Solar Tax Credit Calculator
Estimate the final-year Section 25D residential clean energy credit and any unused amount carried to 2026.
Allowed 2025 credit
$7,200Current-year credit
$7,200Available with carryforward
$7,200Carryforward to 2026
$0Section 25D ended for new expenditures after December 31, 2025. This 2025 worksheet applies the 30% rate; prior/current unused credit can carry to 2026 subject to the Form 5695 rules.
What this tool covers
Calculation scope
- Applies the 30% rate to 2025 qualifying costs.
- Applies the fuel-cell capacity limit.
- Combines prior carryforward and tracks unused credit to 2026.
Frequently asked questions
Is a new solar installation eligible after 2025?
No. Under current law, Section 25D does not apply to expenditures made after December 31, 2025.
Can unused 2025 credit carry to 2026?
Yes. The 2025 Form 5695 instructions allow unused residential clean energy credit to carry forward to 2026.
Does battery storage qualify?
Qualified battery storage technology with at least 3 kilowatt-hours of capacity can qualify under the Form 5695 rules.
Sources
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