Published: February 2026

2026 Federal Energy Tax Credit Updates: What Changed This Year

The Inflation Reduction Act established energy tax credits that run through 2032, but the specific requirements and eligible equipment lists are updated periodically. Here is an overview of the key federal energy tax credits available in 2026 and what homeowners need to know.

Section 25C: Energy Efficient Home Improvement Credit

The Section 25C credit continues to provide up to $3,200 per year for energy-efficient home improvements. The credit covers 30% of costs for qualifying equipment and materials. Key annual limits include up to $2,000 for heat pumps and heat pump water heaters, $1,200 for other improvements like insulation and windows, and $150 for home energy audits.

For 2026, homeowners should verify that their chosen equipment meets the current ENERGY STAR or CEE (Consortium for Energy Efficiency) tier requirements. Equipment efficiency standards may be updated annually, so always check with your contractor or the ENERGY STAR website before purchasing.

Section 25D: Residential Clean Energy Credit

The Section 25D credit remains at 30% with no dollar cap through 2032. This credit covers solar photovoltaic systems, battery storage (standalone storage became eligible starting 2023), geothermal heat pumps, solar water heaters, wind turbines, and fuel cells. The credit begins stepping down to 26% in 2033 and 22% in 2034.

Homeowners planning solar installations should be aware that local permitting and interconnection timelines can extend projects by several months. Starting the process early in the tax year ensures the installation can be completed and the system placed in service before December 31 to claim the credit for that year.

Section 30C: EV Charger Tax Credit

The Section 30C credit provides up to $1,000 (30% of cost) for residential EV charger installations. The charger must be located in an eligible census tract, defined as either a low-income community or a non-urban (rural) area. Bidirectional (vehicle-to-home) chargers also qualify under this credit.

How to Maximize Your Credits in 2026

Homeowners can claim both the 25C and 25D credits in the same tax year because they cover different equipment categories. For example, you could install a heat pump (25C, up to $2,000), add insulation (25C, part of the $1,200 limit), and install solar panels (25D, 30% with no cap) all in the same year. Read our rebate stacking guide for detailed strategies.

Additionally, state rebates and utility incentives can be combined with federal tax credits. In most cases, state rebates do not reduce the amount of your federal tax credit. However, utility rebates paid directly to contractors may reduce your eligible costs. Consult a tax professional for your specific situation.

Get Personalized Guidance

Ask our AI assistant about which credits apply to your planned upgrades, or browse your state's rebate page for the full picture of available incentives.