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Electrical Panel Upgrade · Colorado
A panel upgrade replaces your breaker panel, and often the service entrance, so the home can safely carry more load: an EV charger, heat pump, induction range or addition. It always needs a permit, and usually needs the utility to disconnect and reconnect power.
Hail and lightning on the Front Range, heavy snow in the mountains and a fast-growing EV fleet shape most electrical calls.
Across the Mountain West, homes deal with dry air, large temperature swings, wildfire seasons and heavy snow at elevation. Permit offices, utilities and housing stock differ by city, which affects how electrical panel upgrade is planned and scheduled. These local guides cover the Colorado cities where we have written specific notes.
Heat pumps are increasingly replacing gas furnaces in the Denver area, and combined with an EV charger they often push a 100 amp service past its limit. A panel or service upgrade adds capacity and breaker space for both.
Utility: Xcel Energy
Older homes in the Old North End, Patty Jewett and Old Colorado City often have 60 or 100 amp services, and adding an EV charger, a basement finish or a heat pump usually needs more capacity. Colorado Springs Utilities, the city-owned utility, handles meters and service work.
Utility: Colorado Springs Utilities (city-owned)
Original Aurora, Hoffman Heights and Del Mar are full of 1950s and 1960s ranch homes with 100 amp panels that are already full, and some have brands electricians suggest replacing. Adding central air, a heat pump, an EV charger or a basement finish usually requires an upgrade to 200 amps.
Utility: Xcel Energy
Fort Collins has strong interest in heat pumps, induction cooking, EV chargers and solar, and homes in Old Town and Midtown often have 100 amp services that cannot handle them all. A load calculation is the starting point, and in some cases load management can avoid a full upgrade.
Utility: Fort Collins Utilities
Many Pueblo homes in Bessemer, the East Side and Belmont still have 60 or 100 amp services, and adding central air, which hot Pueblo summers make popular, along with a heat pump or an EV charger usually requires more capacity. Wind and hail often damage old service masts, so an upgrade is a good time to replace the mast and meter base too.
Utility: Black Hills Energy
Boulder's climate goals have many homeowners electrifying: replacing gas furnaces with heat pumps, adding heat pump water heaters, induction ranges, EV chargers, solar and batteries. Historic homes in Mapleton Hill and Whittier and mid-century houses in Martin Acres and Table Mesa often have 100 amp or smaller services that cannot carry all of it, so a 200 amp upgrade or smart load management is common.
Utility: Xcel Energy
1. Load calculation
The electrician sizes the service from your existing and planned loads.
2. Permit and utility coordination
The permit is pulled and the utility schedules disconnect and reconnect.
3. Install the panel and service parts
New panel, breakers, grounding and bonding, and service conductors or meter base if needed.
4. Inspection
The local inspector checks the work before or after power is restored, depending on the jurisdiction.
Electricians set their own prices; local permit fees and utility requirements add to these factors.
Permits come from the city or county where the home is. For example: Denver: Electrical permits in Denver are issued by Community Planning and Development; surrounding cities have their own building departments. Colorado Springs: Electrical permits in Colorado Springs and El Paso County come from the Pikes Peak Regional Building Department, which serves the city and much of the region. Aurora: Electrical permits inside city limits come from the City of Aurora's building division; parts of Aurora lie in Adams and Douglas counties. Fort Collins: Electrical permits inside city limits come from the City of Fort Collins' building services; unincorporated Larimer County has its own. Pueblo: Electrical permits come from the Pueblo Regional Building Department, which serves the city and county. Boulder: Electrical permits come from the City of Boulder's Planning and Development Services; Boulder County handles unincorporated areas.
Denver: Xcel Energy. Colorado Springs: Colorado Springs Utilities (city-owned). Aurora: Xcel Energy. Fort Collins: Fort Collins Utilities. Pueblo: Black Hills Energy. Boulder: Xcel Energy.
If you have 100 amps or less and are adding an EV charger, heat pump or electric range, or your panel is a Federal Pacific, Zinsco or fuse box, ask an electrician for a load calculation.
Usually most of one working day, depending on the scope and how quickly the utility reconnects.
Yes, in essentially every US jurisdiction. The electrician pulls it and schedules the inspection.
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