Ontario, WI solar installation & market data
Updated September 12, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Ontario has 13 solar installations across 1 zip code at a median installed cost of $2.80/W, recent growth not yet measurable, and an installs-weighted Market Score of 50.
Active installations
13
Zip markets
1
Median cost
$2.80/W
12-mo growth
—
Installers active
5
City Market Score
Excellent · installs-weighted across 1 zips
Best zip in Ontario scores higher than 90% of U.S. zip markets.
Versus Wisconsin
How Ontario compares with the state
Installed cost
$0.72/W below
state median $3.52/W
Market score
50 vs 41
Wisconsin scores 41
Share of state installs
0.06%
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
Ontario by year
5 installs in the trailing twelve months vs 3 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Ontario
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | ETHOS GREEN POWER | 7 | 2 | 1 | $2.63 |
| 2 | OLSON SOLAR ENERGY | 3 | 2 | 1 | $3.59 |
| 3 | DRIFTLESS SOLAR | 1 | 0 | 1 | $4.99 |
| 4 | LAUFENBERG ENTERPRISE | 1 | 0 | 1 | $1.60 |
| 5 | MOXIE SOLAR | 1 | 0 | 1 | $2.47 |
Zip markets
Zips in Ontario
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 54651 | 13 | $2.80 | 50 B |