Trempealeau County, WI solar installation & market data
Updated September 12, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Trempealeau County has 115 solar installations across 11 zip codes at a median installed cost of $2.78/W, recent growth not yet measurable, and an installs-weighted Market Score of 50.
Active installations
115
Zip markets
11
Median cost
$2.78/W
12-mo growth
—
Installers active
17
County Market Score
Excellent · installs-weighted across 11 zips
Best zip in Trempealeau County scores higher than 95% of U.S. zip markets.
Versus Wisconsin
How Trempealeau County compares with the state
Installed cost
$0.74/W below
state median $3.52/W
Market score
50 vs 41
Wisconsin scores 41
Share of state installs
0.57%
of 20.2K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▼ 3.1%
residential solar added in Wisconsin, 12 months through Jul 2026
Statewide market
22.1K systems
1.2% of homes · utility-reported through Jul 2026
Growth & pricing
Trempealeau County by year
36 installs in the trailing twelve months vs 27 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Trempealeau County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | OLSON SOLAR ENERGY | 49 | 9 | 9 | $2.77 |
| 2 | GREEN ENERGY | 6 | 2 | 2 | $2.17 |
| 3 | WATER SOURCE HEATING COOLING | 4 | 0 | 1 | $2.27 |
| 4 | ETHOS GREEN POWER | 3 | 0 | 2 | $2.28 |
| 5 | MIDWEST SOLARS | 3 | 0 | 3 | $3.35 |
| 6 | WINONA RENEWABLE ENERGY | 3 | 0 | 2 | $4.04 |
| 7 | NEXT STEP ENERGY | 3 | 0 | 2 | $3.25 |
| 8 | RC ELECTRIC | 2 | 0 | 1 | $2.26 |
| 9 | FULL SPECTRUM SOLAR | 2 | 0 | 1 | $2.21 |
| 10 | JOLMA ELECTRIC | 2 | 0 | 1 | $4.72 |
| 11 | MINNSOLAR | 1 | 0 | 1 | $2.25 |
| 12 | 518 SOLAR 10105078 | 1 | 1 | 1 | $3.96 |
| 13 | ABLE ENERGY | 1 | 0 | 1 | $3.13 |
| 14 | JACOBSON ELECTRIC 61644 | 1 | 0 | 1 | $4.87 |
| 15 | ARCH ELECTRIC | 1 | 0 | 1 | $2.52 |
| 16 | TJ ELECTRIC SERVICE | 1 | 0 | 1 | $1.82 |
| 17 | CURRENT ELECTRIC | 1 | 0 | 1 | $6.17 |