Is Solar Worth It in Idaho?
Yes — solar is a solid investment in Idaho.
Good sun and net metering support payback in 8–10 years. Idaho Power and other utilities offer net metering.
Average Cost of Solar in Idaho (2026)
The total cost of a residential solar system depends on system size, roof type, and installer pricing.
Typical 6–8 kW system:
- Average cost before incentives: $14,000 – $20,000
- Federal tax credit (30%): -$4,200 – $6,000
- Average net cost after federal credit: $9,800 – $14,000
The federal 30% Residential Clean Energy Credit is administered through the Internal Revenue Service.
Typical systems are 6–8 kW.
Solar Incentives in Idaho
1. Federal Solar Tax Credit (30%)
30% of installation costs deductible from federal taxes.
2. Net Metering
Idaho has net metering; terms vary by utility.
3. State
Check DSIRE for current state and utility incentives.
Electricity Rates in Idaho
Idaho rates are often below the national average.
A typical Idaho homeowner spends $1,000–$1,600 per year on electricity.
Solar can offset most or all of this cost.
Payback Period in Idaho
Most homeowners see:
- Payback period: 8–10 years
- 25-year savings: $22,000–$48,000+
Savings depend on roof orientation, local utility rates, system size, and financing method.
Best Cities for Solar in Idaho
Solar performs well statewide, but adoption is strongest in:
- Boise
- Meridian
- Nampa
- Idaho Falls
Suburban homes with south-facing roofs tend to achieve the highest ROI.
Is Solar Worth It in Idaho? (Summary)
Solar makes the most sense if:
- You plan to stay 8+ years
- Your roof has good sun
- Your bills exceed $100/month
- You qualify for the federal tax credit
Solar makes sense for homeowners with good roof exposure and 8+ year plans.
How to Calculate Your Idaho Solar Savings
Every home is different.
To get a personalized estimate, use the calculator on this page: enter your ZIP, monthly bill, and optional system size to see projected savings and payback.