Harmon Construction
No recent recordsSolar installer based in California · installer record #5801 resolved from 10 public installation records.
At a glance
Harmon Construction is a solar installer with 10 recorded installations totalling 48 kW, dated 2019 to 2020. All of its records are in California, where it ranks 4359th of 6,220 profiled installers by volume and 7,332nd of 10,536 nationally. The median installed price across 10 priced systems is $3.88/W before incentives.
Track record
Install volume by year
Bars: recorded installs · right column: this installer's median $/W that year.
Latest records
Most recent recorded installs
| Date | Location | Size | Price | Ownership |
|---|---|---|---|---|
| Feb 21, 2020 | Windsor, CA | 5.6 kW | $21,000 | Host-owned |
| Jan 24, 2020 | Santa Rosa, CA | 3.7 kW | $15,000 | Host-owned |
| Jan 21, 2020 | Acampo, CA | 7.2 kW | $38,000 | Host-owned |
| Jan 6, 2020 | Los Osos, CA | 3.1 kW | $11,499 | Host-owned |
| Dec 26, 2019 | Corte Madera, CA | 4.3 kW | $17,280 | Host-owned · battery |
| Dec 13, 2019 | Benicia, CA | 6.5 kW | $44,508 | Host-owned |
| Dec 5, 2019 | Petaluma, CA | 3.7 kW | $13,480 | Host-owned |
| Dec 2, 2019 | Los Osos, CA | 5.4 kW | $37,106 | Host-owned |
| Oct 1, 2019 | Santa Rosa, CA | 4.7 kW | $14,062 | Host-owned |
| Sep 23, 2019 | Lotus, CA | 4.3 kW | $11,718 | Host-owned |
Service geography
Busiest cities
Record
- Installer ID
- PC-5801
- First recorded install
- Sep 23, 2019
- Last recorded install
- Feb 21, 2020
- Priced records
- 10
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How does Harmon Construction compare with other installers in California?
By recorded installations Harmon Construction ranks 4359th among the 6,220 installers based in California with five or more records. Its median price of $3.88/W is roughly in line with the California median of $4.26/W. Its median system, 4.5 kW, is about 24% 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. 10% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include Greenbuilt (10), Gregg Electric (10) and Hankins Group (10).
How has Harmon Construction's installation volume changed?
Harmon Construction's earliest dated installation on record is from 2019. It has recorded installations in 2 calendar years. The busiest year was 2019, with 6 installations. 2020, its latest year with records, has 4. Its median price per watt moved from $3.81/W in 2019 to $3.90/W in 2020. The most recent recorded installation is dated Feb 21, 2020. No installation in the public records is dated within the last three years.
Where does Harmon Construction install solar?
All recorded installations are in California. The cities with the most of its installations are Santa Rosa, CA (2), Los Osos, CA (2), Corte Madera, CA (1), Petaluma, CA (1) and Windsor, CA (1).
Frequently asked questions
How many solar installations has Harmon Construction completed?
PanelCensus records 10 installations by Harmon Construction, from Sep 23, 2019 to Feb 21, 2020, totalling 48 kW of capacity. Public reporting varies by state, so the company's true total may be higher.
What does Harmon Construction charge for solar?
The median installed price across 10 priced systems is $3.88/W before incentives (median system 4.5 kW, about $16,140). The California median is $4.26/W.
Where does Harmon Construction install solar?
All 10 recorded installations are in California, the most of them in Santa Rosa.
Is Harmon Construction still installing solar?
The most recent installation attributed to Harmon Construction in the public records is dated Feb 21, 2020; 2020 has 4 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.
Does Harmon Construction install leased or PPA solar systems?
0 recorded installations by Harmon Construction (0%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.
Does Harmon Construction install battery storage?
1 recorded installation by Harmon Construction (10%) includes a battery.
Related installers and places
- All solar installers in California· 6,220 profiles
- Solar installations in California· 2,413,021 records
- Greenbuilt· 10 installations
- Gregg Electric· 10 installations
- Hankins Group· 10 installations
- Inderjit S Toor Construction· 10 installations
- Joe Fortuna Electric· 10 installations
- Jonathan Segal Architect· 10 installations
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, “Harmon Construction, solar installer (California)”, https://panelcensus.com/installers/california/harmon-construction-5801 (data as of September 21, 2026).