Solar installer
21St Century Solar
Based at Corona, CA 92882. Installed solar on 74 homes since 2023 in California. Installing since 2021. Latest install on record: April 2026.
- Homes since 2023
- 74
- Median price
- $3.63/W
- Typical system
- 7.2 kW
- Leased or PPA
- 0%
Price
Homes that bought their system from 21St Century Solar paid a median $3.63/W installed, and the middle half paid $3.48/W–$4.47/W (47 systems since 2023, before incentives). That's $0.44 a watt below the California median of $4.07/W.
19% of its recent systems included a battery.
Where it installs
Counties with homes it installed since 2023, busiest first.