Project Solar
Recently activeSolar installer based in California · active in 5 states · installer record #9670 resolved from 237 public installation records.
At a glance
Project Solar is a solar installer with 237 recorded installations totalling 1.9 MW, dated 2021 to 2025. Its records are concentrated in California (101%), where it ranks 828th of 6,220 profiled installers by volume and 1,321st of 10,536 nationally. The median installed price across 234 priced systems is $2.53/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 |
|---|---|---|---|---|
| Jul 22, 2025 | Woodside, CA | 23.1 kW | $92,370 | Host-owned · battery |
| Jun 27, 2025 | Altadena, CA | 4.7 kW | $37,675 | Host-owned · battery |
| May 27, 2025 | San Jose, CA | — | — | Host-owned · battery |
| Apr 2, 2025 | El Granada, CA | 10.4 kW | $45,384 | Host-owned · battery |
| Mar 10, 2025 | San Diego, CA | 10.4 kW | $24,572 | Host-owned · battery |
| Feb 14, 2025 | Irvine, CA | 6.8 kW | $34,900 | Host-owned · battery |
| Feb 11, 2025 | Belmont, CA | 8.6 kW | $21,206 | Host-owned |
| Nov 27, 2024 | AZ | 7.9 kW | $15,721 | — |
| Nov 22, 2024 | Redwood City, CA | 7.1 kW | $18,104 | Host-owned |
| Nov 22, 2024 | Brentwood, CA | 10 kW | $25,083 | Host-owned |
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Service geography
- California
- 239
Busiest cities
Record
- Installer ID
- PC-9670
- First recorded install
- Jul 28, 2021
- Last recorded install
- Jul 22, 2025
- Priced records
- 234
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How does Project Solar compare with other installers in California?
By recorded installations Project Solar ranks 828th among the 6,220 installers based in California with five or more records. Its median price of $2.53/W is about 41% below the California median of $4.26/W (the installer's median covers every state it works in). Its median system, 7.4 kW, is about 25% above 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 Rise Energy (238), Discount Construction Engineering (237) and Merced County Community Action (237).
How has Project Solar's installation volume changed?
Project Solar's earliest dated installation on record is from 2021. It has recorded installations in 5 calendar years. The busiest year was 2023, with 138 installations. 2025, its latest year with records, has 7. Its median price per watt moved from $2.05/W in 2021 to $4.18/W in 2025. The most recent recorded installation is dated Jul 22, 2025.
Where does Project Solar install solar?
Recorded installations span 5 states: California (239, 101%), Wisconsin (7, 3%), Arizona (2, under 1%) and Colorado (1, under 1%). The cities with the most of its installations are San Diego, CA (44), San Jose, CA (9), Fremont, CA (6), Oceanside, CA (6) and Carlsbad, CA (4).
Frequently asked questions
How many solar installations has Project Solar completed?
PanelCensus records 237 installations by Project Solar, from Jul 28, 2021 to Jul 22, 2025, totalling 1.9 MW of capacity. Public reporting varies by state, so the company's true total may be higher.
What does Project Solar charge for solar?
The median installed price across 234 priced systems is $2.53/W before incentives (median system 7.4 kW, about $18,348). The California median is $4.26/W.
Where does Project Solar install solar?
Recorded installs span 5 states, led by California (239), Wisconsin (7) and Arizona (2). Its busiest city is San Diego, CA.
Is Project Solar still installing solar?
The most recent installation attributed to Project Solar in the public records is dated Jul 22, 2025; 2025 has 7 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.
Does Project Solar install leased or PPA solar systems?
0 recorded installations by Project Solar (0%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.
Does Project Solar install battery storage?
24 recorded installations by Project Solar (10%) include a battery.
Related installers and places
- All solar installers in California· 6,220 profiles
- Solar installations in California· 2,413,021 records
- Rise Energy· 238 installations
- Discount Construction Engineering· 237 installations
- Merced County Community Action· 237 installations
- Southern California Energy Alternatives· 237 installations
- Frida Good· 237 installations
- Ronco Solar Power· 236 installations
- Solar in Wisconsin· 7 by Project Solar
- Solar in Arizona· 2 by Project Solar
- Solar in Colorado· 1 by Project Solar
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, “Project Solar, solar installer (California)”, https://panelcensus.com/installers/california/project-solar-9670 (data as of September 21, 2026).