Solar Incentives 2025: Federal Tax Credit and State Rebates

Solar incentives in 2025 can cut the cost of going solar by 30–50% or more when you combine the federal tax credit with state and utility programs. The main federal incentive is the Investment Tax Credit (ITC) at 30% for systems placed in service through 2032. On top of that, many states offer rebates, performance payments, or favorable net metering. This guide summarizes the key incentives so you can plan your project and apply on time.

Federal Investment Tax Credit (ITC)

The ITC allows you to subtract 30% of the cost of your solar system (including labor and eligible equipment) from your federal tax liability. For a $20,000 system, that’s a $6,000 credit. The credit applies to the year the system is “placed in service” (typically when it’s turned on). If your credit exceeds your tax liability that year, the excess can carry forward. The 30% rate applies through 2032; it then steps down. You must own the system (not lease or PPA) to claim the credit. Consult a tax professional for your situation.

State rebates and programs

Many states offer upfront rebates (e.g. dollars per watt or a fixed amount per system), which reduce your out-of-pocket cost. Some have performance-based incentives (e.g. payments per kWh produced). Property tax exemptions prevent your home’s assessed value from increasing when you add solar, and sales tax exemptions lower the purchase price in some states. Programs and amounts change; check your state energy office or the Database of State Incentives for Renewables and Efficiency (DSIRE).

Utility and local incentives

Utilities sometimes offer rebates or buyback programs for solar or battery storage. Net metering credits you for excess solar sent to the grid—rules vary by state and utility, and some regions have moved to different compensation structures. Understanding your utility’s current net metering and time-of-use rates helps you size the system and estimate savings. Our solar cost by country page includes international context for readers outside the U.S.

Stacking incentives

In many cases you can combine the federal ITC with state and utility incentives. The order of application can matter: often the federal credit is calculated on the pre-rebate cost, so you get 30% of the full amount, then subtract state/utility rebates from your out-of-pocket cost. Some state programs have income or system-size limits. Apply for state and utility programs as soon as you have a signed contract or completed installation, as funds can be limited.

Quick checklist

• Claim the 30% federal ITC on your tax return for the year the system is placed in service.
• Check state energy office and DSIRE for rebates and rules.
• Ask your utility about net metering, TOU rates, and any solar or storage rebates.
• Keep all invoices and proof of installation for the IRS and rebate applications.

Solar incentives in 2025 make going solar more affordable than ever. Start with the 30% federal credit, then add state and utility programs to minimize your net cost. For savings estimates tailored to your location, use the HearthIQ calculator.