Montana Solar Incentives & Tax Credits
Every solar incentive available to Montana homeowners in 2026.
30%
Federal Investment Tax Credit (ITC)
The Residential Clean Energy Credit lets you claim 30% of your total solar installation cost as a credit against your federal income taxes. On a $28,832 system, that's a $8,650 credit.
- ✅ No dollar cap — applies to full system cost including installation
- ✅ Available through December 31, 2032
- ✅ Unused credit can carry forward to future tax years
- ✅ Applies to batteries added at the same time as solar
$500
Montana State Incentive
Montana offers a $500 tax credit for residential solar.
Net Metering in Montana
Montana has Full Retail net metering. Your top utility, NorthWestern Energy, credits you for excess solar power fed to the grid.
Policy Type
Full Retail
Electricity Rate
$0.112/kWh
Top Utility
NorthWestern Energy
Utility Net Metering Policies in Montana
| Utility | Rate/kWh | Net Metering | Capacity Limit |
|---|---|---|---|
| NorthWestern Energy | $0.112 | Full Retail | No overall limit |
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