Proudly serving Phoenix, Scottsdale, Mesa, Glendale, Chandler, Tempe & surrounding areasCall or Text 24/7: 480-210-5203
Wide drone view of suburban neighborhoods with red tile roofs and desert landscaping in Phoenix, AZ.

Electrical Panel Upgrades & Subpanel Installation in Peoria, AZ

Phoenix Electrical Panel Upgrades provides 200 amp service upgrades, 400 amp service upgrades, and subpanel installation for Peoria homes and businesses. We also replace aging panels, repair circuit breakers, and update meter boxes. From a home addition to a detached workshop, we assess the electrical demand before recommending the work.

Summer temperatures routinely climb past 110 degrees, keeping air conditioners under sustained demand. Older homes with 100-amp or 125-amp service may struggle when cooling, pool equipment, and modern appliances run together. Our crew starts with an on-site load calculation and a written estimate. We handle permitting and utility coordination so the work has a clear scope from the start.

We serve Old Town Peoria, Fletcher Heights, Westbrook Village, Vistancia, and properties near Lake Pleasant. Call for a free estimate on your panel upgrade or replacement.

★ ★ ★ ★ ★4.9/5 Customer Satisfaction - 29 Years of Electrical Experience - 2,000+ Electrical Projects Completed - Licensed, Bonded & Fully Insured - Serving Homes & Businesses Valleywide
Panel Services

Electrical Panel Services in Peoria, AZ

Residential projects range from breaker replacement to a full service upgrade, while commercial work addresses equipment loads and tenant improvements. Our crews also handle panel and meter work in Surprise, AZ , where older homes can present similar service-capacity concerns. The options below explain which parts of the electrical service each project addresses.

200 Amp Service Upgrades

Upgraded 200 amp electrical panel and meter on a stucco wall in Peoria, AZ.

A 200-amp upgrade adds capacity for air conditioning, EV charging, and modern appliances. We assess the existing panel, meter base, and service entrance conductors together, then use NEC Article 220 load calculations to determine the scope. Homes built before the 2000s may need more than a panel swap to accommodate today's demand.

Explore Service

400 Amp Service Upgrades

400 amp electrical panel upgrade on an exterior stucco wall with a utility meter and overhead conduit in Peoria, AZ.

Large homes, detached workshops, casitas, and pool houses can call for 400-amp service. Depending on the load profile and utility requirements, this may use split 200/200 service through two meter-rated disconnects or a single 400-amp rated panel. The assessment determines which arrangement fits the property.

Explore Service

Subpanel Installation

Electrical subpanel installation on a garage wall with conduit and circuit breakers in Peoria, AZ.

A dedicated subpanel can serve a detached garage, workshop, casita, or pool equipment pad. We size the feeder circuits for the connected load and install grounding electrode systems where required. The installation is included in the permitted scope of work.

Explore Service

Circuit Breaker Repair & Replacement

Electrical panel circuit breaker repair and replacement in a Peoria, AZ residential garage.

A breaker that trips repeatedly or will not reset needs diagnosis before a replacement is selected. We check for overloaded circuits and failing components, then match replacement breakers to the panel's OEM specifications. Individual breakers or full breaker sets can be addressed as the condition warrants.

Fuse Box Replacement & Conversion

Fuse box replacement and electrical panel conversion in a Peoria, AZ garage.

Older homes near 91st Avenue and Olive may still have fuse boxes dating to the 1960s and 1970s. Conversion replaces that equipment with a modern breaker panel and addresses concerns such as oversized fuses. We evaluate the existing service and wiring as part of the replacement.

Federal Pacific Panel Replacement

New electrical panel replacement inside a residential garage in Peoria, AZ.

Federal Pacific Electric Stab-Lok equipment remains in some homes from the 1970s and 1980s. When we identify one of these panels, we recommend complete replacement because of concerns about breakers failing to trip during overloads. Our replacement work removes the panel rather than reusing FPE breakers.

Zinsco Panel Replacement

New electrical panel replacement mounted on a garage wall in Peoria, AZ.

Zinsco and related GTE-Sylvania equipment can develop bus-bar damage and breakers that fuse to the bus bar. We inspect the equipment and recommend full panel replacement when these concerns are present. Replacing individual breakers alone does not address a deteriorated bus bar.

Electrical Meter Box Replacement

Electrical meter box replacement on a stucco wall in Peoria, AZ.

Cracked, corroded, or outdated meter bases may need replacement during a service upgrade. We coordinate the meter pull and reset with the utility and account for the meter base in the project scope. This keeps the panel, service conductors, and metering equipment aligned with the planned service.

Whole House Surge Protector Installation

Whole house surge protector wired next to an electrical panel in a Peoria, AZ garage.

Whole house surge protection is installed at the main panel to help limit transient voltage spikes. It adds protection for sensitive electronics, HVAC control boards, and appliances during the electrical disturbances associated with monsoon season. We assess the panel when planning the installation.

Commercial Electrical Panel Upgrades

Commercial electrical panel upgrade with neat heavy-gauge wiring in a Peoria, AZ utility room.

Retail spaces, offices, and light industrial buildings near Loop 101 and Bell Road need capacity that reflects their equipment and tenant plans. We handle load calculations, permitting, and panel installation for commercial projects from 200-amp to 400-amp and three-phase service. The building's actual demand guides the recommendation.

Planning Your Project

Choosing the Right Panel Upgrade

A higher amperage rating is only part of the decision. Panel condition, the equipment you plan to add, and the meter and service wiring all affect the scope. We look at these factors together before recommending a repair, replacement, or capacity upgrade.

Start with the Load Calculation

List the HVAC equipment, electric range, pool pump, EV charger, and planned additions that will draw power. A load calculation determines whether the existing service can support them and whether 200 or 400 amps is appropriate. The recommendation should reflect the property rather than its age alone.

Identify the Existing Panel

Panel brand and condition can make replacement necessary even when additional amperage is not the main goal. We check for Federal Pacific or Zinsco equipment, corrosion, damage, and double-tapped breakers. A circuit inventory helps define what needs to move into the new panel.

Check Meter and Conductor Needs

A service upgrade may also require a compatible meter base, updated service entrance conductors, or mast replacement. Those components affect both the installation and the outage plan. We include the needed work in the written estimate so the scope is clear.

Plan for Garages and Casitas

Detached spaces can have different power requirements from the main house. A subpanel provides a dedicated distribution point for a garage, casita, workshop, or pool equipment area. We check the feeder size and grounding requirements alongside the main service capacity.

Account for Clearance and Grounding

Equipment selection must account for the installation location as well as the electrical load. We review working clearance around the panel, including NEC 110.26 considerations, and the grounding and bonding arrangement. Older homes may need a supplemental grounding electrode as part of the work.

Compare the Written Scope

Across the scopes described here, a 200-amp upgrade can range from $2,500 to $5,500. Check whether the estimate includes the panel, labor, permit, inspection, and any meter or conductor work. An itemized quote makes the difference between a panel replacement and a fuller service upgrade easier to understand.

Panel Concerns

Common Electrical Panel Problems

Peoria's population grew from 154,065 in 2010 to 190,985 at the 2020 census, alongside continued housing development. The city includes older homes and newer properties with substantial electrical demand. Homes from the 1980s and 1990s can face a different set of panel concerns from larger new builds, especially during summer cooling season.

Request a Panel Assessment

Repeated Breaker Trips

An older service can become strained when central air conditioning, an electric range, pool equipment, and EV charging overlap. Repeated trips deserve a check of the circuit load and breaker condition. The assessment determines whether the issue calls for repair or a broader capacity upgrade.

Heat or Scorching at the Panel

Warm breaker faces, scorched components, and a burning smell are signs that the equipment needs urgent professional attention. We assess panel emergencies and damaged components before planning repairs. These symptoms should not be treated as routine nuisance tripping.

Breakers That Fail to Trip

A panel can present a concern even when its breakers are not tripping. Federal Pacific and Zinsco equipment can fail to interrupt an overload as intended. Identifying the panel and evaluating its condition is part of deciding whether complete replacement is needed.

Monsoon Moisture and Corrosion

Outdoor panels and meter enclosures can suffer water intrusion during monsoon storms. Corrosion or damaged enclosures may make equipment replacement necessary. We inspect the affected panel and meter components when defining the repair scope.

Outgrown Service Capacity

A home addition, EV charger, or detached shop changes the demand placed on the electrical service. Solar installations can also require a review of backfeed capacity. We evaluate the planned equipment before recommending a service upgrade or subpanel.

Damaged Meter Equipment

Cracking, corrosion, or arcing at a meter base needs professional assessment and utility coordination. Replacing the panel alone may leave that part of the service unresolved. We include meter equipment in the inspection and coordinate replacement when needed.

Why Choose Us

Panel Work with a Clear Plan

Our family owned electrical company handles residential and commercial panel projects across Peoria and the West Valley. We prepare a written scope, coordinate the installation, and test the completed circuits. The process gives you a defined path from the first assessment through completion.

Licensed and Insured Contractor

We operate as a licensed and insured Arizona Registrar of Contractors electrical contractor. Our crew has hands-on panel experience across homes and commercial properties. Panel installation, grounding, and circuit work are assessed as parts of the same project.

Permit and Utility Coordination

We handle the permit paperwork and coordinate the disconnect and reconnect with APS or SRP, depending on the property's service territory. City inspection and utility scheduling are part of the project plan. You receive an expected outage window before installation.

Circuit Labels and Final Testing

Each panel replacement includes a circuit inventory and relabeling. After installation and the required inspection and reconnect steps, we test every circuit before leaving. Clear labels and completed testing help make the finished panel easier to understand and use.

From Assessment to Completion

Our Panel Upgrade Process

We begin with the equipment already in place and the loads you want the service to support. The written estimate identifies the work before scheduling moves forward. Permitting, utility arrangements, installation, inspection, and testing are coordinated as parts of one project.

01.

Assess the Existing Service

We inspect the panel condition, existing service size, and equipment in use or planned. The on-site load calculation establishes the capacity needed. We also check whether meter equipment, conductors, grounding, or bonding need attention.

02.

Prepare the Written Estimate

The estimate identifies the panel, labor, permit fees, and meter base work if needed. We explain which existing components can remain and which need replacement. You can review the scope before approving the project.

03.

Arrange Permits and the Outage

After approval, we arrange the permit and coordinate the utility disconnect. The plan accounts for the inspection and reconnect requirements as well as installation. We explain the anticipated power interruption so you can prepare.

04.

Replace the Panel and Components

With the power disconnected for the work, we remove the old panel and install the specified panel and breakers. We replace included meter or service components and update grounding and bonding as needed. Each circuit is inventoried and relabeled.

05.

Coordinate the City Inspection

We arrange the required inspection through the City of Peoria Building Safety Division. The completed work is reviewed as part of the inspection and utility reconnect sequence. Scheduling these steps together helps manage the outage window.

06.

Reconnect and Test the Circuits

Once the required inspection and utility steps are complete, power can be restored through the new equipment. We test every circuit before leaving. The finished panel has updated circuit labels to support everyday use.

What the Work Addresses

Panel Improvements for Homes and Businesses

Case Study 1: Room for household equipment: A service sized to the home's calculated load can support central cooling, kitchen appliances, and planned EV charging. The assessment determines whether an amperage upgrade is needed for that combination.

Case Study 2: Power for detached spaces: A dedicated subpanel can organize circuits serving a workshop, casita, or pool equipment pad. Feeder sizing and grounding are considered with the demands of that space.

Case Study 3: Capacity for tenant improvements: Commercial panel upgrades account for new equipment and changing space use. The load calculation guides the service size and installation scope before the work proceeds.

Plan Your Panel Project

Request Your Free Panel Estimate

Tell us about your existing panel, recurring electrical concerns, and any equipment you plan to add. We inspect the service and provide a written estimate for the work needed. Call to discuss a Peoria panel upgrade, replacement, or repair.

Panel Upgrade Questions

Electrical Panel FAQs for Peoria, AZ

These answers cover upgrade costs, equipment choices, scheduling, and the areas we serve. An on-site assessment determines the scope for your property's existing service.

Call About Your Panel

A straightforward 200-amp upgrade typically costs $2,500 to $3,500, including the panel, labor, permit fees, and city inspection. Projects needing a meter base, service mast, or updated service entrance conductors can reach $4,000 to $5,500. We inspect the existing service before providing a written estimate.

Panel location, wire condition, utility requirements, and the condition of the meter equipment all affect the scope. Keeping an adequate meter base and conductors involves different work from replacing those components. Our itemized estimate identifies what is included before you approve the project.

It is worth assessing when central cooling, pool equipment, EV charging, or a home addition will increase the load. The calculation determines whether 200 amps meets the home's demand. If an aging or damaged panel also needs replacement, that work can be considered in the same scope.

The project needs an appropriate panel and breakers, adequately sized service entrance conductors, a compatible meter base, and suitable grounding and bonding. Conductor sizing is assessed using the applicable requirements, including NEC Table 310. The on-site review determines which existing components need replacement.

Yes, we handle the permit for the panel upgrade or service change and coordinate the required city inspection. The City of Peoria Building Safety Division handles inspection scheduling, which generally occurs within a few business days of the rough-in or final request. The work plan also accounts for the utility's disconnect and reconnect procedures.

A straightforward installation typically takes four to eight hours and is generally completed in one day. Work involving a meter base, service mast, or entrance conductors can take longer and sometimes extend into a second day, depending on utility scheduling. We discuss the expected outage window before the work begins.

These panels can have problems with breakers failing to trip, and Zinsco equipment can develop breakers fused to the bus bar. A breaker-only repair may leave the underlying panel condition unresolved. We recommend complete replacement of affected equipment rather than reusing FPE breakers or treating bus-bar deterioration as an isolated breaker fault.

Large homes or properties with detached workshops, casitas, pool houses, or heavy shop equipment may need the additional capacity. A load calculation determines whether that level of service is appropriate. The utility requirements and load profile guide whether split service or a single rated panel is used.

Yes, we install subpanels for detached garages, casitas, workshops, and pool equipment areas. The feeder must be sized for the connected loads, and grounding electrode systems are included where required. We assess that work alongside the capacity of the main service.

The existing meter base must be compatible with the planned service and in suitable condition. Cracked, corroded, or outdated equipment may need replacement as part of the project. We coordinate the utility's meter pull and reset, with the outage for meter work kept to a single day in most cases.

A protector installed at the main panel helps limit transient voltage spikes reaching appliances and electronics. HVAC control boards are another reason to consider protection during monsoon season. We assess the panel and discuss the installation as part of your electrical project.

Yes, we handle panel upgrades for retail spaces, offices, and light industrial properties. Projects can involve tenant improvements, additional equipment, or the need for three-phase service. Load calculations establish the requirements before permitting and installation.

We serve Old Town Peoria near 83rd Avenue and Peoria Avenue, Arrowhead Ranch, Fletcher Heights, Westbrook Village, Vistancia, and the Lake Pleasant Parkway corridor. Coverage also includes properties near the Peoria Sports Complex, the spring training home of the San Diego Padres and Seattle Mariners. Peoria spans Maricopa and Yavapai counties, and our surrounding service areas include Surprise, Glendale, Sun City, Sun City West, El Mirage, and Youngtown.

Yes, we offer 24/7 service for panel emergencies such as a dead panel, scorched components, breaker failures, or storm-damaged meter equipment. A burning smell or arcing at the equipment needs urgent professional attention. Call to explain the condition so the response can address the affected service components.

Sometimes the issue is an individual breaker or an overloaded circuit rather than the entire panel. We diagnose the cause and use replacement breakers that match the equipment's OEM specifications when a breaker replacement is appropriate. Panel damage or deteriorated equipment may call for a more complete replacement.