Electrical Panel Upgrades in Denver, CO
Licensed Denver electricians for 200-amp panel upgrades, Federal Pacific and Zinsco panel replacements, subpanel installation, breaker repair, and electrical service upgrades. Every estimate includes a FLIR thermal inspection and a written price before work starts.
Get a Free Panel Estimate
A licensed electrician visits your home, inspects the panel with a FLIR thermal camera, and gives you a written price before anything starts. Real person answers. Same-day availability.
Electrical Panel Upgrade Cost in Denver
What determines the cost of a panel upgrade in Denver? The price of a panel upgrade depends on the size of the new service, the condition of the existing meter base and service conductors, how the utility feed reaches the home, the number of circuits that need to be relocated, and whether the panel location has to move to meet current clearance rules. Older Denver homes often need grounding and bonding brought up to code at the same time, which adds scope.
We do not quote a panel upgrade over the phone because two homes on the same block can need very different work. A licensed electrician visits, inspects the panel with FLIR thermal imaging, runs a load calculation, and hands you a written price that covers labor, materials, the City and County of Denver permit, and the inspection. That price is locked before we start.
Signs Your Electrical Panel May Need an Upgrade
Most of the panel calls we run in Denver start with one of these. None of them means you need a new panel on the spot. They mean a licensed electrician should look, and we tell you plainly if the panel is fine.
Breakers Trip Repeatedly
A breaker that trips once is doing its job. A breaker that trips repeatedly on the same circuit points to an overloaded circuit or a failing breaker that should be evaluated.
Lights Dim or Flicker Under Load
Lights that dim when a large appliance starts can indicate loose connections or a service that is running near its limit.
Burning Smell, Discoloration, or a Warm Panel
Heat, scorching, or a burning odor at the panel is a fire risk. Treat it as an electrical emergency and call right away.
Your Panel Is Aging or Shows Signs of Deterioration
An older panel is not automatically unsafe. Corrosion, overheating, damaged bus bars, loose connections, obsolete breakers, or capacity that no longer matches the home are reasons to have it evaluated by a licensed electrician.
You Have an Older or Problematic Panel Brand
Federal Pacific Stab-Lok, Zinsco and Sylvania, Pushmatic, older split-bus panels, and obsolete panels with limited replacement parts warrant an inspection. Details are further down this page.
No Room for New Circuits
Adding an EV charger, heat pump, hot tub, or addition requires open capacity. If the panel is full, a subpanel or a larger service is the next step.
Still Running a Fuse Box
Fuse boxes are original equipment in many older Denver homes. Most cannot support modern loads, and some insurers ask for replacement.
Your Insurer Flagged the Panel
Some insurance carriers may require replacement of certain older panel types before issuing or renewing coverage. We provide written estimates you can share with your carrier.
Electrical Panel Services in Denver
100A to 200A Panel Upgrade
The most common upgrade for Denver homes. New 200-amp service equipment, AFCI and GFCI protection where the current code requires it, whole-home surge protection, labeled circuits, permit, and inspection.
320A and 400A Service Upgrades
For larger homes and properties with multiple EV chargers, standby generators, heat pumps, or additions. We coordinate the utility side and the permitting.
Federal Pacific and Zinsco Replacement
Older panel brands associated with documented breaker-performance concerns and obsolete equipment. We inspect the existing equipment and recommend replacement when condition, safety, capacity, or insurance requirements warrant it.
Subpanel Installation
Extend capacity to a detached garage, workshop, basement, or addition without replacing the main panel. Sized for what you have now and what you plan to add.
Circuit Breaker Repair and Replacement
Individual breaker replacement, double-tap correction, bus bar repair, and loose connections. See circuits and outlets for branch-circuit work.
SPAN Smart Panel Installation
App-based circuit-level control, real-time energy monitoring, and load management that can avoid a service upgrade in some homes. Learn more on our SPAN smart panel page.
FLIR Thermal Imaging Inspection
Included with every panel estimate in Denver. Thermal imaging helps identify abnormal heat at breakers and connections that deserve a closer look.
Code Compliance Upgrades
Grounding, bonding, surge protection, and clearance corrections needed to pass inspection or close out a home sale.
Recent Electrical Panel Upgrades in Denver
Real panels from real Denver metro homes. The Electricians photographs every panel before and after so you can see exactly what changed behind the cover.
Federal Pacific Panel Replacement
Older Federal Pacific Stab-Lok equipment removed and replaced with a modern 200-amp panel, new breakers, whole-home surge protection, labeled circuits, and a passed Denver inspection.
Old Panel vs. New Installation
Side by side: the original service equipment next to the finished install. Clean conductor routing, new grounding and bonding, and every circuit labeled.
Zinsco Panel Evaluation and Replacement
Zinsco equipment inspected with FLIR thermal imaging, documented for the homeowner, and replaced with current code-compliant service equipment.
SPAN Smart Panel Installation, Aurora, CO
SPAN smart panel installed in an Aurora home to give the homeowner circuit-level control and load management for EV charging and future electrification.
200-Amp Panel Upgrade
Aging service equipment replaced with a new 200-amp panel. New main breaker, AFCI and GFCI protection where required, surge protection, and a labeled directory.
New Panel Installation
Finished panel installation with clean conductor routing, torqued terminations, updated grounding and bonding, and a passed final inspection.
Federal Pacific, Zinsco, and Older Electrical Panels
Why do Federal Pacific panels raise safety concerns? Federal Pacific Electric Stab-Lok breakers were installed in a large share of Denver homes built from the 1950s through the early 1980s. In 1980, the parent company reported to the U.S. Consumer Product Safety Commission that many FPE breakers did not fully comply with Underwriters Laboratories requirements, and CPSC testing confirmed that the breakers failed certain UL calibration tests, the tests that determine whether a breaker trips when a circuit is overloaded. The CPSC closed its investigation in 1983 without issuing a recall and without making a safety determination either way, and in 2011 it revised the release to say exactly that. Read the CPSC statement.
Independent testing since then, including work by the engineer CPSC originally contracted, has reported high failure-to-trip rates for Stab-Lok breakers. A New Jersey court later found that FPE violated the state consumer fraud act in how it labeled and distributed the breakers. None of this amounts to an official recall, which is why we do not use that word. It does mean the primary safety device in the panel may not perform as designed, and that is enough for many electricians, home inspectors, and some insurance carriers to recommend replacement.
Zinsco and Sylvania-branded Zinsco panels, common in Colorado homes through the mid-1970s, have a documented history of breakers failing to trip under fault conditions and of breakers bonding to the bus bar so they cannot be switched off. Pushmatic push-button panels and older split-bus panels are not inherently defective, but replacement breakers are scarce or discontinued and the designs predate modern protection requirements.
FLIR Thermal Panel Inspections
What is a thermal panel inspection? A thermal panel inspection uses an infrared camera to read the surface temperature of breakers, bus bars, lugs, and conductors while the panel is under load. The Electricians uses FLIR thermal imaging by Teledyne on every panel estimate in the Denver metro, at no added charge. Abnormal heat patterns are one of the earliest visible signs of a loose connection, an overloaded circuit, or a breaker that is starting to fail, and they are invisible to the naked eye.
Thermal imaging is a screening tool, not a code certificate. It tells our electrician where to look closer. It does not verify NEC compliance and it cannot predict when a component will fail. What it does very well is find the problems worth fixing before they become an outage or a repair call.
Helps Identify Potential Problems Early
Abnormal heat patterns associated with overloaded circuits, loose connections, and failing breakers point to conditions that warrant further investigation.
Documentation You Can Keep
We share the thermal images with you. Many homeowners keep them with inspection reports for insurance renewals and future home sales.
Preventative Electrical Maintenance
Finding a hot lug or a warm breaker during an estimate often means a small repair now instead of a larger one later.
Included Free in Denver
Every panel estimate in the Denver metro includes the FLIR inspection. No diagnostic fee for the thermal scan.
How an Electrical Panel Upgrade Works
From the first call to the closed permit, one licensed crew handles the whole project. Here is what to expect.
What Size Electrical Service Does Your Home Need?
What is a load calculation? A load calculation is the NEC method for adding up the square footage, fixed appliances, HVAC, and large loads in a home to determine how many amps the service must supply. The Electricians performs one on every panel estimate in Denver. It is the only honest way to answer the sizing question, because a 1,400-square-foot bungalow with gas heat and a 3,200-square-foot home with a heat pump and two EVs have very different needs even if both currently sit on 100-amp service.
A SPAN smart panel can manage large loads such as EV charging on the existing service, which in some homes avoids a utility upgrade altogether. We evaluate that option during every load calculation.
Panel Upgrades for EV Chargers, Heat Pumps, and Generators
Most panel upgrades in Denver are triggered by something the homeowner wants to add. Telling us about that project during the estimate lets us size the service correctly, pull one permit instead of two, and schedule the work in one visit where possible.
EV Chargers
Homes with 100-amp service may need a panel upgrade, load-management equipment, or a lower-amperage charging configuration before adding a Level 2 EV charger. Our electricians perform a load calculation to determine the safest and most cost-effective option, and we often complete the panel work and the EV charger installation under one permit.
Heat Pumps and Electric HVAC
Cold-climate heat pumps and electric furnaces add large continuous loads. We size the service for the equipment your HVAC contractor specifies and coordinate the electrical permit with the mechanical work.
Standby Generators
A whole-home Generac generator needs an automatic transfer switch and, in many cases, service equipment that can accept it. Planning the panel and the generator together avoids doing the work twice.
SPAN Smart Panels
A SPAN smart panel adds circuit-level control and load management. In some homes it can manage an EV charger or heat pump on the existing service without a utility upgrade.
Whole-home Generac installation with the automatic transfer switch tied into the service equipment. Planning the panel and the generator together means one permit and one visit.
Denver Electrical Permits and Inspections
Do you need a permit to replace an electrical panel in Denver? Yes. Panel replacements and service upgrades at Denver addresses require an electrical permit from the City and County of Denver, issued through Community Planning and Development, and an inspection when the work is complete. Denver runs its own building department, so the permit and inspection go through the city rather than the state. Surrounding suburbs each have their own process, and we handle those too.
The Electricians is a Denver-licensed electrical contractor. We apply for the permit under our license, schedule the inspection, meet the inspector on site, and close the permit out. An unpermitted panel replacement can complicate a home sale and give an insurer grounds to question a claim. For more on how permitting works across the city, see our Denver electricians page.
Electrical Panel Rebates and Incentives in Colorado
Electrical panel upgrades may qualify for incentives when completed as part of certain electrification or energy-efficiency projects. Eligibility depends on the program, the household, the equipment installed, and current funding, and programs change often. Here is where things stand as of the date below.
Colorado HEAR Rebates
The Colorado Energy Office closed the Home Electrification and Appliance Rebate single-family program for the Front Range, including Denver, in April 2026 after funds were fully committed. New Denver metro panel projects are not eligible. A small multifamily program is expected separately.
Federal 25C Tax Credit
The Energy Efficient Home Improvement Credit that previously covered qualifying panel upgrades is no longer available for work placed in service after 2025. Confirm any federal credit with a tax professional before counting on it.
Xcel Energy and Utility Programs
Xcel Energy offers EV charging rebates for qualifying Colorado customers, and some programs include support for the wiring or panel work tied to a Level 2 charger. Some electric cooperatives outside Xcel territory offer smart panel or panel rebates. We check the current program terms during your estimate.
We provide the invoices, permit records, and equipment documentation any program requires. We do not promise a rebate until we have confirmed your eligibility against the program that is open at the time of your project.
What Denver Homeowners Say About Our Panel Work
Electrical Panel Upgrades Across Denver Metro
Our panel crews work across the Denver metro. Response time depends on your location and the closest available crew. Each city page below covers local permitting and the electrical issues common to that area.
Denver Electrical Panel FAQs
Rather just talk to someone?
Call and a real person answers, any hour, any day. We will answer your panel questions, explain your options, and book the estimate on the same call. Emergency conditions such as a burning smell or a hot panel are dispatched to the closest crew.
Schedule Your Free Panel Estimate
FLIR thermal inspection included. Written price before we start. Licensed, bonded, insured. Denver permit and inspection handled. 100% satisfaction guaranteed.
