PanelCensus

Gwerder Construction

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Solar installer based in California · installer record #5713 resolved from 34 public installation records.

At a glance

Gwerder Construction is a solar installer with 34 recorded installations totalling 218 kW, dated 2018 to 2025. All of its records are in California, where it ranks 2524th of 6,220 profiled installers by volume and 4,178th of 10,536 nationally. The median installed price across 33 priced systems is $3.36/W before incentives.

Recorded installs
34
Total capacity
218 kW
DC nameplate
Median system
5.3 kW
≈ $17,500
Median price
$3.36/W
pre-incentive
Third-party owned
0%
lease / PPA
Battery attach
0%
First recorded
2018
Last recorded
2025

Track record

Install volume by year

2018
3$3.30/W
2019
2$3.20/W
2020
4$2.86/W
2021
5$2.88/W
2022
6$5.05/W
2023
9$3.41/W
2024
3$4.47/W
2025
2$1.69/W

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

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Dec 12, 2025Rumsey, CA8 kW$12,000Host-owned
Oct 2, 2025Guinda, CA8 kW$15,000Host-owned
Jul 25, 2024Esparto, CA8.2 kW$53,500Host-owned
May 1, 2024Rumsey, CA3.2 kW$14,500Host-owned
Mar 1, 2024Guinda, CA9.7 kW$42,000Host-owned
Nov 22, 2023Capay, CA5.3 kW$16,500Host-owned
Sep 22, 2023Woodland, CA2.4 kW$11,000Host-owned
Jul 23, 2023Capay, CA4.9 kW$9,900Host-owned
Jul 6, 2023Zamora, CA2.8 kW$12,000Host-owned
Jul 3, 2023Woodland, CA5.6 kW$18,000Host-owned

See all 34 installations →searchable & filterable; export to CSV with a free account

Service geography

California
34

Busiest cities

Woodland, CA 11Capay, CA 6Guinda, CA 4Rumsey, CA 4Esparto, CA 3Winters, CA 2Zamora, CA 2Davis, CA 1

Record

Installer ID
PC-5713
First recorded install
Jan 9, 2018
Last recorded install
Dec 12, 2025
Priced records
33

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How does Gwerder Construction compare with other installers in California?

By recorded installations Gwerder Construction ranks 2524th among the 6,220 installers based in California with five or more records. Its median price of $3.36/W is about 21% below the California median of $4.26/W. Its median system, 5.3 kW, is about 11% below 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 Estero Bay Solar Solutions (34), Forefront Licensing (34) and Green Electric Solar Solutions (34).

How has Gwerder Construction's installation volume changed?

Gwerder Construction's earliest dated installation on record is from 2018. It has recorded installations in 8 calendar years. The busiest year was 2023, with 9 installations. 2025, its latest year with records, has 2. Its median price per watt moved from $3.30/W in 2018 to $1.69/W in 2025. The most recent recorded installation is dated Dec 12, 2025.

Where does Gwerder Construction install solar?

All recorded installations are in California. The cities with the most of its installations are Woodland, CA (11), Capay, CA (6), Guinda, CA (4), Rumsey, CA (4) and Esparto, CA (3).

Frequently asked questions

How many solar installations has Gwerder Construction completed?

PanelCensus records 34 installations by Gwerder Construction, from Jan 9, 2018 to Dec 12, 2025, totalling 218 kW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Gwerder Construction charge for solar?

The median installed price across 33 priced systems is $3.36/W before incentives (median system 5.3 kW, about $17,500). The California median is $4.26/W.

Where does Gwerder Construction install solar?

All 34 recorded installations are in California, the most of them in Woodland.

Is Gwerder Construction still installing solar?

The most recent installation attributed to Gwerder Construction in the public records is dated Dec 12, 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 Gwerder Construction install leased or PPA solar systems?

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

Does Gwerder Construction install battery storage?

0 recorded installations by Gwerder 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 September 21, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.

Cite as: PanelCensus, “Gwerder Construction, solar installer (California)”, https://panelcensus.com/installers/california/gwerder-construction-5713 (data as of September 21, 2026).