
Solar Panel Cost in Alabama
Updated 2026 guide to solar panel prices, savings, and payback period in Alabama.
Estimated Solar Savings
Solar Panel System Costs in Alabama
Below are estimated costs for different solar panel system sizes in Alabama, including the 30% federal solar tax credit.
| System Size | Cost Before Incentives | Federal Tax Credit (30%) | Net Cost | Est. Annual Production |
|---|---|---|---|---|
| 4 kW | $11,400 | -$3,420 | $7,980 | 6,862 kWh |
| 6 kWMost Popular | $17,100 | -$5,130 | $11,970 | 10,293 kWh |
| 8 kW | $22,800 | -$6,840 | $15,960 | 13,724 kWh |
| 10 kW | $28,500 | -$8,550 | $19,950 | 17,155 kWh |
| 12 kW | $34,200 | -$10,260 | $23,940 | 20,586 kWh |
What Affects Solar Panel Cost in Alabama?
The average cost of solar panels in Alabama is $285/watt before incentives. For a typical 6kW residential system, that means a total cost of about $17,100 before the federal tax credit.
After applying the 30% federal Investment Tax Credit (ITC), your net cost drops to approximately $11,970.Alabama homeowners typically see a payback period of 9 years and save an estimated $29,000 over 25 years.
Solar costs in Alabama have decreased approximately 40% over the last decade, making residential solar more accessible than ever for homeowners across the state.
Factors that affect your cost:
- System size: Larger systems cost more but have a lower cost per watt
- Equipment quality: Premium panels and inverters cost more but offer better efficiency
- Roof complexity: Steep roofs, multiple levels, or shading can increase installation costs
- Local labor rates: Installation costs vary by region within Alabama
- Incentives: State and local programs can significantly reduce your out-of-pocket cost

Solar Incentives in Alabama
Federal Solar Investment Tax Credit
30% Federal Tax Credit (ITC)
The federal Investment Tax Credit (ITC) allows Alabama homeowners to deduct 30% of the cost of installing a solar energy system from their federal taxes.
State & Local Incentives
AlabamaSAVES Loan Program
LoanLow-interest financing available through the AlabamaSAVES program for energy efficiency and renewable energy improvements.
TVA Green Power Providers
RebateTennessee Valley Authority program available to some Alabama residents that provides credits for solar energy fed back to the grid.
Net Metering
Alabama does not have a statewide mandatory net metering policy. Some utilities may offer voluntary programs for solar customers.
Not AvailableSRECs
Alabama does not currently have a Solar Renewable Energy Certificate (SREC) market.
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Solar Panel Cost FAQ - Alabama
The cost of solar panels in Alabama typically ranges from $2.50 to $3.50 per watt before incentives. For a standard 6 kW residential system, homeowners in Alabama can expect to pay between $15,000 and $21,000 before the federal tax credit. After applying the 30% federal Investment Tax Credit, the net cost drops to approximately $10,500-$14,700. Actual costs vary based on your specific roof, chosen equipment, and installer. We recommend getting at least three quotes from local Alabama solar installers to find the best price.
The average solar payback period in Alabama depends on local electricity rates, available incentives, and sun exposure. Most Alabama homeowners see a payback period between 6 and 10 years. After the payback period, you essentially enjoy free electricity for the remaining 15-20+ years of your system's life. Higher local electricity rates and additional state incentives can shorten the payback period significantly. A qualified Alabama solar installer can calculate your specific payback period based on your energy usage and roof characteristics.
Alabama homeowners who install solar panels typically save between $20,000 and $50,000 over 25 years, depending on system size, electricity rates, and available incentives. These savings come from reduced or eliminated electricity bills, net metering credits, and any applicable SREC income. As electricity rates in Alabama continue to rise (historically averaging 2-3% annually), your savings grow each year. The combination of the 30% federal tax credit and any Alabama-specific incentives helps maximize your return on investment.
The right solar system size for your Alabama home depends on your electricity consumption, roof space, and budget. The average Alabama home uses approximately 10,000-11,000 kWh per year, which typically requires a 6-8 kW solar system. To determine your ideal size, review your annual electricity usage on recent utility bills. Factors like Alabama's average peak sun hours, your roof orientation, and any shading will affect how many panels you need. A professional Alabama solar installer will use satellite imagery and your usage data to recommend the optimal system size.
Yes, solar is generally worth the investment for Alabama homeowners in 2025. With solar panel costs at historic lows, the 30% federal tax credit still available, and electricity rates continuing to rise, the financial case for solar in Alabama is strong. Most Alabama homeowners who go solar see positive returns within 6-10 years, followed by 15-20+ years of significant savings. Additionally, solar panels increase your home value, provide energy independence, and protect against future electricity rate increases. The best way to determine if solar is right for your Alabama home is to get a free, customized quote from a qualified local installer.
Solar Panel Costs by City in Alabama
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