Home / Solar Tax Credit Calculator

Solar Tax Credit Calculator

Calculate your 30% federal residential solar tax credit, including eligible battery storage, and your net cost after the credit.

Details

Results

Federal tax credit (30%)
Eligible cost
Net cost after credit

Estimate only. Prices, sun hours and rates vary by location and installer.

How it works

The federal Residential Clean Energy Credit is 30% of eligible system cost, including qualifying battery storage. We apply it to your total to show the credit and net cost.

Batteries count too: qualifying storage is eligible for the same 30% credit.

SolarPanelCostGuide has more free tools

Plan your solar project with our free tools.

The single biggest solar incentive

The federal Residential Clean Energy Credit knocks 30% off the cost of a solar system — and qualifying battery storage — right off your federal tax bill. On a $24,000 system that’s $7,200. It’s a credit, not a deduction, so it reduces tax dollar-for-dollar; if you can’t use it all in one year, the balance carries forward. Confirm your eligibility with a tax pro before counting on it.

Good to know

FAQs

How much is the solar tax credit?

30% of eligible system cost, including installation and qualifying batteries.

Is it a refund?

No — it's a nonrefundable credit against your federal tax; unused amounts can carry forward.

Does battery storage qualify?

Standalone or paired storage of 3 kWh+ generally qualifies.

Is this tax advice?

No — confirm eligibility with a tax professional.