Solar & Net Metering Policy
Net metering is available in Montana, allowing solar owners to send excess electricity back to the grid and receive credits on their utility bill. Available for NorthWestern Energy customers up to 50 kW. Montana does not currently offer a state solar tax credit, though the federal 30% ITC still applies to qualifying installations. Additional savings are available through a property tax exemption on the added home value and a sales tax exemption on solar equipment.
Net Metering Notes
Available for NorthWestern Energy customers up to 50 kW.
Does Montana have net metering?
Yes. Montana has net metering, which allows solar panel owners to receive credits for excess electricity sent back to the grid. Available for NorthWestern Energy customers up to 50 kW.
What solar tax credits are available in Montana?
Montana does not currently offer a state solar tax credit. However, the federal Investment Tax Credit (ITC) provides a 30% tax credit on qualifying solar installations nationwide.
What is the federal solar tax credit and does it apply in Montana?
The federal Investment Tax Credit (ITC) provides a 30% tax credit on the total cost of a solar installation. It applies in Montana for qualifying residential and commercial installations. The ITC is claimed on your federal tax return in the year the system is installed.
Is solar equipment exempt from property tax in Montana?
Yes. Montana offers a property tax exemption for solar installations, meaning the added home value from your solar system is not subject to additional property taxes.
Is there a sales tax exemption for solar in Montana?
Yes. Montana exempts solar energy equipment from state sales tax, which can save several percent on the upfront cost of your system.
Does Montana have an SREC market?
Montana does not currently have an active SREC market. Solar owners in Montana cannot generate additional income through SREC sales at this time.
Are there utility rebates for solar in Montana?
Statewide utility rebates are not currently available in Montana. Some local utilities may offer their own programs — contact your utility directly for any available incentives.
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Official Source
Montana Public Utility Commission
Last verified: 2026-03-24 · Always confirm current incentives before installing solar.