Panel Upgrade in Fremont: A Homeowner's Guide to 200A Service

Why Fremont Homeowners Are Upgrading Their Panels

Fremont has one of the highest rates of EV adoption and solar installation in the Bay Area. If you live in Fremont and you are adding an EV charger, a heat pump, solar panels, or an induction range, there is a good chance your existing 100 or 125-amp panel does not have the capacity to handle it.

A 200-amp panel upgrade gives you the headroom for modern electrification and brings your electrical system up to current code.

Signs You Need a Panel Upgrade in Fremont

• Your breakers trip frequently, especially when multiple appliances run at once
• Your lights dim or flicker when the AC or refrigerator starts
• Your panel is a Zinsco or Federal Pacific brand (both have known safety defects)
• You still have a fuse box
• You are adding an EV charger, heat pump, solar, or induction range
• Your panel is 25+ years old
• You are remodeling or adding square footage

What Does a 200A Panel Upgrade Cost in Fremont?

In Fremont, a standard 200-amp panel upgrade typically costs between $3,500 and $7,500. The range depends on:

• Panel location (exterior wall vs. indoor, garage vs. utility closet)
• Service entrance (whether the mast, meter, and service wire from PG&E need upgrading)
• Grounding system (modern panels require a full grounding electrode system)
• Circuit relocation (if existing circuits need rerouting)
• Trenching or underground service (if PG&E requires undergrounding)

PG&E Coordination in Fremont

Fremont is served by PG&E, and if your service entrance needs upgrading (going from 100 to 200 amps), PG&E will need to upgrade the service drop and meter. Your electrician handles this coordination. PG&E typically requires 2 to 4 weeks of lead time, so plan accordingly.

The Panel Upgrade Process

1. Load calculation. We perform a NEC-compliant load calculation to confirm 200 amps is sufficient.
2. Permit. We obtain an electrical permit from the City of Fremont Building Division.
3. PG&E coordination. If the service entrance or meter needs to change, we coordinate with PG&E.
4. Installation day. Power is off for approximately 4 to 8 hours. The old panel is removed, the new 200-amp panel is installed, all circuits are reconnected, and the grounding system is upgraded.
5. Inspection. The City of Fremont inspects and signs off.
6. PG&E reconnection. If the meter was upgraded, PG&E reconnects and installs the new meter.

How Long Does It Take?

• Permit and scheduling: 1 to 2 weeks
• PG&E coordination (if needed): 2 to 4 weeks
• Installation day: 4 to 8 hours of power-off time
• Inspection: 1 to 3 days after installation

Most panel upgrades are completed in a single day of work, with the total timeline running 3 to 6 weeks including permits and PG&E.

Do You Need a Permit in Fremont?

Yes. Electrical panel upgrades require a permit from the City of Fremont. The work must be performed by a licensed electrician (C-10 in California) and inspected. Doing this work without a permit is illegal, creates liability, and will be flagged in any future home inspection.

Frequently Asked Questions

Can I upgrade to 400 amps instead?

Yes, if you have a very large home, a sub-panel for an ADU, or heavy loads. A 400-amp service typically costs $6,000 to $12,000.

Will PG&E need to upgrade my service?

If you currently have 100-amp service and are upgrading to 200 amps, PG&E will need to upgrade the service drop and meter. We handle this coordination.

Can I add an EV charger to a 100-amp panel?

Sometimes, depending on your existing load. A load calculation will tell you. If not, a panel upgrade or a dedicated EV sub-panel may be needed.

Russell Electric is a licensed C-10 electrical contractor (CA License #1106773) serving Fremont and the Bay Area. Get a free quote or call (510) 303-2473.