Solar installer

ESP Contracting

Name: ESP Contracting
Address: Torrance, CA, 90502, US
Telephone: (866) 865-4559

Based at Torrance, CA 90502. Installed solar on 6,003 homes since 2023 in California. Installing since 2014. Latest install on record: August 2026.

(866) 865-4559

Homes since 2023: 6,003
Median price: $4.23/W
Typical system: 7.0 kW
Leased or PPA: 43%

Price

Homes that bought their system from ESP Contracting paid a median $4.23/W installed, and the middle half paid $3.64/W–$5.46/W (2,387 systems since 2023, before incentives). That's $0.16 a watt above 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.

Los Angeles County, CA · 1,494 San Bernardino County, CA · 1,073 Riverside County, CA · 933 Orange County, CA · 449 Ventura County, CA · 344 Kern County, CA · 254 Contra Costa County, CA · 171 Tulare County, CA · 142 Alameda County, CA · 133 Santa Clara County, CA · 119 Fresno County, CA · 114 San Joaquin County, CA · 80 San Mateo County, CA · 58 Monterey County, CA · 57 Santa Barbara County, CA · 50 Merced County, CA · 44 Solano County, CA · 44 Placer County, CA · 43 San Luis Obispo County, CA · 43 Madera County, CA · 41 Sonoma County, CA · 35 Kings County, CA · 34 San Francisco County, CA · 31 Marin County, CA · 19 Yolo County, CA · 19 Yuba County, CA · 16 Napa County, CA · 15 Amador County, CA · 14 El Dorado County, CA · 14 Butte County, CA · 13 San Benito County, CA · 12 Calaveras County, CA · 10 Stanislaus County, CA · 10 Santa Cruz County, CA · 9 Tuolumne County, CA · 9 Humboldt County, CA · 8 Lake County, CA · 7 Sutter County, CA · 6 Mendocino County, CA · 5 Nevada County, CA · 5 Shasta County, CA · 5 Colusa County, CA · 4 Tehama County, CA · 4 Glenn County, CA · 1 Imperial County, CA · 1 Sacramento County, CA · 1

By state

State	Homes	Median
California	6,003	$4.23/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.