PanelCensus

Solar developer

JAMES E WILLIAMS & SON INC

19 recorded solar installations developed by JAMES E WILLIAMS & SON INC — mostly in California.

Dataset updated . Sources: LBNL Tracking the Sun + permits + state programs + USGS/EIA utility-scale.

Installations developed
19
Total capacity
207 kW
DC nameplate
States
1
Median size
8.5 kW
Median $/W
$2.00/W
pre-incentive
Third-party owned
0%
lease / PPA

Growth

Installations by year

2023
2
2025
9
2026
2

Latest records

Most recent recorded installs

DateLocationSize$/WSegment
Jan 29, 2026No# 4, CA3 kW$2.00/WCOM
Jan 29, 2026No# 22, CA——COM
May 28, 2025Sacramento, CA17 kW$2.00/WCOM
May 27, 2025Sacramento, CA23 kW$1.96/WCOM
May 9, 2025Sac, CA23 kW$1.96/WCOM
May 9, 2025Sacramento, CA25 kW$1.96/WCOM
May 9, 2025Sacramento, CA25 kW$1.96/WCOM
May 9, 2025Sacramento, CA17 kW$2.00/WCOM
May 9, 2025Sacramento, CA4 kW$2.13/WCOM
Apr 15, 2025Sacramento, CA4 kW$2.13/WCOM

See all 19 installations →searchable & filterable; export to CSV with a free account

Service geography

Frequently asked questions

How many solar installations has JAMES E WILLIAMS & SON INC developed?

PanelCensus records 19 installations developed by JAMES E WILLIAMS & SON INC, from Jun 12, 2023 to Jan 29, 2026, totalling 207 kW of capacity across 1 state. Coverage varies by state, so actual totals may be higher.

Where does JAMES E WILLIAMS & SON INC operate?

Most recorded activity is in California (19).