Electrical panel upgrades for Bay Area homes and businesses
Modernize an outdated or overloaded service panel so your property has the capacity, safety, and code compliance it needs for the way you use power today.
What an electrical panel upgrade is
Your electrical panel is the hub that distributes power from the utility to every circuit in your home or building. An upgrade replaces an outdated, undersized, or unsafe panel with a modern one that can safely carry the current your property actually uses.
Remnant Electric handles panel upgrades as a family-owned electrical contractor serving the Bay Area, California. We assess your service, calculate your loads, and complete the work to current code.
Why capacity matters
Older panels were sized for the loads of their era. Modern homes run more at once: EV chargers, heat pumps, air conditioning, kitchen appliances, and home offices. An undersized panel trips, strains, or becomes a safety risk when demand grows.
An upgrade gives your panel headroom for the way you actually live and work, with room to add circuits later.
Who a panel upgrade is for
A panel upgrade makes sense any time your electrical demand has grown or your existing panel is showing its age.
Adding an EV charger or heat pump
New high-draw loads often need more panel capacity than an older service can provide.
Older homes with original panels
Panels past their service life can overheat or fall short of today's safety standards.
Frequent breaker trips
Repeated trips are a sign your panel is working harder than it was built for.
Remodels and additions
New circuits and added loads can push an existing panel past its safe capacity.
Signs you may need a panel upgrade
Any of these can mean your panel is undersized, aging, or no longer safe for your current loads. We can take a look and tell you honestly whether an upgrade is warranted.
- Breakers trip often or won't stay reset
- Lights flicker when large appliances run
- The panel is warm, discolored, or smells burnt
- You're adding an EV charger, AC, or heat pump
- The panel is over 25 to 30 years old
- You've added a room, ADU, or major appliance
- Outlets aren't grounded or use older two-prong styles
- An inspector, insurer, or buyer flagged the panel
Benefits of an upgraded panel
A new panel is an investment in safety, capacity, and room to grow.
More capacity
Headroom for modern loads and future circuits without constant trips.
Improved safety
Reduces the risk of overheating and failure from an overloaded or aging panel.
Code compliance
Brings your service up to current electrical code so it passes inspection.
Surge protection
Add whole-home surge protection at the panel to guard devices across the property.
Panel upgrade options
Choose the scope that fits your property. We assess your service and loads before recommending an option.
200A and 400A service upgrades
Right-size your service for the way you use power now and plan to add later.
Subpanel additions and relocations
Add a subpanel or move one to better serve a garage, ADU, or addition.
Whole-home surge protection
Protect electronics and appliances from surges right at the panel.
Breaker and main disconnect replacement
Replace failing breakers and upgrade the main disconnect for reliability.
Every option above is part of our electrical panel upgrades service.
What to expect
A clear process from first look to final walkthrough, with honest communication the whole way.
- 1
Assessment and load calculation
We look at your panel, your service, and the loads you run now and plan to add.
- 2
Clear, upfront quote
You get an honest estimate with no surprise fees or pressure to add work.
- 3
Scheduled panel swap
We plan the work around your schedule and show up prepared and on time.
- 4
Testing and walkthrough
We test our work, clean up, and walk you through what was done before we leave.
Old panel vs. upgraded panel
The difference comes down to capacity, safety, and room to grow.
Before: an aging or undersized panel
- Frequent breaker trips
- Not enough capacity for new loads
- Aging or obsolete breakers
- No surge protection
- May not meet current code
After: an upgraded panel
- Capacity for modern appliances and EVs
- Room to add circuits later
- Modern, reliable breakers
- Whole-home surge protection available
- Built to current electrical code
Related services
Panel upgrades often pair with other electrical work. Browse the full range on our services overview.
EV Charger Installation
Level 2 home charging stations sized to your panel and electrical service.
Learn moreElectrical Troubleshooting
Diagnose and repair electrical problems safely, from flickering lights to breaker trips and dead outlets.
Learn moreLighting Upgrades
Indoor, outdoor, and landscape lighting with efficient LED retrofits and controls.
Learn moreWhole-Home Rewiring
Whole-property rewiring done to current code, including older wiring replacement and new circuits.
Learn more
Panel upgrade questions, answered
Straight answers to what homeowners and businesses ask us most about panel upgrades.
Get your panel upgrade estimate
Tell us about your panel and what you are adding. We will send a clear, honest quote.
Prefer to talk? Call us at 000-000-0000.