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Walnut CreekElectrical Upgrades
Overhead service wires running from a wooden utility pole toward a home against a clear blue sky

The utility side

PG&E Service Upgrade to 200 Amps: How It Works

If your new panel needs more power than PG&E's equipment delivers, PG&E runs its own process: an application, a load assessment of up to 30 days, design and an estimate if its equipment must change, an advance of up to $5,000 for a single-family home, its own work, then reconnection, typically within one day.

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Step by step

The seven steps, and who does each

From PG&E's own panel upgrade roadmap. The tags show who owns each step.

  1. Electrician

    Load calculation and application

    Your electrician sizes the new service and submits a request through PG&E's Your Projects portal (or you do). PG&E's Building and Renovation Services line is 877-743-7782.

  2. PG&E

    Load assessment

    PG&E checks whether its transformer, service drop or underground lateral can carry the new load. PG&E says this takes up to 30 days.

  3. PG&E

    Design and estimate

    If PG&E equipment has to change, it designs the work and sends an estimate.

  4. You

    Contract and advance

    You sign PG&E's scope of work. For a single-family home the advance can be up to $5,000, refunded or credited toward any balance owed.

  5. PG&E

    Utility-side work

    PG&E does the work outside your home and handles permits for its own infrastructure.

  6. City or County

    Panel install and inspection

    Your electrician installs the new panel under your permit; the city or County inspects it.

  7. PG&E

    Reconnect

    PG&E disconnects and reconnects power, typically within one day.

This site is not affiliated with PG&E. Steps summarized from PG&E's published roadmap; PG&E can change its process.

Electric meter and main breaker enclosure on a stucco exterior wall with conduit to the roofline
Your side: the meter socket or meter-main enclosure, panel and wiring. PG&E's side: the meter, service drop or lateral, and transformer.

Overhead vs underground service

Look at how power reaches your house: wires from a pole to a mast on the roof or wall, or nothing visible, meaning an underground lateral.

Overhead and underground service compared
Overhead serviceUnderground service
What PG&E ownsThe service drop wires from the poleThe lateral in the ground to your meter
What often changes on your sideMast or weatherhead, meter-main, service entrance wireMeter-main, conduit and conductors; sometimes trenching
Typical upgrade cost$3,000–$8,000+$20,000+
SourceEast Bay Electric, citing PG&EEast Bay Electric, citing PG&E

Your electrician's job

  • Load calculation and service size
  • Your city or County electrical permit
  • The PG&E request, if you agree they file it
  • New panel, meter socket or meter-main, grounding and bonding
  • Scheduling the inspection and coordinating reconnection

PG&E's job

  • Load assessment of its equipment
  • Design and estimate if its equipment must change
  • The service drop, underground lateral or transformer
  • Permits for its own infrastructure
  • Disconnecting, setting the meter and re-energizing

PG&E service upgrade questions

How long does a PG&E service upgrade take?

PG&E doesn't publish a total timeline. Its load assessment alone can take up to 30 days, design and contract add time when its equipment must change, and reconnection typically happens within one day after the work is done and inspected. Plan in weeks, not days.

Who pays for the PG&E side?

PG&E may ask for an advance, up to $5,000 for a single-family home, refunded or credited toward any balance owed. You pay for the wiring and permits on your side.

Do I need a new meter?

The meter belongs to PG&E. The meter socket or meter-main enclosure is your equipment, and it is usually replaced in a 200A upgrade. PG&E sets the meter when it reconnects.

Can my electrician deal with PG&E for me?

Yes. Either you or your contractor can submit the request through PG&E's Your Projects portal. Agree in writing who submits it, who tracks it and who pays any advance.

Next: what it costs · whether you need it · choosing an electrician

Sources

  1. PG&E: Electrical panel upgrade process (PDF)
  2. East Bay Electric: Bay Area electrical panel upgrade cost (Sept. 2026)
  3. City of Walnut Creek: Building permit FAQs
  4. Contra Costa County: Building permit overview

Next step

Talk through your service upgrade

Call to talk it through, or send the short form. A local electrician can follow up to look at your panel and service and give you a written quote.

Call (925) 722-6103

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