“We are extremely satisfied with the work consistently done by One54 Electric at all of our rental properties. Their team is professional, efficient, and the results exceeded our expectations each time.”Nancy W.Property Owner – Woodland Hills, CA
Power for what you need now and next
Panel Upgrades Sized for Real Demand
Your electrical panel decides how much power your property can safely use. Older and undersized panels were never designed for today's loads: EV chargers, heat pumps, induction ranges, ADUs and commercial equipment. One54 Electric assesses your panel's capacity and upgrades it to support what you need now and what you might add later.
Get a straightforward assessment from a team that upgrades panels for a living. No guesswork and no unnecessary upsells, just an honest recommendation and a clean install.
Not sure if your panel can handle an EV or new HVAC? We'll check it.
213-493-8814Panel upgrade services
What We Upgrade
100 to 200 amp upgradesThe most common residential upgrade for EVs and all-electric homes
Main service upgradesNew service, meter and main breaker with utility coordination
SubpanelsAdded capacity for garages, ADUs, shops and additions
Fuse box & outdated panelsReplace fuse boxes and panels known to have safety issues
Multi-unit panelsIndividual unit panels, house panels and meter banks
Commercial service & switchgearLarger services and distribution for growing businesses
EV-ready upgradesPanel capacity planned around one or more chargers
Breaker replacementReplace worn, tripping or damaged breakers
Who we upgrade panels for
Homes, Apartments & Businesses
HomeownersPlanning an EV charger, a home addition or new appliances? We assess your panel's capacity and upgrade it to safely support what you need now and what you might add later.
Multi-unit apartments & housingAging panels are one of the most common bottlenecks in older apartment buildings. We upgrade unit panels, house panels and main service equipment, sized for today's tenants and tomorrow's EV demand. Multifamily services
Businesses & property ownersGrowing operations, new equipment or aging infrastructure often mean your building can't keep up. We design and install upgrades sized for real commercial demand. Commercial services
Before & after
From Overloaded to Organized
How do you know it's time?
Signs Your Panel Needs an Upgrade
- Breakers trip often, even under normal use
- Your panel is more than 20–25 years old
- You're adding an EV charger, HVAC or major appliance
- Lights flicker or dim when other devices turn on
- Your panel still uses fuses instead of breakers
- You're planning a renovation, addition or new equipment
- Your insurance provider has flagged your panel
- Warm panel cover, buzzing or a burning smell
This is especially common in older apartment buildings, where original panels were never designed for today's loads, let alone EV charging. A property-wide assessment is worth scheduling before a problem forces it. Smell burning or see scorch marks? Call us right away.
Why choose One54 for your panel upgrade
An Honest Recommendation and a Clean Install
A panel upgrade is a big decision. We'll tell you whether you actually need one, and if you do, we handle every step.
- Free assessment. Load calculation and an honest recommendation.
- No upsells. If you don't need an upgrade, we'll tell you.
- Permits & utility. We pull permits and coordinate the utility shutoff.
- Minimal downtime. Power is usually restored the same day.
- Sized for the future. Room for EVs, heat pumps and additions.
- Licensed & insured. California C-10 #1148821.
How a project works
How a Panel Upgrade Works
- Assessment & load calcWe inspect your panel and calculate what your property needs now and later.
- Written quoteYou get a clear price and timeline before any work starts.
- Permit & utilityWe pull the permit and schedule the shutoff with the utility.
- Upgrade & inspectWe install the new panel, restore power and pass inspection.
What clients say
Trusted by Southern California Businesses
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Helpful Articles
Panel Upgrades FAQ
Common Questions
Frequent breaker trips, a panel more than 20–25 years old, fuses instead of breakers, or plans to add an EV charger, HVAC or major appliance are all good reasons to have it checked. We'll do a load calculation and tell you honestly whether an upgrade is needed.
Most residential upgrades are completed in a day, with power off for part of that day. Timing also depends on permit and utility scheduling, which we handle for you.
Yes, for part of the install. We coordinate the shutoff with the utility and keep it as short as possible. For apartment buildings, we schedule shutdowns in advance so residents can be notified.
Not always. Many homes can add a Level 2 charger as-is, and load management can sometimes avoid an upgrade. We'll check during the assessment.
Yes. We upgrade individual unit panels, house panels, main services and commercial switchgear across Los Angeles.
Yes. One54 Electric is a California C-10 licensed electrical contractor (License #1148821) and is fully insured.