Solar installer

Jolma Electric

Installed solar on 74 homes since 2023 in Wisconsin. Installing since 2020. Latest install on record: July 2025.

Homes since 2023: 74
Median price: $5.29/W
Typical system: 7.4 kW
Leased or PPA: 0%

Price

Homes that bought their system from Jolma Electric paid a median $5.29/W installed, and the middle half paid $4.28/W–$6.10/W (40 systems since 2023, before incentives). That's $1.37 a watt above the Wisconsin median of $3.92/W.

By state

State	Homes	Median
Wisconsin	74	$5.29/W

Homes installed since 2023.

Installed prices and installers from public installation records: Lawrence Berkeley National Laboratory’s Tracking the Sun (systems installed through 2025) and state program files from California, New York, New Jersey, Connecticut, Illinois and Oregon, which run into 2026. Prices are in dollars per watt of panel capacity (DC), before rebates and tax credits, for homes that bought their system; leased systems and systems with batteries are left out.

Price

Where it installs