2026 Federal Solar Tax Credit (ITC): Complete Policy Analysis

What Is the Federal Investment Tax Credit (ITC)?

The Federal Investment Tax Credit, also known as the Solar ITC, allows homeowners to deduct 30% of the total cost of a solar energy system from their federal taxes. This is a dollar-for-dollar tax credit — not a deduction — meaning it directly reduces the amount of tax you owe.

For a typical $30,000 residential solar installation, the ITC provides a $9,000 tax credit, bringing the net cost down to $21,000. This credit applies to both solar panels and battery storage systems when installed together.

2026 ITC Rates and Step-Down Schedule

Year	Credit Rate	Notes
2022–2032	30%	Full credit under the Inflation Reduction Act
2033	26%	Steps down by 4 percentage points
2034	22%	Final year for residential credits
2035+	0%	Residential credit expires (unless extended)

The Inflation Reduction Act (IRA) of 2022 extended the 30% credit through 2032, providing a rare decade-long window of stability for solar investment planning.

Who Is Eligible?

Homeowners who own (not lease) their solar system
The system must be new — not previously used
It must be installed at a primary or secondary residence in the US
You must have sufficient federal tax liability to absorb the credit
Battery storage qualifies if capacity is ≥3 kWh

Can I Carry the Credit Forward?

Yes. If your federal tax liability in the installation year is less than the credit amount, you can carry the unused portion forward to future tax years. There is no expiration on the carry-forward under current law.

Example: If your ITC is $9,000 but you only owe $5,000 in federal taxes this year, you claim $5,000 now and carry $4,000 to next year.

How to Claim the ITC

Complete IRS Form 5695 (Residential Energy Credits)
Transfer the credit amount to your Form 1040 (Schedule 3, Line 5)
Keep all receipts and your installer’s contract for your records
No pre-approval or registration is required

Stacking with State Incentives

The federal ITC can be combined with most state and local incentives:

State tax credits (e.g., NY, SC, UT offer additional state-level credits)
Rebate programs (e.g., California SGIP for batteries)
Net metering (credits for excess energy sent to the grid)
Property tax exemptions (many states exempt solar from property tax increases)

However, rebates received may reduce the system cost basis for the ITC calculation. Consult a tax professional for your specific situation.

Key Takeaway

The 30% ITC is available now through 2032. Every year you wait is a year of electricity savings you miss. Use our free calculator to see exactly how the ITC impacts your specific situation.