PanelCensus

Don Barch

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Solar installer based in California · installer record #3680 resolved from 92 public installation records.

At a glance

Don Barch is a solar installer with 92 recorded installations totalling 617 kW, dated 2004 to 2025. All of its records are in California, where it ranks 1511th of 6,220 profiled installers by volume and 2,462nd of 10,536 nationally. The median installed price across 88 priced systems is $4.16/W before incentives.

Recorded installs
92
Total capacity
617 kW
DC nameplate
Median system
5.3 kW
≈ $23,390
Median price
$4.16/W
pre-incentive · 88 priced
Third-party owned
1%
lease / PPA
Battery attach
15%
First recorded
2004
Last recorded
2025

Track record

Install volume by year

2004
1
2009
12$6.26/W
2010
9$4.86/W
2011
2$4.82/W
2012
5$3.79/W
2013
2$4.32/W
2014
2
2015
1
2019
1$2.63/W
2020
4$4.46/W
2021
7$2.45/W
2022
19$3.12/W
2023
11$3.36/W
2024
11$2.67/W
2025
6$4.33/W

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

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Dec 26, 2025Sebastopol, CA1.8 kW$4,189Host-owned
Nov 6, 2025Sebastopol, CA17.1 kW$28,800Host-owned
Jul 22, 2025Santa Rosa, CA3.4 kW$22,860Host-owned · battery
Jul 18, 2025Healdsburg, CA6.9 kW$30,450Host-owned · battery
Apr 1, 2025Richmond, CA2.8 kW$21,060Host-owned
Feb 17, 2025Healdsburg, CA8 kW$33,940Host-owned · battery
Dec 30, 2024Santa Rosa, CA4.9 kW$28,540Host-owned · battery
Dec 26, 2024Petaluma, CA6.7 kW$17,300Host-owned
Jul 24, 2024San Rafael, CA7.3 kW$27,620Host-owned · battery
Jul 22, 2024Sebastopol, CA6.7 kW$17,850Host-owned

See all 92 installations →searchable & filterable; export to CSV with a free account

Service geography

California
93

Busiest cities

Santa Rosa, CA 15Petaluma, CA 14Sebastopol, CA 11Windsor, CA 6Rohnert Park, CA 5Healdsburg, CA 4Novato, CA 4

Record

Installer ID
PC-3680
First recorded install
Dec 8, 2004
Last recorded install
Dec 26, 2025
Priced records
88

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How does Don Barch compare with other installers in California?

By recorded installations Don Barch ranks 1511th among the 6,220 installers based in California with five or more records. Its median price of $4.16/W is roughly in line with the California median of $4.26/W. Its median system, 5.3 kW, is about 11% below the state median of 5.9 kW. 1% of its recorded installations are third-party owned (lease or power-purchase agreement), against 29% across California. 15% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include Smart Solar Design Construction LLC (93), Modern Solar Electric (93) and Celestial Solar (92).

How has Don Barch's installation volume changed?

Don Barch's earliest dated installation on record is from 2004. It has recorded installations in 15 calendar years. The busiest year was 2022, with 19 installations. 2025, its latest year with records, has 6. Its median price per watt moved from $6.26/W in 2009 to $4.33/W in 2025. The most recent recorded installation is dated Dec 26, 2025.

Where does Don Barch install solar?

All recorded installations are in California. The cities with the most of its installations are Santa Rosa, CA (15), Petaluma, CA (14), Sebastopol, CA (11), Windsor, CA (6) and Rohnert Park, CA (5).

Frequently asked questions

How many solar installations has Don Barch completed?

PanelCensus records 92 installations by Don Barch, from Dec 8, 2004 to Dec 26, 2025, totalling 617 kW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Don Barch charge for solar?

The median installed price across 88 priced systems is $4.16/W before incentives (median system 5.3 kW, about $23,390). The California median is $4.26/W.

Where does Don Barch install solar?

All 92 recorded installations are in California, the most of them in Santa Rosa.

Is Don Barch still installing solar?

The most recent installation attributed to Don Barch in the public records is dated Dec 26, 2025; 2025 has 6 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.

Does Don Barch install leased or PPA solar systems?

1 recorded installation by Don Barch (1%) is third-party owned — a lease or power-purchase agreement; across California the share is 29%.

Does Don Barch install battery storage?

14 recorded installations by Don Barch (15%) 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, “Don Barch, solar installer (California)”, https://panelcensus.com/installers/california/don-barch-3680 (data as of September 21, 2026).