Fair value for solar

Solar panel cost in Billings, MT (2026)

A typical Billings home needs about a 8.3 kW system (~21 panels), costing roughly $24,485 upfront or $23,985 after state incentives. The 30% federal credit ended for purchases on Dec 31, 2025 (a lease/PPA can still pass it through). At 4.32 peak sun hours and Montana's 12.2¢/kWh rate, it pays back in about 18.8 years and saves an estimated $19,323 over 25 years.

System size
8.3 kW
Net cost
$23,985
Payback
18.8 yrs
25-yr savings
$19,323

Estimate your savings in Billings

Preset to Billings's local sunlight. Adjust your monthly bill for a personalized estimate.

$106
Recommended system
8.3 kW
Est. net cost (cash)
$23,985
Payback period
18.9 yrs
Est. monthly savings
$106
25-year net savings
$19,255
Bill offset
100%
Fair value in BillingsBased on a 8.3 kW system at $3/W, 4.32 peak sun hours, and a 12.2¢/kWh rate.

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See actual prices from vetted local installers — including lease and PPA options that still capture the 30% credit in 2026. Free, no obligation.

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Annual electricity use10,426 kWh
Annual solar production10,470 kWh
Gross system cost$24,485
Federal tax credit (purchase)Ended Dec 2025
State / local incentives– $500
30% via lease/PPA instead~$7,346 value
CO₂ avoided per year3.7 tons (~61 trees)

Estimates only — not a quote or financial advice. See our methodology.

What makes Billings different

Billings (population ~117,116) gets 4.32 peak sun hours per day — that's 2% less sunny than the Montana average of 4.4. Slightly less local sunlight means panels produce a touch less than the state average, so sizing and orientation matter. Electricity rates, net metering, and incentives are set at the Montana level: residents pay about 12.2¢/kWh, and full net metering + state tax credit up to $500.

City peak sun hours4.32 hrs/day
Recommended system size8.3 kW (~21 panels)
Installed price per watt$3/W
Gross system cost$24,485
Federal tax credit (purchase)Ended Dec 31, 2025
State / local incentives– $500
Net cash cost$23,985
30% credit via lease/PPA~$7,346 value
Annual energy produced10,470 kWh
Estimated year-1 savings$1,274
Payback period18.8 years
25-year net savings$19,323
CO₂ avoided per year3.7 tons (~61 trees)

Compare with the Montana state average (8.1 kW, $23,395 net, 18.4-yr payback). Modeled estimates, June 2026 — not a quote. See methodology.

Compare real solar quotes in Billings, MT

See actual prices from vetted local installers — including lease and PPA options that still capture the 30% credit in 2026. Free, no obligation.

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Solar in Billings: FAQ

How much do solar panels cost in Billings?
A typical 8.3 kW home system in Billings costs about $24,485 before incentives. After Montana incentives, the net cash cost is roughly $23,985. The 30% federal tax credit ended for purchases on Dec 31, 2025, though a lease or PPA can still pass through a 30% credit (~$7,346).
Is solar worth it in Billings?
With 4.32 peak sun hours a day and Montana's 12.2¢/kWh electricity rate, a system in Billings pays back in about 18.8 years and returns an estimated $19,323 over 25 years — a fair-value result.
How many solar panels do homes in Billings need?
To offset typical usage, a Billings home needs roughly a 8.3 kW system — about 21 modern 410-watt panels. Your exact count depends on roof space, shading, and your actual electricity use.
What rebates and tax credits apply in Billings?
The 30% federal Residential Clean Energy Credit ended for purchases on Dec 31, 2025. A lease or PPA can still capture a 30% credit (~$7,346 on this system) passed through by the provider. Statewide, Full net metering + state tax credit up to $500.