Suisun City Solar Permit Guide
Pacific Gas & Electric (PG&E) territory · Solano 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
0–3 days
Suisun City Municipal Code Section 15.04.390(F)(1): 'The building official shall issue a building permit or other nondiscretionary permit the same day for applications that meet the requirements of the approved checklist or within three business days for electronic applications after receipt of a complete application.'
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
Pacific Gas & Electric (PG&E) (utility)
Directly re-verified this session via MCE's own service-area page, which explicitly lists its Solano County service as exactly four communities: Benicia, Fairfield, Vallejo, and unincorporated Solano County. Suisun City is not among them, and no other CCA was found serving Solano County. PG&E is recorded as both the distribution and generation utility.
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
- Checklist adopted by the Building Official, substantially conforming to the California Solar Permitting Guidebook (required when: always)
Inspection steps
- Inspections may be requested by calling 707-421-7319 or through the online permit portal; scheduling is the responsibility of the permittee
- The inspection card must be on-site at the time of inspection
- No work beyond the point of each successive inspection may proceed without prior approval from the Building Division
This is the City's general Building Division inspection process (the same page covers all building permit types, including solar); the City does not publish a separate, solar-specific inspection sequence.
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: Standard solar permitting under the city's Renewable Energy-Solar ordinance (Chapter 18.60)
- Other conditions:
- Applies to all zoning districts in the city except Open Space (OS)
- Solar panels and solar thermal tanks must be mounted no more than 10 inches from the roof surface
- Based on the city's latitude, fixed-angle solar panels should be mounted at a 31-32 degree angle to horizontal
Official contacts
- Suisun City Building Department, official website
Need a solar installer who handles permits in Suisun City?
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
- Building Department, Suisun City (government). Accessed 2026-08-08.
- Net Energy Metering (NEM), Pacific Gas & Electric (utility). Accessed 2026-08-08.
- About, Self-Generation Incentive Program (SGIP) (cpuc). Accessed 2026-08-09.
- Service Area, MCE (Marin Clean Energy) (other_official). Accessed 2026-08-10.
- Get a Building Permit, Suisun City (government). Accessed 2026-08-10.
- Section 15.04.390 - Residential solar projects (Suisun City Municipal Code, Title 15 - Buildings and Construction), City of Suisun City (via Municode official code host) (government). Accessed 2026-08-11.
- 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 Suisun City, California?
Pacific Gas & Electric (PG&E) is the interconnection and distribution utility for Suisun City. The default electricity generation supplier is Pacific Gas & Electric (PG&E), a utility, separate from Pacific Gas & Electric (PG&E).
How long does a residential solar permit take in Suisun City?
Suisun City Municipal Code Section 15.04.390(F)(1): 'The building official shall issue a building permit or other nondiscretionary permit the same day for applications that meet the requirements of the approved checklist or within three business days for electronic applications after receipt of a complete application.'
What documents are required for a solar permit in Suisun City?
Commonly required documents include: Checklist adopted by the Building Official, substantially conforming to the California Solar Permitting Guidebook.
Who do I contact about solar permits in Suisun City?
Suisun City Building Department.
Related California cities
Other verified cities related to Suisun City. See all cities on the California solar permit guide index.