Idaho building energy incentive programs

Every program we track that reaches a Idaho commercial or public building, including the federal ones that reach every state. Each figure is read from our sourced registry, and each program links to the administrator’s own page, which is always the authority on a current round.

12 programs, of which 1 have a round open today and 1 are not currently open. 2 are federal and reach every state.

Clean Electricity Investment Credit (IRC §48E), with elective payment

FederalRound open

IRS / U.S. Treasury

Pays for the retrofit measures.

Post-OBBBA window for solar starting construction after July 4, 2026 closes placed in service by December 31, 2027

Verified against source on 2026-09-16. 26 U.S.C. §48E: rate (a)(2)(A)(ii)(I), FEOC (b)(6) and (c)(3), elective-payment domestic content (d)(5), termination (e)(4)

Avista Site-Specific (Custom) Incentives, Idaho

Avista

Pays for the retrofit measures.

Verified against source on 2026-08-29. Avista business rebates, Idaho

Boise City C-PACE Program

City of Boise (Energy Program Manager)

Pays for the improvements, as financing rather than a grant.

Verified against source on 2026-08-21. City of Boise C-PACE program

Idaho Power Custom Projects

Idaho Power

Pays for the retrofit measures.

Verified against source on 2026-08-28. Idaho Power Custom Projects

Detailed Energy Assessment Incentive

Idaho Power

Pays for the planning work.

Detailed assessment (75% reimbursement): $12,500

Verified against source on 2026-08-28. Idaho Power Energy Assessments

Idaho Power Custom Projects Energy Management

Idaho Power

Pays for the retrofit measures.

Verified against source on 2026-08-28. Idaho Power Custom Projects

HVAC and Controls Retrofit Incentives

Idaho Power

Pays for the retrofit measures.

Verified against source on 2026-08-21. Idaho Power HVAC and Controls (Idaho)

Idaho Standard Lighting Incentives

Idaho Power

Pays for the retrofit measures.

Verified against source on 2026-08-21.

Small Business Lighting

Idaho Power

Pays for the retrofit measures.

Verified against source on 2026-08-21. Idaho Power Small Business Lighting

General Service Energy Efficiency Rebate Program (Rate Schedule EE-GS)

Intermountain Gas Company

Pays for the retrofit measures.

Verified against source on 2026-09-01. Intermountain Gas Commercial Energy Efficiency

Rocky Mountain Power Wattsmart Business (Idaho)

Rocky Mountain Power (PacifiCorp)

Pays for the retrofit measures.

Small Business Enhanced (75% of project cost): $5,500

Verified against source on 2026-08-29. Rocky Mountain Power Idaho Energy Efficiency

Energy Efficient Commercial Buildings Deduction (26 U.S.C. 179D)

FederalNot currently open

Internal Revenue Service

Pays for the retrofit measures.

Verified against source on 2026-08-29. 26 U.S.C. 179D: termination at (i), designer allocation at (d)(3)

Rounds open and close, and a program page is always more current than a list. Confirm any figure with the administrator before you rely on it.