Solar Panel Cost in Idaho Falls, ID (2026)
The average solar panel installation in Idaho Falls, ID costs $2.90 per watt, or about $17,400 for a typical 6kW residential system before state and local incentives. Over 25 years, going solar in Idaho Falls can save you an estimated $28,000, with a payback period of around 9 years.
$2.90
Cost per Watt
$17,400
Avg System Cost
9 years
Payback Period
$28,000
25-Year Savings
Solar Panel Costs in Idaho Falls, ID
Average cost per watt: $2.90 | Payback period: 9 years
| System Size | Estimated Cost | Est. 25-Year Savings |
|---|---|---|
| 4 kW | $11,600 | $18,667 |
| 6 kW | $17,400 | $28,000 |
| 8 kW | $23,200 | $37,333 |
| 10 kW | $29,000 | $46,667 |
| 12 kW | $34,800 | $56,000 |
Why Go Solar in Idaho Falls?
Idaho Falls residents currently pay an average of $10.0 cents/kWh for electricity. While this is below the national average of 16 cents/kWh, Idaho Falls homeowners still benefit from solar thanks to state incentives, net metering, and rising electricity costs.
With an average of 4.7 peak sun hours per day, Idaho Falls receives good solar irradiance, supporting strong energy production from your rooftop panels throughout the year.
Idaho offers net metering, which means Idaho Falls homeowners earn credits on their electricity bill for any excess solar energy sent back to the grid. This can significantly reduce or even eliminate your monthly electricity bill.
Solar Cost FAQs for Idaho Falls, ID
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