Solar installer

Roi Solar Power

Name: Roi Solar Power
Address: Lodi, CA, 95242, US
Telephone: (209) 600-4433

Based at Lodi, CA 95242. Installed solar on 26 homes since 2023 in California. Installing since 2021. Latest install on record: August 2026.

(209) 600-4433

Homes since 2023: 26
Median price: —
Typical system: 7.6 kW
Leased or PPA: 15%

Price

Public records don’t show enough systems bought outright from Roi Solar Power (at least 10) for a price. Ask for a quote in dollars per watt to compare it with the California median.

62% of its recent systems included a battery.

Where it installs

Counties with homes it installed since 2023, busiest first.

Alameda County, CA · 10 Santa Clara County, CA · 6 San Mateo County, CA · 3 Solano County, CA · 2 Calaveras County, CA · 1 Contra Costa County, CA · 1 San Joaquin County, CA · 1 Santa Cruz County, CA · 1 Stanislaus County, CA · 1

By state

State	Homes	Median
California	26	—

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.