $0.135/kWh
  • Annual savings: $1,053
  • 25-year savings: $26,325
  • Payback period: 10.5 years

Montgomery (Alabama Power Company)

  • System size: 6 kW
  • Annual production: 7,920 kWh
  • Current electricity rate: $0.138/kWh
  • Annual savings: $1,093
  • 25-year savings: $27,325
  • Payback period: 10.2 years

Huntsville (TVA service area with Green Power Providers)

  • System size: 6 kW
  • Annual production: 7,560 kWh
  • Base rate: $0.118/kWh + $0.12/kWh incentive (10 years)
  • Annual savings (first 10 years): $1,814
  • Annual savings (years 11-25): $892
  • 25-year savings: $30,450
  • Payback period: 8.8 years

Mobile (Alabama Power Company)

  • System size: 6 kW
  • Annual production: 8,100 kWh
  • Current electricity rate: $0.132/kWh
  • Annual savings: $1,069
  • 25-year savings: $26,725
  • Payback period: 10.3 years

Dothan (Alabama Power Company)

  • System size: 6 kW
  • Annual production: 8,040 kWh
  • Current electricity rate: $0.135/kWh
  • Annual savings: $1,085
  • 25-year savings: $27,125
  • Payback period: 10.1 years

These scenarios assume no additional incentives beyond the property tax exemption and utility-specific programs. Actual savings will vary based on roof orientation, shading, system degradation, and future electricity rate increases.

Alabama Solar Incentives Still Available in 2026

Federal Investment Tax Credit (Section 48E, Third-Party Lease Only)

The Residential Clean Energy Credit under Section 25D has expired. However, homeowners can still access a 30% federal tax credit if they enter into a third-party-owned solar lease or power purchase agreement (PPA). The catch: the solar installation company must own the system, and construction must begin before July 4, 2026. After that date, no federal benefit is available for residential solar.

For details, see the IRS Section 25D guidance.

Alabama Property Tax Exemption

Alabama law exempts solar energy equipment from property tax assessment. This means your home’s assessed value will not increase when you install solar panels, even though the panels add real value to your property. This exemption is permanent and applies to all residential solar installations statewide. Over 25 years, this exemption can save a homeowner $3,000-$5,000 in avoided property taxes, depending on your county’s tax rate and system size.

TVA Green Power Providers Program

If you live in the Tennessee Valley Authority service area (which covers parts of northern Alabama, including Huntsville and surrounding counties), you may qualify for the Green Power Providers program. This program credits excess solar generation at $0.12 per kilowatt-hour for the first 10 years, then at the standard avoided-cost rate thereafter. For a 6 kW system in a TVA area, this can add $800-$1,200 in annual savings during the incentive period.

Alabama Power Company Solar Rebates

Alabama Power (which serves most of central and southern Alabama) offers rebates for residential solar installations, though the amount and structure vary by service territory. Contact your local Alabama Power office or visit their website to determine current rebate eligibility. Rebates typically range from $500-$2,000 depending on system size and location.

Duke Energy Alabama Programs

Duke Energy Alabama serves portions of northern and central Alabama. Check with Duke Energy directly for any solar incentives or rebate programs currently available in your service area.

For a comprehensive list of all available incentives, visit the DSIRE database, which tracks state and utility-level solar programs in real time.

Is Solar Worth It in Alabama Without the Federal Credit?

Without the federal tax credit, the decision to go solar in Alabama hinges on three factors: your electricity rate, your utility’s incentive programs, and your long-term outlook on energy costs.

For TVA customers, solar is most attractive. The Green Power Providers incentive effectively reduces your payback period to 8-9 years, and after 10 years, you still benefit from free electricity. Even without the federal credit, a TVA customer with a 6 kW system can expect $30,000+ in 25-year savings.

For Alabama Power customers, payback periods stretch to 10-11 years. This is still reasonable, well within the 25-year lifespan of the equipment, but it requires confidence that electricity rates will continue rising and that you plan to stay in your home for at least a decade.

For customers in other service areas (Duke Energy, cooperatives), payback periods may be 11-13 years, depending on local rates. Solar is still viable, but the financial case is weaker without federal support.

The property tax exemption helps all Alabama homeowners, but it is not enough to offset the loss of the federal credit. If you were counting on the 30% federal tax credit, you should either (1) lock in a third-party lease before July 4, 2026, or (2) recalibrate your expectations and accept a longer payback period.

For current solar resource data in your area, consult the NREL solar resource maps.

Top Cities for Solar in Alabama

  • Huntsville: TVA service area with Green Power Providers incentive; high solar irradiance (4.9 kWh/m2/day); strong local installer base.
  • Montgomery: Capital city with good solar potential (4.85 kWh/m2/day); Alabama Power service; moderate electricity rates.
  • Mobile: Southern Alabama location with highest state solar irradiance (5.0 kWh/m2/day); Alabama Power service; growing installer availability.
  • Dothan: Southeast Alabama with excellent solar resources (4.95 kWh/m2/day); Alabama Power service; lower population density means less installer competition but feasible.
  • Birmingham: Largest metro area with most installer options; moderate solar irradiance (4.75 kWh/m2/day); Alabama Power service; competitive pricing due to market density.
  • Tuscaloosa: West-central Alabama with good solar potential (4.8 kWh/m2/day); Alabama Power service; university town with growing renewable energy interest.

What to Look for in an Alabama Solar Installer

  1. License and Insurance: Verify the installer holds an active Alabama electrical contractor license and carries general liability and workers’ compensation insurance. Check the Alabama Licensing Commission database.

  2. Certification and Training: Look for installers certified by the North American Board of Certified Energy Practitioners (NABCEP) or equivalent. This ensures technical competence and adherence to industry standards.

  3. Local Experience: Choose an installer with at least 5+ years of experience in Alabama and a portfolio of completed residential projects. They should understand local utility interconnection rules and permitting processes.

  4. Transparent Pricing: Obtain written quotes from at least three installers. The quote should itemize equipment, labor, permitting, and any applicable rebates or incentives. Avoid vague pricing or pressure tactics.

  5. Warranty Coverage: Confirm the installer offers a minimum 10-year workmanship warranty and that equipment carries manufacturer warranties (typically 25 years for panels, 10-12 years for inverters). Understand what is and is not covered.

  6. References and Reviews: Ask for at least three customer references and check online reviews on Google, Yelp, and the Better Business Bureau. Look for patterns in feedback, not isolated complaints.

  7. Post-Installation Support: Verify the installer provides monitoring setup, ongoing maintenance guidance, and responsive customer service. Solar systems require minimal maintenance, but you should know who to call if issues arise.

Get Free Quotes From Vetted Alabama Installers

The solar market in Alabama is competitive, and prices vary significantly by installer and location. To find the best deal, request free quotes from multiple installers in your area. Most reputable installers offer free site assessments and no-obligation quotes.

When comparing quotes, look beyond price. Consider the installer’s warranty, financing options, timeline, and customer service reputation. A slightly higher quote from a well-established, certified installer often delivers better long-term value than a rock-bottom price from an unknown company.

Use the EnergySage solar cost benchmarks for Alabama to verify that quotes you receive are in line with regional averages. If a quote is significantly lower or higher than the benchmark, ask why.

The window for third-party leases with federal tax credits closes July 4, 2026. If you are interested in a lease, act quickly. For outright purchases or loans, there is no deadline, but electricity rates will likely continue rising, making solar more attractive over time.


Sources for 2026 data: IRS Section 25D guidance, DSIRE state incentive database, Alabama Public Service Commission, Tennessee Valley Authority, Alabama Power Company, Duke Energy Alabama, SEIA state market data, NREL solar resource maps, EnergySage state cost benchmarks.