Do You Need to Upgrade Your Panel?
If your panel is outdated, overloaded, or doesn’t have space for new circuits, you may need an upgrade. In Piedmont, all panel replacements require a permit — and PG&E approval if you’re increasing service.
Start with the basics in our electrical permit rules in Piedmont.
When Is a Panel Upgrade Needed?
You may need to upgrade your panel if:
- You’re installing an EV charger or new circuits
- Your breakers trip often
- You have an old fuse box or unsafe panel
- You need more amperage (going from 100A to 200A)
Homes with solar or EV chargers often need a 200-amp panel to meet load needs.
Do You Need PG&E Involved?
PG&E must be involved if you:
- Increase service size (amperage)
- Relocate the electrical panel
- Require a temporary power shutdown
You’ll also need to start a service planning request at PG&E’s planning portal.
Permit Process for Panel Upgrades
To upgrade a panel in Piedmont, follow these steps:
- Download the application from the Building Division site
- Describe the new panel size and location
- Submit the form and wait for approval
- Coordinate with PG&E if required
- Install the new panel and pass inspection
Permit Fee Estimates
| Panel Size | Estimated Permit Fee |
|---|---|
| Replace 100A panel | $200 – $250 |
| Upgrade to 200A | $300 – $400 |
| Commercial panel (over 200A) | $400 – $600+ |
Inspections and Sign-Off
After installation, a city inspector will check:
- Breaker sizing and labels
- Proper grounding and bonding
- Code-compliant wiring
PG&E may also return to re-energize your service after inspection approval.
Let Momentum Electric Handle It All
Momentum Electric handles full panel upgrades in Piedmont — including permits, PG&E scheduling, and inspection support.
- Phone: (415) 559-3333
- Residential Services: View Home Services
City of Piedmont Permit Office
- Address: 120 Vista Avenue, Piedmont, CA 94611
- Phone: (510) 420-3050
- Website: https://piedmont.ca.gov/services___departments/building