Solar Panel Savings in Lewistown, MT

Calculate how much you can save with solar panels in Lewistown, Montana. Based on 5 peak sun hours/day and 9.9¢/kWh average electricity rate.

5

Peak Sun Hours/Day

9.9¢

Avg Rate (¢/kWh)

15.6 yr

Payback Period

$30k

25-Year Savings

Lewistown Solar Overview

Population:5,901
Sunny Days/Year:199
Avg Temperature:43°F
Solar Penetration:5.3%
Utility Company:NorthWestern Energy
Net Metering:Available

Calculate Your Lewistown Solar Savings

3 kW15 kW

Lewistown average: $89/mo

South-facing roofs produce the most energy

Add $8,000-$12,000 for whole-home battery backup

Annual Production

8,760

kWh/year

Annual Savings

$870

per year

Net System Cost

$13,230

after 30% ITC

Payback Period

15.2 yr

break-even time

25-Year Total Savings

$29,717

Monthly Savings

$73

Federal Tax Credit

$5,670

Cumulative Savings vs System Cost

$0k$8k$16k$23k$31kYr 0Yr 5Yr 10Yr 15Yr 20Yr 25System CostBreak-even
Cumulative Savings System Cost

Cost Breakdown

ItemLewistownNational Avg
Gross System Cost (6kW)$18,900$17,100
Federal Tax Credit (30%)-$5,670-$5,130
Net System Cost$13,230$11,970
Cost Per Watt$3.15/W$2.85/W

Solar Potential in Lewistown

Sun Hours vs National Average

5 hrs
4.5 hrs

Lewistown gets 11% more sun than the national average.

Climate Advantages

  • 199 sunny days per year
  • Average temperature: 43°F — cooler temps actually improve panel efficiency
  • Average roof size: 1,815 sq ft — enough for a 100-panel system

Lewistown Solar Incentives & Programs

Federal Investment Tax Credit (ITC)

30% of total system cost deducted from federal taxes. For a $18,900 system, that's a $5,670 credit. Valid through 2032.

Montana State Incentives

Federal 30% ITC; check local utility for additional rebates.

Net Metering — NorthWestern Energy

NorthWestern Energy offers net metering in Lewistown. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.

Environmental Impact in Lewistown

3.7

Tons CO2 Offset/Year

60

Equivalent Trees Planted

0.8

Homes Worth of Energy

Based on 8,760 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 Lewistown, Montana

Lewistown, Montana receives an average of 5 peak sun hours per day, providing excellent conditions for residential solar installations. With electricity rates averaging 9.9¢ per kWh from NorthWestern Energy, below the national average, but with rates rising 2-3% annually, the long-term savings are still meaningful.

A typical 6kW solar system in Lewistown produces approximately 8,760 kWh per year, saving homeowners an estimated $870 annually. The system pays for itself in about 15.2 years, after which you enjoy essentially free electricity for the remaining 10+ years of the system's warranty life.

Lewistown has a solar penetration rate of 5.3% — showing growing adoption of residential solar, with significant room for expansion. The cost of living index of 90.9 (national average: 100) reflects a lower cost of living, keeping installation costs competitive.

Other Cities in Montana

Frequently Asked Questions

How much do solar panels cost in Lewistown, MT?

The average cost of a 6kW solar panel system in Lewistown is approximately $18,900 before incentives ($3.15/watt). After the 30% federal Investment Tax Credit, the net cost is about $13,230. Federal 30% ITC; check local utility for additional rebates.

How many peak sun hours does Lewistown get?

Lewistown, MT receives an average of 5 peak sun hours per day and approximately 199 sunny days per year. This is above the national average of 4.5 hours, making it an excellent location for solar energy.

What is the solar payback period in Lewistown?

The average solar payback period in Lewistown is approximately 15.6 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 $29,717.

Does Lewistown have net metering?

Yes, Lewistown has access to net metering through NorthWestern Energy. 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 Lewistown, MT?

Solar can still be worthwhile in Lewistown, especially with rising electricity rates. The 15.6-year payback means long-term savings of $29,717 over the system lifetime. The 30% federal tax credit and local incentives help make solar financially attractive.

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