Solar installer

Hci Solar

Name: Hci Solar
Address: Walnut Creek, CA, 94596, US
Telephone: (925) 350-9890

Based at Walnut Creek, CA 94596. Installed solar on 179 homes since 2023 in California. Installing since 2018. Latest install on record: August 2026.

(925) 350-9890

Homes since 2023: 179
Median price: $3.64/W
Typical system: 8.0 kW
Leased or PPA: 0%

Price

Homes that bought their system from Hci Solar paid a median $3.64/W installed, and the middle half paid $3.39/W–$4.17/W (113 systems since 2023, before incentives). That's $0.43 a watt below the California median of $4.07/W.

23% of its recent systems included a battery.

Where it installs

Counties with homes it installed since 2023, busiest first.

Contra Costa County, CA · 49 Alameda County, CA · 39 Santa Clara County, CA · 35 San Mateo County, CA · 20 San Francisco County, CA · 12 Marin County, CA · 7 Solano County, CA · 4 San Benito County, CA · 3 Sonoma County, CA · 3 Ventura County, CA · 2 Los Angeles County, CA · 1 Napa County, CA · 1 Placer County, CA · 1 Santa Cruz County, CA · 1 Stanislaus County, CA · 1

By state

State	Homes	Median
California	179	$3.64/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.