Solar Energy in Solano County, CA (2026)

1 county-level rule, plus city-specific rules for 3 cities in Solano County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Solano County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Panel Permits

Small residential rooftop solar systems in unincorporated Solano County go through a dedicated streamlined process under Code Sec. 6.3-16.030. Applicants submit the state's standard checklist and plans electronically, staff reviews for local, state, and federal health and safety compliance, and approval cannot be conditioned on HOA sign-off.

Solano County Solar Panel Permit Process

Light Restrictions

Solano County Code Sec. 6.3-16.030 (Small Residential Rooftop Solar Energy Systems - Application Process)

The application for a small residential rooftop solar energy system shall include the checklist and applicable standard plan contained in the most current version of the California Solar Permitting Guidebook adopted by the Governor's Office of Planning and Research. (b) The application, including the checklist and plans, shall be available to the public on the county website. Applications shal...

Full ordinance details →Official source ↗

Solar Energy by City in Solano County

3 cities in Solano County have their own solar energy rules. Each link goes to that city's dedicated page with code citations.

VallejoPop. 126,090

2 verified rules • HOA Restrictions, Panel Permits

FairfieldPop. 119,881

2 verified rules • Expedited Solar Permitting, Panel Permits

VacavillePop. 102,386

2 verified rules • Expedited Solar Permitting, Panel Permits

All Solano County ordinances

See every category we cover for Solano County: parking, noise, fences, fires, animals, pools, and more.

Solano County Ordinance Hub →