Solar Incentives & Tax Credits in Idaho (2026)
Idaho residents can take advantage of multiple solar incentives to reduce the cost of going solar. With 3 state and local programs, homeowners can significantly lower their upfront investment and accelerate their payback period.
Available Incentives in Idaho
Idaho State Tax Deduction
Tax CreditIdaho offers a state income tax deduction for residential solar installations.
Value
40% of cost in Year 1 (up to $5,000), 20% in Years 2-4 (up to $5,000 each)
Eligibility
Residential installations
Net Metering
ProgramIdaho utilities offer net metering, crediting you for excess solar energy at the full retail rate.
Value
Full retail rate credit
Eligibility
Customers of Idaho Power and other regulated utilities
Property Tax Exemption
ExemptionSolar energy systems do not increase your property tax assessment.
Value
100% exemption on added value
Eligibility
All residential solar installations
Net Metering in Idaho
Idaho offers full retail rate net metering through Idaho Power and other regulated utilities. Excess credits roll over month-to-month, making it one of the more favorable net metering states in the region.
Renewable Portfolio Standard (RPS)
Idaho RPS Target
No mandatory RPS (voluntary goals)
A strong renewable portfolio standard signals long-term government support for solar energy, which often translates to continued incentives and favorable policies for homeowners.
Solar Incentive FAQs for Idaho
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