Delaware insulation & spray foam rebates (2026)
Last checked October 16, 2026.
Federal tax credit (25C): ended
Insulation installed in Delaware after December 31, 2025 does not qualify for the federal Energy Efficient Home Improvement Credit. IRS.
Delaware Home Energy Rebate program
Not yet launched Home Efficiency Rebate Program and Home Electrification and Appliance Rebate Program
Electrification/appliance rebates (HEAR): "expected to launch once funding is received later this year"
Whole-home efficiency rebates (HOMES/HER): "expected to launch once funding is received later this year"
Official source: DNREC. Status text compiled via referencesource.org, last checked by them August 25, 2026.
Utility rebates
We haven't verified utility insulation rebates in Delaware. Try ENERGY STAR's rebate finder or DSIRE.