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California solar decisions
Solar Companies in Watsonville, CA: Who Installed the Most Systems in 2025
Utility records show 181 home solar systems connected in Watsonville in 2025. Sunrun was the installer of record on 69 of them, followed by Bright Ops (29) and Allterra Solar (15). The table lists each company's CSLB license number. It is a count from public records, not a ranking or endorsement: check each license and get at least three quotes.
California Rate Relief is a private solar referral service.
Key facts
- Electric utility
- PG&E
- 33.7¢/kWh average residential rate, CPUC
- CPUC Public Advocates Officechecked Sep 22, 2026
Installers who connected the most home solar systems in Watsonville in 2025
| Installer (name as reported) | Systems in 2025 | Jan 2024 to May 2026 | CSLB license |
|---|---|---|---|
| Sunrun | 69 | 111 | 750184 check |
| Bright Ops | 29 | 57 | 1020761 check |
| Allterra Solar | 15 | 49 | 847973 check |
| Citadel Roofing and Solar | 8 | 11 | 647149 check |
| Tesla Energy Operations Inc | 6 | 14 | 888104 check |
| Lytegen | 5 | 6 | 1130477 check |
| Scudder Solar Electrical Energy Systems | 4 | 7 | 902095 check |
| Bright Future Energy | 3 | 3 | 996617 check |
Counts from utility records, not a ranking or endorsement. Check each license's status and complaint history on the CSLB's Check a License page (checked Sept. 24, 2026).
Source: California Distributed Generation Statistics (CPUC), Interconnected Project Sites data set, data through May 31, 2026 (checked Sept. 24, 2026).
Home solar in Watsonville by the numbers
PG&E approved 181 home solar systems in Watsonville in 2025, from 36 installers; the top three were named on 62% of them. The busiest year since 2021 was 2023, with 221 (2025: -18%). Another 63 were approved from January through May 2026.
2025 mix: 62% leased or on a power purchase agreement, 38% owned by the household; 59% with a battery; median size 4.54 kW DC. Santa Cruz County: 29% leased or PPA, 39% with a battery, median 5.46 kW.
| Year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Systems connected | 106 | 156 | 221 | 169 | 181 |
Who connects a Watsonville solar system
PG&E connected every Watsonville system in the 2025 records. A new Watsonville system on PG&E goes on the CPUC Net Billing Tariff; the key facts above give PG&E's average rate.
Verify the company behind the Watsonville quote
Match the business name and license number on each Watsonville proposal to the CSLB record, then use our contractor verification steps, the quote comparison guide and the PPA, loan, lease and cash comparison. What you pay the utility today is on the Watsonville rates and bills page.
Permit fees and the filing route are on the Watsonville solar cost and permit page.
Before you sign anything in Watsonville
Two of the contract terms that most often change what a quote really costs.
Frequently asked questions
Which solar companies install the most systems in Watsonville?
In 2025 interconnection records, Sunrun was the installer on 69 home systems in Watsonville, Bright Ops on 29 and Allterra Solar on 15, out of 181. Since January 2024 the same companies were named on 111, 57, 49 systems. That is a count, not a ranking.
Do most Watsonville homeowners buy or lease their solar?
Of 181 home systems connected in Watsonville in 2025, 62% were leased or on a power purchase agreement and 59% had a battery; the median size was 4.54 kW DC.
How do I check a Watsonville solar company's license?
Look the number up on the CSLB's Check a License page. For the companies named on the most Watsonville systems in 2025, the applications list 750184 for Sunrun, 1020761 for Bright Ops and 847973 for Allterra Solar. The CSLB record shows the status, classification and any complaint disclosure.
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