Solar Panel Savings in Montana
Montana gets 4.6 peak sun hours per day with electricity at 12.5¢/kWh. See how much you can save with solar panels.
Solar Panel Cost & Savings by System Size in Montana
| System Size | Gross Cost | After Credits | Payback | 25-Year Savings | Annual kWh |
|---|---|---|---|---|---|
| 6 kW | $17,400 | $12,180 | 9.0 yrs | $31,571 | 10,074 |
| 8 kW | $23,200 | $16,240 | 11.5 yrs | $27,511 | 13,432 |
| 10 kW | $29,000 | $20,300 | 13.9 yrs | $23,451 | 16,790 |
| 12 kW | $34,800 | $24,360 | 16.1 yrs | $19,391 | 20,148 |
Includes 30% federal ITC + 0% Montana state credit. Assumes 3% annual electricity rate increase and 0.5% panel degradation.
Montana Solar Incentives
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Is Solar Worth It in Montana?
Montana averages 4.6 peak sun hours per day, which means an 8 kW solar system would produce approximately 13,432 kWh per year. At the state's average electricity rate of 12.5¢/kWh, that translates to significant annual savings on your electric bill.
With the federal 30% Investment Tax Credit and Montana's 0% state incentive, an 8 kW system costing $23,200 drops to just $16,240 after credits — with a payback period of approximately 11.5 years.
Over 25 years, homeowners in Montana can expect to save $27,511 with an 8 kW system, factoring in panel degradation and rising electricity costs. The combination of solid sun exposure and federal incentives makes solar a solid investment in Montana.