Solar installer

United Solar Electric

Name: United Solar Electric
Address: Brentwood, CA, 94513, US
Telephone: (925) 679-4665

Based at Brentwood, CA 94513. Installed solar on 433 homes since 2023 in California. Installing since 2014. Latest install on record: August 2026.

(925) 679-4665

Homes since 2023: 433
Median price: $3.50/W
Typical system: 7.2 kW
Leased or PPA: 0%

Price

Homes that bought their system from United Solar Electric paid a median $3.50/W installed, and the middle half paid $3.20/W–$4.49/W (179 systems since 2023, before incentives). That's $0.57 a watt below the California median of $4.07/W.

45% of its recent systems included a battery.

Where it installs

Counties with homes it installed since 2023, busiest first.

Contra Costa County, CA · 187 Alameda County, CA · 110 Santa Clara County, CA · 74 San Joaquin County, CA · 22 Solano County, CA · 15 San Mateo County, CA · 12 Marin County, CA · 5 Napa County, CA · 2 Sonoma County, CA · 2 Los Angeles County, CA · 1 Santa Cruz County, CA · 1 Stanislaus County, CA · 1 Ventura County, CA · 1

By state

State	Homes	Median
California	433	$3.50/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.