Cotati Solar Permit Guide
Pacific Gas & Electric (PG&E) territory · Sonoma County
Overview
GridPermit collects California residential solar and permitting facts directly from official sources (city, county, and state government sites, utilities, and public utilities commissions) and shows only what we can verify, with a confidence score and a link to where it came from. Nothing here is estimated or inferred beyond what's stated below. See our methodology for the rules this page follows.
Permit timeline
Same-day review for eligible expedited-permit projects
No verified standard-path permit timeline is available.
The City's own SolarAPP+ page states 'Licensed contractors can now use SolarAPP+ for instantaneous permitting of eligible residential rooftop photovoltaic systems' and that the platform 'expedites installation with instantaneous permit issuance once you've completed the application process.'
Battery/solar incentive program on record
California SGIP - current category and budget check required
New applications and waitlist applications for ratepayer-funded SGIP budgets closed on December 30, 2025. New AB 209 applications have a June 30, 2028 deadline. The 2026 SGIP rate table publishes $3.10/W for solar and $1.10/Wh for storage in applicable Residential Solar and Storage Equity categories. Household eligibility and live budget availability vary by category and program administrator; check the official Program Metrics tracker before relying on an incentive.
Status on file: unknown. Verify current status before relying on this.
Permit fees
Not yet verified.
Rebates
Not yet verified.
Utility and generation supplier
Utility
Pacific Gas & Electric (PG&E)
Generation supplier
Sonoma Clean Power (Community Choice Aggregator)
Sonoma Clean Power is the public power provider for Sonoma and Mendocino counties, serving all incorporated cities in Sonoma County except Healdsburg (its own municipal utility) and Ukiah (Mendocino County). PG&E continues to deliver the power and provide billing/customer service.
Interconnection
https://www.pge.com/en/save-energy-and-money/rebates-and-incentives/nem.html
PG&E's own utility-wide Net Energy Metering (NEM) program page.
Required documents
Not yet verified.
Inspection steps
- Allow 24-48 business hours after paying for the permit before scheduling an inspection
Eligibility constraints
- Property types: residential
- Max system size (AC): Not yet verified.
- Max system size (DC): Not yet verified.
- Max thermal capacity: Not yet verified.
- Program/pathway: SolarAPP+ (Government Code 65850.5 / Solar Rights Act of 1978 compliant)
- Other conditions:
- Rooftop solar systems require review by the Building Division
Official contacts
- City of Cotati Building Division, phone: 707-665-3636, official website
Need a solar installer who handles permits in Cotati?
EnergySage is an independent solar marketplace where you can request property-specific pricing from installers familiar with local permitting.
Compare quotes from solar installers →You'll continue on EnergySage's website. GridPermit has a partner relationship with EnergySage; this link is not currently tracked, and whether the partnership results in compensation to GridPermit has not yet been confirmed.
Sources
- SolarAPP+, City of Cotati (government). Accessed 2026-08-08.
- Net Energy Metering (NEM), Pacific Gas & Electric (utility). Accessed 2026-08-08.
- Home, Sonoma Clean Power (other_official). Accessed 2026-08-08.
- About, Self-Generation Incentive Program (SGIP) (cpuc). Accessed 2026-08-09.
- 2026 Self-Generation Incentive Program Handbook, Self-Generation Incentive Program Program Administrators (program_administrator). Accessed 2026-08-26.
- SGIP Program Metrics and Incentive Step Tracker, Self-Generation Incentive Program Program Administrators (program_administrator). Accessed 2026-08-26.
Frequently Asked Questions
What utility serves solar customers in Cotati, California?
Pacific Gas & Electric (PG&E) is the interconnection and distribution utility for Cotati. The default electricity generation supplier is Sonoma Clean Power, a Community Choice Aggregator (CCA), separate from Pacific Gas & Electric (PG&E).
How long does an expedited-eligible residential solar permit take in Cotati?
The City's own SolarAPP+ page states 'Licensed contractors can now use SolarAPP+ for instantaneous permitting of eligible residential rooftop photovoltaic systems' and that the platform 'expedites installation with instantaneous permit issuance once you've completed the application process.' No verified standard-path permit timeline is available.
Who do I contact about solar permits in Cotati?
City of Cotati Building Division, phone 707-665-3636.
Related California cities
Other verified cities related to Cotati. See all cities on the California solar permit guide index.
- Healdsburg, City of Healdsburg Electric Department
- Petaluma, Pacific Gas & Electric (PG&E)
- Rohnert Park, Pacific Gas & Electric (PG&E)
- Santa Rosa, Pacific Gas and Electric Company (PG&E)
- Sebastopol, Pacific Gas & Electric (PG&E)
- Sonoma, Pacific Gas & Electric (PG&E)