When breakers keep tripping, lights dim during heavy use, or new equipment needs more power than the system can handle, the electrical service may be too small for the property. Phoenix Contracting Services, Inc. - Professional Electrical Services helps property owners across Phoenix, Arizona move past those limits with service upgrades that match the real load of the building.

If your panel is crowded, your service cannot support added circuits, or you are dealing with repeated nuisance tripping, we can evaluate what the system needs and recommend the right upgrade path. A service upgrade is not just a replacement. It is a practical way to give your property the capacity, safety margin, and room for future electrical use.

When a service upgrade helps

Many electrical problems point back to an undersized or outdated service. The signs may start small, then become hard to ignore as the property demand grows. A service upgrade can help when the existing service no longer supports daily use without strain.

  • Breakers trip when several appliances or machines run at once
  • Lights dim or flicker during normal operation
  • Panel spaces are full and there is no room for added circuits
  • Equipment additions require more electrical capacity
  • Voltage concerns show up at multiple points on the property
  • Repairs keep pointing to an overloaded system rather than one isolated fault

For Phoenix, Arizona properties, these problems often appear during remodels, tenant improvements, equipment changes, or growing electrical demand. A service upgrade gives the system more headroom so it can carry the load without constant interruptions.


What gets upgraded

A service upgrade can involve several parts of the electrical path, not only the panel itself. The goal is to bring the service size, distribution equipment, and related components into alignment with what the property actually needs.

Main service equipment

This may include the service panel, meter-related equipment, and the components that bring power from the utility connection into the building. When those parts are undersized, damaged, or outdated, the whole system can struggle.

Panel and circuit support

If the property needs more branch circuits, larger breakers, or better load distribution, the upgrade may also include panel work and breaker replacement. That helps reduce overloading and gives the property room for current and planned electrical use.

Grounding and bonding

Service work often includes checking grounding and bonding conditions so the upgraded system is tied together correctly. That matters for safety, fault performance, and long-term reliability.


How we assess load

Before recommending a service upgrade, we look at how the building uses power now. Phoenix Contracting Services uses electrical load studies and field data to understand the actual demands on the system. That approach is especially useful for commercial, industrial, multifamily, and larger residential properties that have grown beyond their original electrical design.

We review what the property is doing today, not just what the panel label says. That can help uncover why the service struggles during certain operating conditions and whether the issue comes from demand, imbalance, expansion, or outdated infrastructure.

  1. Measure real demand

    We collect field data from the electrical service and panels to see how the property uses power over time.

  2. Review problem patterns

    We compare the load data with symptoms such as tripping, dimming, overheated components, or voltage concerns.

  3. Plan the upgrade

    We determine what size and configuration make sense for the property’s present use and expected growth.

For many customers, this step matters because it reduces guesswork. Instead of replacing parts one by one, the service plan is based on actual electrical demand and the needs of the building.


Commercial and multifamily needs

Service upgrades for commercial and multifamily properties often require more planning than a simple panel replacement. Offices, warehouses, retail spaces, data centers, apartment buildings, and similar properties may have multiple loads drawing power at different times. That can create problems when the service was sized for an earlier use.

We work with property managers, facility teams, engineers, contractors, and owners who need electrical service changes that fit the building’s operation. A service upgrade may support added tenant demand, new equipment, better load distribution, or electrical infrastructure planning for future work.

Common project triggers

  • Tenant improvements that add new equipment or circuits
  • Frequent breaker replacement tied to overloaded circuits
  • Inspections that uncover service limitations
  • Permit or AHJ requests that require updated electrical documentation
  • Power quality concerns linked to system strain

When the service no longer matches the building use, smaller fixes often only delay the next interruption. A targeted upgrade creates a better foundation for the property’s daily electrical demand.


Residential upgrade needs

Homeowners may need a service upgrade for many of the same reasons, though the symptoms often show up at the panel or at specific rooms and appliances. A house with an older service may not handle modern electrical use, especially when new appliances, charging equipment, or added living space increase demand.

Service upgrades for residential properties can also help when the existing panel has limited capacity, outdated components, aluminum wire concerns, or repeated breaker problems. If the system is undersized, the upgrade can improve how the entire home handles everyday loads.

Typical residential signs

  • Frequent breaker trips during normal daily use
  • Limited panel space for needed circuit additions
  • Old service equipment that no longer fits the home’s power demand
  • Electrical repairs that keep leading back to capacity problems
  • Lighting or appliance performance that changes under load

We explain what is happening, what should be corrected, and which parts of the service path need attention so you can make a clear decision about next steps.


What the process looks like

A service upgrade starts with understanding the property’s current condition and electrical demand. From there, the work is planned so the upgraded service supports the building without unnecessary disruption to the rest of the system.

  1. Evaluate the system

    We inspect the existing service, panel, and related equipment to identify limitations and visible concerns.

  2. Document the load

    Load studies and other measurements help show whether the current service can support the property’s use.

  3. Map the upgrade scope

    We outline the needed electrical changes, including service equipment, panel work, breaker changes, or grounding updates.

  4. Complete the upgrade

    The work is performed with attention to the property’s electrical layout and the demands placed on the system.

  5. Review the result

    Once complete, we confirm the upgraded service matches the property’s electrical needs and supports a more balanced load.

Customers often appreciate having a clear plan because it reduces uncertainty. Instead of piecing together repairs over time, the service upgrade addresses the larger capacity issue directly.


Related electrical work

Service upgrades often connect with other electrical services. Depending on what we find, the work may also include panel upgrades, breaker replacement, electrical inspections, aluminum wire repair, or troubleshooting tied to overloaded circuits and safety concerns.

We also provide infrared thermography for properties that need a closer look at heat-related electrical stress. Thermal imaging can reveal loose connections, overloaded circuits, imbalanced loads, and other hidden conditions that may affect the service or panel before a failure becomes more serious.

For commercial and industrial sites, service upgrades may be paired with NFPA 70B compliance services and electrical maintenance planning. For residential customers, that same planning may center on safety evaluations, panel capacity, and system expansion.


Service areas

Phoenix Contracting Services, Inc. serves Phoenix, Arizona and surrounding communities, including Anthem, Cave Creek, Glendale, Peoria, Scottsdale, Mesa, Chandler, Goodyear, Buckeye, Tempe, Gilbert, and Surprise. If your property needs more electrical capacity or a clearer path forward, we can help assess the service and recommend the right upgrade approach.

Whether the project is for a single home, a multifamily building, or a commercial facility, the goal is the same: give the electrical system enough capacity to support the actual load without constant strain.


Common questions

How do I know if my service is too small?

Signs often include repeated breaker trips, dimming lights, limited panel space, or trouble when multiple loads run at the same time. A load study can show whether the service is undersized.

Can a service upgrade help with new equipment?

Yes. If new equipment adds meaningful electrical demand, the service may need more capacity or better distribution so the system can support the added load.

Is a panel upgrade always the same as a service upgrade?

No. A panel upgrade changes the distribution equipment, while a service upgrade addresses the supply path and capacity feeding the property. Some projects need both.

Why do breakers keep tripping after repairs?

That can happen when the root cause is system capacity rather than a single bad breaker. If the service is overloaded, the same symptom may return until the electrical load is addressed.

Can older properties still be upgraded?

Yes. Older homes, offices, and buildings can often be brought to a better electrical standard through planning, load review, and the right equipment changes.

What should I gather before requesting an assessment?

It helps to note when problems happen, what equipment is running, and whether the issue affects one area or the whole property. That information helps us evaluate the service more efficiently.

When your electrical system needs more capacity, Phoenix Contracting Services can help you move from repeated symptoms to a clear upgrade plan. A service upgrade is often the difference between constant electrical strain and a system that can support the way the property is actually used.

OUR PROCESS

HOW DOES A JOB WITH PHOENIX CONTRACTING SERVICES WORK?

Every job follows three steps: a site walkthrough, testing and documentation, then findings and next steps.

01

WALKTHROUGH AND SCOPE

We visit the site, look at the panels and service, and agree on what needs to be tested or repaired before any work starts.

02

TESTING AND DOCUMENTATION

Load loggers and a thermal camera record what the equipment is doing, and the results are documented for each panel or component we check.

03

FINDINGS AND NEXT STEPS

We go over what we found and your options in plain language. If corrective work is needed, we are licensed to do it.

WHAT CUSTOMERS SAY ABOUT US

5.0 VERIFIED GOOGLE RATING
Jeff and his team were amazing! I needed a load calculation, one line diagram, and a panel schedule for an electrical permit with the city. Phoenix Contracting Services had an unbeatable price and moved quickly to See more
Jeff’s knowledge, experience and professionalism are exemplary! We contracted him to provide engineering plans to permit our relocation and upgrade of electrical service meter. He worked with my electricians on details See more
Absolutely the best there is!! Jeff was very professional yet personable. Always kept us updated with all the details. His crew is also very professional. I highly recommend without any reservations.
Day 1 of moving into my new home, and the electricity in the Garage stopped working. Most importantly, this affected our water heater, so a quick fix was needed. I called Jeff, and he spent the next 30 minutes over the See more
THE BEST⚡️‼️ Jeff and his crew are incredible. They treated us like actual people who were in a summer time crisis. Which is exactly what we were: in crisis without power during an excessive heat warning. The degree of See more
Jeff and his team were the best! They were very knowledgeable and hard working. Very prompt, courteous, and kept me informed of every step they did. Respectful of my property, and after digging up a long trench for See more
We had a tree fall down and knock out the power to 2 of our apartment units. What could have been a highly stressful situation turned out to be quite benign thanks to the Jeff and Phoenix Contracting. Jeff was incredibly See more
We woke to a Friday morning with weird lighting fluctuations. I checked the service panel to find a burning smell and melted bus bar under AC breaker. Since bus bar was melted, I contacted SRP who provided some See more
It actually started in Fall 2020 with my Garage losing power. I bid out the work and hired Phoenix Contracting Services. The following Monday, Jeff and his crew (Mike and Gabriel) came out and finally resolved the See more

A Few Common Questions

Make The Next Step Easier

What types of properties do you service?
We service commercial, industrial, multifamily and residential properties in the Phoenix area, including offices, warehouses, retail spaces, data centers and larger electrical projects. Our specialty is load studies and infrared thermography for commercial and industrial facilities.
Do you offer electrical load studies?
Yes. A load study records how much power a panel or service actually uses, typically over 30 days, with calibrated Fluke power quality loggers. The results show whether the system can handle new equipment, support a panel upgrade or explain a power quality problem. We also assist with load calculations, and the engineer of record performs and stamps them.
How much does an electrical load study cost?
The price depends on how many panels or services are monitored, how long the monitoring runs, and whether the study supports a permit or an engineer's calculations. We quote after we know the scope. Call (602) 564-1144 or request a consultation with a short description of the building.
How does infrared thermography help?
Infrared thermography uses a thermal camera to find hot spots in energized equipment, such as loose connections, overloaded circuits and failing breakers, before they cause an outage or damage. These problems often look normal during a standard visual inspection. Scans are usually done while the equipment runs under normal load.
Can you help with electrical panel upgrades?
Yes. We replace overloaded or outdated panels and upgrade electrical service when breakers trip repeatedly, a panel runs warm or you are adding equipment. A load study can show the capacity you need before you buy new gear. See our panel upgrade services.
Do you provide emergency electrical service?
Yes. Call (602) 564-1144 for power loss, a main breaker that will not reset, burning smells or a damaged panel. If you see smoke, flames or sparks, call 911 first. Learn more about our emergency electrical services.
Can you assist with NFPA 70B compliance services?
Yes. NFPA 70B covers the maintenance of electrical equipment. We help facilities set up and document that maintenance, including infrared scans and equipment inspections. See our NFPA 70B compliance services.
Do you handle residential electrical repairs too?
Yes. Residential service includes inspections, repairs, outlet and lighting work, GFCI and AFCI protection, aluminum wire repair and troubleshooting. See our residential electrical services.
Are you licensed in Arizona?
Yes. Phoenix Contracting Services holds Arizona Registrar of Contractors license #153656 and has more than 40 years in business. Our team includes ICC Certified Electrical Inspectors (E-1 and E-26).
What areas do you serve?
We serve Phoenix and nearby cities, including Anthem, Cave Creek, Glendale, Peoria, Scottsdale, Mesa, Chandler, Goodyear, Buckeye, Tempe, Gilbert and Surprise. See all service areas.
How do I get started?
Call (602) 564-1144 or use the Request a Consultation button with a short description of the issue or project. We will tell you whether it calls for a site visit, a load study or a thermal scan, and what comes next.

Tell Us What Your Electrical System Needs

Share the details of your project, and our team will help you identify the most practical next step.