Solar Panel Costs in Montana (2026)
Avg cost: $3.00/watt | 4.5 sun hours/day | Good
Montana Solar Overview
$3.00/W
Cost Per Watt
4.5 hrs
Peak Sun Hours
240 MW
Installed Capacity
Good
Solar Rating
A typical 7 kW residential system in Montana costs $19,950 before the federal tax credit and $13,965 after. With 4.5 peak sun hours per day, the system produces approximately 9,198 kWh annually, saving an estimated $1,472/year. The payback period is approximately 9.5 years.
Net Metering in Montana
Available at retail rate for systems under 50 kW
State Incentives & Tax Credits
Federal ITC (30%)
Save $5,985 on a 7 kW system. Available through 2032.
Montana State Incentive
Property tax exemption for the first $20,000 of added value; alternative energy tax credit
Solar Service Costs in Montana
| Service | Low | High | MT Avg |
|---|---|---|---|
| Residential Solar Installation | $14,250 | $28,500 | $21,375 |
| Commercial Solar Installation | $47,500 | $190,000 | $95,000 |
| Battery Storage Installation | $4,750 | $14,250 | $9,500 |
| Solar Panel Removal | $1,425 | $4,750 | $2,850 |
| Solar Panel Cleaning | $143 | $570 | $285 |
| Inverter Replacement | $950 | $3,325 | $1,900 |
| Solar Roof Tiles | $38,000 | $71,250 | $52,250 |
| Solar Water Heater | $2,850 | $6,650 | $4,750 |
Top Solar Installers in Montana
- OnSite Energy
- Yellowstone Solar
- Sunrun
Always verify NABCEP certification, state licensing, insurance, and customer reviews. Get at least 3 written quotes.