Solar Incentives and Rebates in Montana

Peak Sun Hours (PSH): 4-5
Cost of Grid Power: $0.12/kWh
Number Of Installations: 2,026

What’s the Cost of Solar in Montana?

Cost of Grid Power

Montana's electricity prices average $0.12/kWh, up slightly from the last year but below the national average of $0.14/kWh.

Cost of a Solar Install

The average cost of a 5.5kW (equivalent to saving roughly 100 trees a year) solar power system starts around $12,000 in Montana. That system would pay for itself through energy savings within 6-7 years. System life can span well over 25 years, and savings will improve with inflation.

Solar Power in Big Sky Country

In 2019 about 3% of Montana's net power generation came from solar generation. The state does have a net metering policy where energy contributed to the utility grid is credited to next month's bill. However, if at the end of the year a homeowner has a net surplus, it does not roll over to the new year. Solar power systems are exempt from property tax, and the state does offer a tax credit of up to $1,000 for a household with more than one taxpayer.

What Incentives are Available in Montana?

Data from DSIRE. For more info visit:

Name Implementing Sector Program Type Administrator DSIRE ID
Lincoln Electric Cooperative - Net Metering Utility Net Metering 24
Mandatory Utility Green Power Option State Mandatory Utility Green Power Option 26
Montana Electric Coops - Net Metering Utility Net Metering 72
Renewable Resource Standard State Renewables Portfolio Standard 384
Fuel Mix and Emissions Disclosure State Generation Disclosure 534
Montana Electricity Buying Cooperative State Mandatory Utility Green Power Option 627
Yellowstone Valley Electric Coop - Solar Stock Watering Units Utility Other Incentive Yellowstone Valley Electric Cooperative 789
Energy Efficiency Standards for State Buildings State Energy Standards for Public Buildings 3363
Northwestern Energy - E+ Energy Appraisal for Businesses Utility Energy Analysis Northwestern Energy 14614
Glacier Electric Cooperative - Commercial Energy Efficiency Rebates Utility Energy Analysis Glacier Electric Cooperative 16856
Yellowstone Valley Electric Cooperative - Energy Analysis Utility Energy Analysis Yellowstone Valley Electric Cooperative, Inc. 17522
Montana State University - Montana Manufacturing Extension Center Other Energy Analysis Montana State University 17526
Ravalli County Electric Coop - Net Metering Other Other Ravalli County Electric Coop, Inc. 19367
Sun River Electric Coop - Energy Audit Other Energy Analysis Sun River Electric Coop 19403
BetterBricks - Integrated Design Lab Other Energy Analysis Northwest Energy Efficiency Alliance (NEEA) 21559
Northwest Energy Efficiency Alliance - Energy Training Calendar Other Training and Information Northwest Energy Efficiency Alliance 21560
Northwest Water & Energy Education Institute - Energy Management Certification Programs Other Training and Information Northwest Water & Energy Education Institute 21561
Northwest Water & Energy Education Institute - Energy Management Certificate Other Training and Information Northwest Water & Energy Education Institute 21562
U.S. Department of Energy - Industrial Assessment Center (IAC): Colorado State University Federal Energy Analysis U.S. Department of Energy 21600
Park Electric Cooperative Inc. - Net-Metering Utility Other Park Electric Cooperative Inc. 21916


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