Solar installer

Sunvault

Name: Sunvault
Address: Fremont, CA, 94555, US
Telephone: (240) 515-5671

Based at Fremont, CA 94555. Installed solar on 372 homes since 2023 in California. Installing since 2019. Latest install on record: August 2026.

(240) 515-5671

Homes since 2023: 372
Median price: $3.05/W
Typical system: 8.3 kW
Leased or PPA: 0%

Price

Homes that bought their system from Sunvault paid a median $3.05/W installed, and the middle half paid $2.88/W–$3.34/W (226 systems since 2023, before incentives). That's $1.02 a watt below the California median of $4.07/W.

38% of its recent systems included a battery.

Where it installs

Counties with homes it installed since 2023, busiest first.

Santa Clara County, CA · 183 Alameda County, CA · 99 San Mateo County, CA · 56 Contra Costa County, CA · 21 Marin County, CA · 2 Monterey County, CA · 2 Napa County, CA · 2 San Francisco County, CA · 2 El Dorado County, CA · 1 San Benito County, CA · 1 San Joaquin County, CA · 1 Santa Cruz County, CA · 1 Sonoma County, CA · 1

By state

State	Homes	Median
California	372	$3.05/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.