Federal + State Incentives: The Full Picture
The 30% federal Investment Tax Credit is available nationwide, but your total savings depend heavily on state and local incentives that stack on top of it. In the best states, combined federal and state incentives can reduce your solar system cost by 45–60%. In states with no additional incentives, the federal ITC alone provides 30%.
Types of State Solar Incentives
State Tax Credits
Several states offer their own income tax credits for solar installations, directly reducing your state tax bill.
| State | Credit | Cap |
|---|---|---|
| New York | 25% | $5,000 |
| South Carolina | 25% | $3,500 |
| Arizona | 25% | $1,000 |
| Iowa | 15% | $5,000 |
| Utah | $400 per kW | $1,600 |
Cash Rebates
Some states and utilities offer upfront cash rebates that directly reduce installation costs:
- Massachusetts: SMART program — performance-based payments over 10 years
- Connecticut: Residential Solar Investment Program rebates
- Illinois: Illinois Shines — upfront payments for renewable energy credits
Solar Renewable Energy Credits (SRECs)
In SREC markets, your solar system earns tradeable credits for every 1,000 kWh (1 MWh) produced. These credits have monetary value because utilities must purchase them to meet renewable energy mandates.
| State | Approx. SREC Value | Annual Income (7 kW system) |
|---|---|---|
| New Jersey | $180–$220/MWh | $1,600–$2,000 |
| Massachusetts | $250–$350/MWh | $2,000–$2,800 |
| Maryland | $60–$80/MWh | $500–$700 |
| Pennsylvania | $30–$45/MWh | $270–$400 |
| Washington, D.C. | $300–$400/MWh | $2,400–$3,200 |
Property Tax Exemptions
Solar increases your home's value, but many states exempt this increase from property taxes. Without the exemption, a $25,000 solar system could increase your annual property tax by $250–$500. States with full property tax exemptions include:
- California, Texas, New York, Florida, Arizona, Colorado, New Jersey, Massachusetts, and many more
Sales Tax Exemptions
Some states waive sales tax on solar equipment purchases, saving 4–10% on hardware costs:
- California, New York, New Jersey, Florida, Arizona, Texas, Connecticut, Maryland
Top States by Total Incentive Value
| State | Federal ITC | State Credit/Rebate | SRECs/Year | Total Incentive Value |
|---|---|---|---|---|
| MA | 30% | SMART program | $2,000+ | 55–65% cost reduction |
| NY | 30% | 25% (max $5K) | N/A | 50–55% cost reduction |
| NJ | 30% | SRECs | $1,800+ | 50–60% cost reduction |
| SC | 30% | 25% (max $3.5K) | N/A | 45–55% cost reduction |
How to Maximize Your Incentives
- Claim the federal ITC first — this is always available and requires only IRS Form 5695
- Stack state credits — check eligibility and file the appropriate state tax form
- Register for SRECs — your installer can help set up your SREC account
- Verify property and sales tax exemptions — ensure your county correctly applies the exemption
- Check utility rebates — many utilities offer additional incentives not listed at the state level
Visit your state page for a detailed breakdown of every incentive available in your area, or use our solar calculator to model total savings including all applicable incentives.