PanelCensus

WILLIAM CONSTRUCTION

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Solar installer based in California · installer record #60515 resolved from 16 public installation records.

At a glance

WILLIAM CONSTRUCTION is a solar installer with 16 recorded installations totalling 423 kW, dated 2021 to 2025. All of its records are in California, where it ranks 3447th of 6,010 profiled installers by volume and 5,903rd of 10,537 nationally.

Recorded installs
16
Total capacity
423 kW
DC nameplate
Median system
45 kW
Median price
—
too few priced systems
Third-party owned
0%
lease / PPA
Battery attach
0%
First recorded
2021
Last recorded
2025

Track record

Install volume by year

2021
2
2022
2
2023
2
2024
1
2025
2

Recorded installs per year.

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Mar 15, 2025Sacramento, CA2 kW$3,000—
Mar 15, 2025Sacramento, CA48 kW$95,731—
Jan 17, 2024Orangevale, CA3 kW$5,000—
Jul 11, 2023Sacramento, CA45 kW$90,000—
Feb 28, 2023Sacramento, CA—$700—
Oct 7, 2022Sacramento, CA—$100—
Jun 16, 2022Sacramento, CA2 kW$3,500—
Jun 15, 2021Sacramento, CA—$300—
Jun 2, 2021Sacramento, CA—$200—

See all 16 installations →searchable & filterable; export to CSV with a free account

Service geography

California
16

Busiest cities

Sacramento, CA 14Orangevale, CA 1North Highlands, CA 1

Record

Installer ID
PC-60515
First recorded install
Jun 2, 2021
Last recorded install
Mar 15, 2025
Priced records
0

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How does WILLIAM CONSTRUCTION compare with other installers in California?

By recorded installations WILLIAM CONSTRUCTION ranks 3447th among the 6,010 installers based in California with five or more records. Its median system, 45 kW, is about 7.6 times the state median of 5.9 kW. 0% of its recorded installations are third-party owned (lease or power-purchase agreement), against 29% across California. 0% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include SONRAY SOLAR INC (16), SUPER BROTHERS PLUMBING HEATING & AIR (16) and WILL'S RESOURCE ELECTRIC (16).

How has WILLIAM CONSTRUCTION's installation volume changed?

WILLIAM CONSTRUCTION's earliest dated installation on record is from 2021. It has recorded installations in 5 calendar years. The busiest year was 2021, with 2 installations. 2025, its latest year with records, has 2. The most recent recorded installation is dated Mar 15, 2025.

Where does WILLIAM CONSTRUCTION install solar?

All recorded installations are in California. The cities with the most of its installations are Sacramento, CA (14), Orangevale, CA (1) and North Highlands, CA (1).

Frequently asked questions

How many solar installations has WILLIAM CONSTRUCTION completed?

PanelCensus records 16 installations by WILLIAM CONSTRUCTION, from Jun 2, 2021 to Mar 15, 2025, totalling 423 kW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does WILLIAM CONSTRUCTION charge for solar?

The recorded systems for WILLIAM CONSTRUCTION do not include enough price data to compute a reliable median.

Where does WILLIAM CONSTRUCTION install solar?

All 16 recorded installations are in California, the most of them in Sacramento.

Is WILLIAM CONSTRUCTION still installing solar?

The most recent installation attributed to WILLIAM CONSTRUCTION in the public records is dated Mar 15, 2025; 2025 has 2 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.

Does WILLIAM CONSTRUCTION install leased or PPA solar systems?

0 recorded installations by WILLIAM CONSTRUCTION (0%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.

Does WILLIAM CONSTRUCTION install battery storage?

0 recorded installations by WILLIAM CONSTRUCTION (0%) include a battery.

Related installers and places

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

About this data

Source: Lawrence Berkeley National Laboratory's Tracking the Sun, merged with city permit records, state incentive programs and the USGS U.S. Large-Scale Solar Photovoltaic Database / EIA-860 plant registers, as published July 9, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.

Cite as: PanelCensus, “WILLIAM CONSTRUCTION, solar installer (California)”, https://panelcensus.com/installers/california/william-construction-60515 (data as of July 9, 2026).