Load calculation
A written load calculation of existing and planned appliances, so you know whether you need more capacity at all.
ELECTRICAL PANEL UPGRADE · WALNUT CREEKElectrical Panel Upgrade
Electrical Panel Upgrade
in Walnut Creek, CA.
Electrical panel upgrades in Walnut Creek for heat pumps, EV chargers and induction, with a load calculation, city permit and PG&E coordination.
Serving Northgate, Rancho San Miguel, Parkmead, Walnut Heights, Larkey Park and Rossmoor and the rest of Walnut Creek. Share your address to confirm availability.
4.8 rating · 515+ reviewsHVAC & electrical, one teamPermits handledCA Lic #1081990
Panel and service
upgrades.
Most panel projects start with a heat pump, EV charger, induction range or remodel. HAXX begins with your real electrical load and only upgrades what the numbers require.
Panel replacement
Replacing outdated, full or recalled panels, including Zinsco and Federal Pacific.
Service upgrade to 200 A
Coordinating the utility, meter and service equipment when the home needs more power from the street.
Subpanels
Adding a subpanel for a garage, ADU or new circuits when the main panel is out of space.
Load management
Smart panels and circuit-sharing devices that can avoid a service upgrade in some homes.
Permits and utility coordination
HAXX handles the permit, the inspection and the PG&E work order.
WALNUT CREEK DETAILSPanel upgrades in
Panel upgrades in
Walnut Creek.
Walnut Creek grew fast in the 1950s and 1960s, and many homes from that era still run on 100-amp or smaller services. The city's own load calculation worksheet shows how quickly added loads use that up.
01
Numbers before hardware
HAXX totals existing and planned loads first. Some homes can add a heat pump or charger without a larger service.
02
Older equipment
Federal Pacific, Zinsco and crowded split-bus panels show up in older Walnut Creek homes and are good candidates for replacement.
03
Permit and utility work
HAXX files the permit, coordinates the PG&E disconnect and reconnect, and meets the city inspector.
What customers say
about HAXX.
Rated 4.8 across 515+ reviews on Housecall Pro, Google and Facebook. Read more reviews.
★★★★★
“I purchased a couple of ceiling fans and was reluctant due to how old my house was with old wiring so I wanted someone professional and trustworthy. They have been both!”
★★★★★
“Prompt and professional - they helped run a new thermostat wire through a wall and crawl space.”
★★★★★
“I told him that the lights in my living room had been flickering for a while and asked if he could take a quick look. Instead of brushing it off, he immediately went to the main panel, asked a few questions, and then checked my subpanel in the garage.”
A CLEAR NEXT STEPFrom your first question
From your first question
to a considered plan.
01
Share your starting point
Existing equipment, home layout and what you want to improve.
02
Review the property
Sizing, airflow, equipment placement and electrical needs.
03
Compare the scope
Options, exclusions, permit requirements and any eligible incentives.
04
Plan installation
Confirm equipment, scheduling and handover details with HAXX.
HAXX ON SITEReal work.
Real work.
Real homes and businesses.
A closer look at recent electrical work by HAXX.
THE PEOPLE BEHIND THE WORKHands-on work.
Hands-on work.
A real look inside.
On site during a commercial VAV box repair: access above a suspended ceiling, equipment and the work in progress.
Explore recent projectsRecent Projects
Main Panel Installation
Main panel installation.
Main Panel Upgrade
Main panel upgrade.
Main Panel Replacement
Main panel replacement.
SPAN Smart Panel Installation
Span smart panel installation.
Subpanel Installation
Subpanel installation.
Subpanel and New Circuits
Subpanel and new circuits.
Zinsco Subpanel Replacement
Zinsco subpanel replacement.
Basement Subpanel and Circuits
Basement subpanel and circuits.
GOOD TO KNOW
Electrical Panel Upgrade in Walnut Creek: questions, answered.
Do I need a permit for a panel upgrade in Walnut Creek?
Yes. Electrical service changes need a permit, applied for through the city's Online Permit Portal. HAXX handles the paperwork and inspection.
How do I know if my panel is big enough?
A load calculation compares your existing and planned loads to the service size. HAXX runs one during the estimate.
Do I need 200 amps?
Not always. A load calculation shows whether your current service can carry the new appliances, sometimes with load management. HAXX recommends an upgrade only when the numbers require it.
How long does a panel upgrade take?
The panel swap itself is usually one day. Permits and utility scheduling for service upgrades can add several weeks, so plan early.
LET’S TALK ABOUT YOUR PROPERTYTell us what you need.
Tell us what you need.
We’ll start there.
Share the property, equipment and questions you have in mind.
(408) 901-8315
Call HAXX to discuss your property and scheduling.