Federal energy / EV credit conformity · HI

Hawaii · HI

Federal §25C / §25D / §30D / §25E conformity, independent state energy and EV programs, and the Hawaii primary-source link. Use the amend-window decoder below pre-filled to HI.

Last verified · 2026-05-07Hawaii DOR primary source ↗Pending verification

Federal conformity

How Hawaii treats each federal credit

last verified2026-05-07·source:law.cornell.edulast verified2026-05-07·source:law.cornell.edulast verified2026-05-07·source:law.cornell.edulast verified2026-05-07·source:law.cornell.edu

Federal conformity not deep-verified for Hawaii — verify directly at the state DOR.

§25C? Unverified — see your state DOR

Energy Efficient Home Improvement

Read the §25C pillar →

§25D? Unverified — see your state DOR

Residential Clean Energy

Read the §25D pillar →

§30D? Unverified — see your state DOR

New Clean Vehicle

Read the §30D pillar →

§25E? Unverified — see your state DOR

Previously-Owned Clean Vehicle

Read the §25E pillar →

Independent HI programs

State-level energy and EV credits

These programs survive federal termination — they apply independently of §25C / §25D / §30D / §25E.

Energy / residential

Pending verification — see your state DOR.

State-level energy and EV credits not deep-verified for Hawaii in this session. See your state DOR or state energy office for current programs.

EV / vehicle

Pending verification — see your state DOR.

Amend-window decoder

Decode your HI situation

Open the decoder pre-filled to Hawaii to see how the federal §25C / §25D / §30D / §25E rules and the §6511(a) amend window apply to your install or vehicle.

last verified2026-05-07·source:law.cornell.edu

Open decoder for HI →

← Back to all 50 states + DC

Last verified · 2026-05-07 · 2026-05-07 sweep