Solar Panel Savings in Lewiston, ID
Calculate how much you can save with solar panels in Lewiston, Idaho. Based on 4.7 peak sun hours/day and 10.4¢/kWh average electricity rate.
4.7
Peak Sun Hours/Day
10.4¢
Avg Rate (¢/kWh)
13.5 yr
Payback Period
$29k
25-Year Savings
Lewiston Solar Overview
Calculate Your Lewiston Solar Savings
Lewiston average: $94/mo
South-facing roofs produce the most energy
Add $8,000-$12,000 for whole-home battery backup
Annual Production
kWh/year
Annual Savings
per year
Net System Cost
after 30% ITC
Payback Period
break-even time
25-Year Total Savings
$29,342
Monthly Savings
$72
Federal Tax Credit
$4,860
Cumulative Savings vs System Cost
Cost Breakdown
| Item | Lewiston | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $16,200 | $17,100 |
| Federal Tax Credit (30%) | -$4,860 | -$5,130 |
| Net System Cost | $11,340 | $11,970 |
| Cost Per Watt | $2.70/W | $2.85/W |
Solar Potential in Lewiston
Sun Hours vs National Average
Lewiston gets 4% more sun than the national average.
Climate Advantages
- 201 sunny days per year
- Average temperature: 46°F — cooler temps actually improve panel efficiency
- Average roof size: 1,915 sq ft — enough for a 106-panel system
Lewiston Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $16,200 system, that's a $4,860 credit. Valid through 2032.
Idaho State Incentives
Federal 30% ITC; check local utility for additional rebates.
Net Metering — Idaho Power
Idaho Power offers net metering in Lewiston. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.
Environmental Impact in Lewiston
3.4
Tons CO2 Offset/Year
57
Equivalent Trees Planted
0.8
Homes Worth of Energy
Based on 8,234 kWh annual production with a 6kW system. EPA average: 0.417 metric tons CO2 per MWh, 10,632 kWh per US home.
Solar Energy in Lewiston, Idaho
Lewiston, Idaho receives an average of 4.7 peak sun hours per day, providing excellent conditions for residential solar installations. With electricity rates averaging 10.4¢ per kWh from Idaho Power, below the national average, but with rates rising 2-3% annually, the long-term savings are still meaningful.
A typical 6kW solar system in Lewiston produces approximately 8,234 kWh per year, saving homeowners an estimated $859 annually. The system pays for itself in about 13.2 years, after which you enjoy essentially free electricity for the remaining 12+ years of the system's warranty life.
Lewiston has a solar penetration rate of 1.7% — indicating early-stage solar adoption with tremendous growth potential as prices continue to fall. The cost of living index of 96.6 (national average: 100) is near the national average.
Other Cities in Idaho
Frequently Asked Questions
How much do solar panels cost in Lewiston, ID?
The average cost of a 6kW solar panel system in Lewiston is approximately $16,200 before incentives ($2.70/watt). After the 30% federal Investment Tax Credit, the net cost is about $11,340. Federal 30% ITC; check local utility for additional rebates.
How many peak sun hours does Lewiston get?
Lewiston, ID receives an average of 4.7 peak sun hours per day and approximately 201 sunny days per year. This is near the national average, providing good conditions for residential solar panels.
What is the solar payback period in Lewiston?
The average solar payback period in Lewiston is approximately 13.5 years. After payback, your solar panels generate essentially free electricity for the remaining 15-20 years of their warranty. Over 25 years, total savings can reach $29,342.
Does Lewiston have net metering?
Yes, Lewiston has access to net metering through Idaho Power. This allows you to earn credits for excess solar energy sent to the grid, significantly improving your solar investment returns.
Is solar worth it in Lewiston, ID?
Yes, solar is a solid investment in Lewiston. While the 13.5-year payback is moderate, you'll still save $29,342 over 25 years. The 30% federal tax credit and local incentives help make solar financially attractive.