Yountville Solar Permit Guide
Pacific Gas & Electric (PG&E) territory · Napa 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 Town's own SolarAPP+ Application Information page states licensed contractors can submit 'Residential roof-mounted photovoltaic designs for automated review through SolarAPP+; and an online application for an auto-issued permit.'
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
MCE (Marin Clean Energy) (Community Choice Aggregator)
MCE's own service-area page confirms Yountville as one of 6 Napa County communities it serves (alongside American Canyon, Calistoga, Napa, St. Helena, and unincorporated Napa 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
- Log in or set up an account at the OpenGov Building Permit Portal
- Under the Building heading, click Schedule an Inspection and enter the permit number, then follow the prompts
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: Expedited, streamlined solar permitting (Solar Rights Act / AB 2188 compliant); SolarAPP+ also available
- Other conditions:
- Building permit applications and documents may be submitted electronically by email or facsimile
- Electronic signatures are accepted on all forms and applications
Official contacts
- Town of Yountville Planning and Building Department, official website
Need a solar installer who handles permits in Yountville?
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
- Permits & Licenses, Town of Yountville (government). Accessed 2026-08-08.
- Net Energy Metering (NEM), Pacific Gas & Electric (utility). Accessed 2026-08-08.
- Service Area, MCE (Marin Clean Energy) (other_official). Accessed 2026-08-08.
- About, Self-Generation Incentive Program (SGIP) (cpuc). Accessed 2026-08-09.
- SolarAPP+ Application Information, Town of Yountville (government). 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 Yountville, California?
Pacific Gas & Electric (PG&E) is the interconnection and distribution utility for Yountville. The default electricity generation supplier is MCE (Marin Clean Energy), a Community Choice Aggregator (CCA), separate from Pacific Gas & Electric (PG&E).
How long does an expedited-eligible residential solar permit take in Yountville?
The Town's own SolarAPP+ Application Information page states licensed contractors can submit 'Residential roof-mounted photovoltaic designs for automated review through SolarAPP+; and an online application for an auto-issued permit.' No verified standard-path permit timeline is available.
Who do I contact about solar permits in Yountville?
Town of Yountville Planning and Building Department.
Related California cities
Other verified cities related to Yountville. See all cities on the California solar permit guide index.
- American Canyon, Pacific Gas & Electric (PG&E)
- Napa, Pacific Gas & Electric (PG&E)
- St. Helena, Pacific Gas & Electric (PG&E)
- Albany, Pacific Gas & Electric (PG&E)
- Antioch, Pacific Gas & Electric (PG&E)
- Arroyo Grande, Pacific Gas & Electric (PG&E)