PanelCensus

JAMES E WILLIAMS & SON INC

Recently active

Solar installer based in California · installer record #42964 resolved from 19 public installation records.

Recorded installs
19
Total capacity
207 kW
DC nameplate
Median system
8.5 kW
≈ $17,000
Median price
$2.00/W
pre-incentive
Third-party owned
0%
lease / PPA
Battery attach
0%
First recorded
2023
Last recorded
2026

Track record

Install volume by year

2023
2$2.00/W
2025
9$2.00/W
2026
2$2.00/W

Bars: recorded installs · right column: this installer's median $/W that year.

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Jan 29, 2026No# 4, CA3 kW$6,000
Jan 29, 2026No# 22, CA$0
May 28, 2025Sacramento, CA17 kW$34,000
May 27, 2025Sacramento, CA23 kW$45,000
May 9, 2025Sacramento, CA4 kW$8,500
May 9, 2025Sacramento, CA17 kW$34,000
May 9, 2025Sacramento, CA25 kW$49,000
May 9, 2025Sac, CA23 kW$45,000
May 9, 2025Sacramento, CA25 kW$49,000
Apr 15, 2025Sacramento, CA5 kW$10,000

Service geography

Busiest cities

Sacramento, CA 14No# 4, CA 3Sac, CA 1No# 22, CA 1

Record

Installer ID
PC-42964
First recorded install
Jun 12, 2023
Last recorded install
Jan 29, 2026
Priced records
18

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Frequently asked questions

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

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

What does JAMES E WILLIAMS & SON INC charge for solar?

The median installed price across 18 priced systems is $2.00/W pre-incentive (median system 8.5 kW, ≈ $17,000). Third-party-owned (lease/PPA) share: 0%.

Where does JAMES E WILLIAMS & SON INC install solar?

Recorded installs span 1 state, led by California (19).

Dataset updated . Sources: LBNL Tracking the Sun + permit and program records; installer resolved by exact-normalized name matching.