South San Francisco Solar Permit Guide
Pacific Gas and Electric Company (PG&E) territory · San Mateo 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.
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 and Electric Company (PG&E)
Generation supplier
WestLight Energy (formerly Peninsula Clean Energy) - ECOplus (default) (Community Choice Aggregator)
Confirmed directly via the City of South San Francisco's own 'Renewable Energy from WestLight Energy' page: 'Under California law, all residents and businesses in South San Francisco, and throughout the county, are automatically enrolled in WestLight Energy.' The default plan is ECOplus (at least 50% renewable). Residents may opt out back to PG&E generation.
Interconnection
PG&E's own Net Energy Metering (NEM) program page — a utility-wide fact already established for other PG&E-territory records in this dataset.
Required documents
- SolarAPP+ account registration, plus an active City of South San Francisco Business License (required before submitting) (required when: always)
- Approved plans, certificate, and permit number obtained from SolarAPP+ (or a SolarAPP+ non-support confirmation letter, if applicable) (required when: always)
Inspection steps
- Request an inspection by calling the Building Division main line at (650) 829-6670, option #1
- Have all approved paperwork plus the permit and inspection card printed and present on-site for the inspector
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+ (residential only; licensed contractors/installers) / regular Building Permit with Plan Check (non-licensed/owner-builders, and all other Solar/PV installations)
- Other conditions:
- Only licensed contractors or installers may use SolarAPP+; non-licensed/owner-builders must apply for a regular Building Permit with Plan Check
- Must conform to the SolarAPP+ Eligibility Checklist to use the automated portal
Official contacts
- City of South San Francisco Building Division, phone: (650) 829-6670, official website
- SolarAPP+ team (application/configuration support), email: team@solar-app.org, official website
- SGIP Program Administrator (PG&E territory), official website
Need a solar installer who handles permits in South San Francisco?
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
- Solar App+ (Residential Solar Permit Process), City of South San Francisco (government). Accessed 2026-08-05.
- Renewable Energy from WestLight Energy, City of South San Francisco (government). Accessed 2026-08-05.
- Net Energy Metering (NEM) Program, Pacific Gas and Electric Company (utility). Accessed 2026-08-05.
- SGIP - Statewide Announcements / About, Self-Generation Incentive Program (statewide administrator site) (program_administrator). Accessed 2026-08-01.
- SGIP - Contact, Self-Generation Incentive Program (statewide administrator site) (program_administrator). Accessed 2026-08-01.
- 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 South San Francisco, California?
Pacific Gas and Electric Company (PG&E) is the interconnection and distribution utility for South San Francisco. The default electricity generation supplier is WestLight Energy (formerly Peninsula Clean Energy) - ECOplus (default), a Community Choice Aggregator (CCA), separate from Pacific Gas and Electric Company (PG&E).
What documents are required for a solar permit in South San Francisco?
Commonly required documents include: SolarAPP+ account registration, plus an active City of South San Francisco Business License (required before submitting); Approved plans, certificate, and permit number obtained from SolarAPP+ (or a SolarAPP+ non-support confirmation letter, if applicable).
Who do I contact about solar permits in South San Francisco?
City of South San Francisco Building Division, phone (650) 829-6670.
Related California cities
Other verified cities related to South San Francisco. See all cities on the California solar permit guide index.
- Atherton, Pacific Gas & Electric (PG&E)
- Belmont, Pacific Gas & Electric (PG&E)
- Burlingame, Pacific Gas and Electric Company (PG&E)
- Daly City, Pacific Gas and Electric Company (PG&E)
- East Palo Alto, Pacific Gas and Electric Company (PG&E)
- Foster City, Pacific Gas & Electric (PG&E)