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California / Local permit guide

South San Francisco Solar Permit Guide

Your local requirements. The official sources. A clearer next step.

Electric utility
Pacific Gas and Electric Company (PG&E)Source linked
See your permit path

San Mateo County · Explore related utility guides

Source healthLast verified 2026-08-057 official sources4 of 6 core facts verified
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Informational only. This page is not legal, engineering, or permit advice. Every fact below links to the official source it came from and shows how confident we are in it. Verify current requirements with City of South San Francisco Building Division and PG&E before making a decision.

Research coverage

Your permit path,
at a glance.

This shows what GridPermit has verified for South San Francisco. It does not show the status of a specific project.

  1. 01Permit authorityCity of South San Francisco Building DivisionAuthority sourced
  2. 02DocumentsChecklist includes conditional itemsConditions apply
  3. 03InspectionInspection guidance for South San FranciscoSteps sourced
  4. 04Utility & PTOPacific Gas and Electric Company (PG&E)Utility path sourced

01 / Know your path

Two approvals.
One project.

Local authority

Permit & inspection

City of South San Francisco Building Division

Local requirements
Electric utility

Interconnection & PTO

Pacific Gas and Electric Company (PG&E)

Utility requirements

A local permit and utility permission to operate are different approvals. Check the local sequence and requirements below.

How to read this guide

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.

Sources & confidence

Confidence: High (0.9)

Source(s): SGIP - Statewide Announcements / About, 2026 Self-Generation Incentive Program Handbook, SGIP Program Metrics and Incentive Step Tracker

02 / Prepare your application

What you need.

0 of 2 markedSaved only on this device; not confirmation of permit readiness.

Sources & confidence

Confidence: High (0.9)

Source(s): Solar App+ (Residential Solar Permit Process)

Permit fees

The document states a processing fee is charged by SolarAPP+ itself, and that city fees also apply, but no dollar amounts are given.

Not yet verified.

Rebates on record

Rebates on record

Not yet verified.

Utility and generation supplier

Utility

Pacific Gas and Electric Company (PG&E)

Some supporting official material could not be independently confirmed from the full source in GridPermit's latest review. Verify the current requirement with the authority before relying on it.

Sources & confidence

Confidence: High (0.9)

Source(s): Renewable Energy from WestLight Energy

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.

Sources & confidence

Confidence: High (0.9)

Source(s): Renewable Energy from WestLight Energy

Interconnection

https://www.pge.com/en/about/doing-business-with-pge/interconnections/net-energy-metering-program.html

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.

Confidence: Medium (0.6)

Permit authority

City of South San Francisco Building Division

Sources & confidence

Confidence: High (0.9)

Source(s): Solar App+ (Residential Solar Permit Process)

Permit page: https://www.ssfca.gov/files/assets/public/v/1/economic-amp-community-development/documents/solar-a.pdf

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
Sources & confidence

Confidence: High (0.9)

Source(s): Solar App+ (Residential Solar Permit Process)

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
Sources & confidence

Confidence: High (0.85)

Source(s): Solar App+ (Residential Solar Permit Process)

Official contacts

Official contacts

Confidence: High (0.85)

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 links to EnergySage as an independent third-party resource. This link is not currently tracked for compensation.

Official sources

Official sources

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.