Updated for 2026
Independent Consumer Guide
Transparent Estimates
No Obligation Quotes
Idaho · Updated 2026

Solar Panel Cost in Idaho

Average costs, savings estimates, and incentives for Idaho homeowners — plus free installer quotes.

$22,000
Avg. System Cost
before incentives
14 yrs
Est. Payback Period
based on avg savings
$1,100
Annual Savings
$92/month
14 yrs
Payback Period
12,100 25-yr ROI

Solar in Idaho: Overview

Idaho homeowners who go solar can expect to pay around $22,000 for a typical 7.3 kW system before incentives. Note: the 30% federal residential solar tax credit expired December 31, 2025. State and local incentives may still reduce your net cost.

With average annual electricity savings of $1,100, the typical payback period in Idaho is 14 years. Over 25 years, that represents a return on investment of approximately $12,100.

Idaho's sun score of 70/100 reflects the region's solar irradiance. The state also offers Net metering available, which can further reduce your upfront costs.

Solar Incentives in Idaho

Federal ITC (Section 25D)Expired

Expired December 31, 2025 — no longer available for new residential installs

Net metering availableState

State-specific program for Idaho residents

Property Tax ExemptionVaries

Many states exempt solar from property tax assessments

Net MeteringUtility

Sell excess power back to the grid at retail rates

Frequently Asked Questions — Solar in Idaho

How much do solar panels cost in Idaho?

The average solar installation in Idaho costs approximately $22,000 before incentives. Note: the 30% federal residential solar tax credit expired December 31, 2025. State and local incentives may still apply in your area. Prices vary by system size, installer, and equipment quality.

How much can I save with solar in Idaho?

Idaho homeowners save an average of $1,100 per year on electricity with solar. Over 25 years, that's a potential return of $12,100 after accounting for your net system cost.

What solar incentives are available in Idaho?

Idaho offers Net metering available. Note: the federal 30% residential ITC expired December 31, 2025. Check with your utility company for additional rebates and state programs.

How long is the solar payback period in Idaho?

Based on average costs and savings, the typical payback period in Idaho is approximately 14 years. After payback, your solar panels continue generating free electricity for 15–20+ more years.

Is solar worth it in Idaho?

With a sun score of 70/100 and average annual savings of $1,100, solar is an excellent investment in Idaho. The Net metering available further improves the economics.

Get Idaho Installer Quotes

Compare quotes from top-rated solar installers in Idaho — free, no obligation.

Calculate Your Savings

Get a personalized estimate based on your specific bill and roof size.

Share This Page