Solar installer

1St Light Energy

Name: 1St Light Energy
Address: Manteca, CA, 95336, US
Telephone: (209) 824-5500

Based at Manteca, CA 95336. Installed solar on 65 homes since 2023 in 2 states. Installing since 2007. Latest install on record: May 2026.

(209) 824-5500

Homes since 2023: 65
Median price: $2.91/W
Typical system: 8.8 kW
Leased or PPA: 0%

Price

Homes that bought their system from 1St Light Energy paid a median $2.91/W installed, and the middle half paid $2.43/W–$4.00/W (51 systems since 2023, before incentives). That's $1.16 a watt below the California median of $4.07/W.

9% of its recent systems included a battery.

Where it installs

Counties with homes it installed since 2023, busiest first.

San Joaquin County, CA · 24 Stanislaus County, CA · 12 Kern County, CA · 6 Tuolumne County, CA · 5 Los Angeles County, CA · 4 Contra Costa County, CA · 2 Orange County, CA · 2 Solano County, CA · 2 Alameda County, CA · 1 Butte County, CA · 1 Fresno County, CA · 1 Madera County, CA · 1 Richmond County, NY · 1 San Bernardino County, CA · 1 San Mateo County, CA · 1 Sonoma County, CA · 1

By state

State	Homes	Median
California	64	$2.91/W
New York	1	—
Arizonalast in 2021	0	—
Connecticutlast in 2019	0	—
Massachusettslast in 2021	0	—
New Jerseylast in 2022	0	—
Rhode Islandlast in 2019	0	—

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.