Solar installations in Montana
29 recorded installations — prices, growth by year, county breakdown and the installers doing the work.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
† Montana is under-reported. Public solar data is incomplete here, so the 0.01% homes-with-solar figure is a floor — the true rate is higher. See how complete each state's data is on the coverage scorecard.
Most active
Top installers in Montana
| # | Installer | Installs in MT |
|---|
Growth
Installations by year
New installs per year and the running cumulative total, plus % of homes with solar (ACS housing units).
By county
Solar by county in Montana
| County | Installs | % homes | Capacity | Median $/W |
|---|---|---|---|---|
| Big Horn Countylimited | 2 | 0.04% | 7.0 MW | — |
| Lewis and Clark Countylimited | 2 | 0.01% | 8.3 MW | — |
| Yellowstone Countylimited | 2 | 0.00% | 80.7 MW | — |
| Beaverhead Countylimited | 1 | 0.02% | 80.0 MW | — |
| Cascade Countylimited | 1 | 0.00% | 4.1 MW | — |
| Gallatin Countylimited | 1 | 0.00% | 2.5 MW | — |
| Golden Valley Countylimited | 1 | 0.21% | 4.1 MW | — |
Counties derived from installation ZIP codes (Census ZCTA crosswalk) — approximate at boundaries. Counties marked limited have under 10 recorded installs, so their medians and penetration are indicative only. % homes = recorded installs ÷ housing units (U.S. Census ACS 5-Year, B25001).
Search every recorded Montana installation — by installer, size, date, storage and equipment.
Search MT sites →Frequently asked questions
How many solar installations are there in Montana?
PanelCensus records 29 solar installations in Montana, totalling 205.1 MW of capacity — about 0.01% of the state's 522,939 housing units (U.S. Census ACS) — compiled from LBNL's Tracking the Sun, city permit records, state programs and USGS/EIA utility-scale data. (Coverage depends on what the state publishes, so actual totals are higher.)
How much does solar cost per watt in Montana?
The Montana records in the dataset do not include enough price data to compute a reliable median.
Who are the biggest solar installers in Montana?
No resolved installers recorded.