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Solar installer

Final Phase Energy

Based at Oceanside, CA 92056. Installed solar on 17 homes since 2023 in California. Installing since 2019. Latest install on record: May 2026.

Homes since 2023
17
Median price
$3.31/W
Typical system
5.5 kW
Leased or PPA
0%

Price

Homes that bought their system from Final Phase Energy paid a median $3.31/W installed, and the middle half paid $3.09/W–$3.91/W (12 systems since 2023, before incentives). That's $0.76 a watt below the California median of $4.07/W.

24% of its recent systems included a battery.

Where it installs

Counties with homes it installed since 2023, busiest first.