Commercial Panel and Circuit Upgrades

Safe, Scalable Power for Business Growth and Equipment Demands

Harmony Electric provides expert panel and circuit upgrades for commercial buildings throughout Denver. If your business is expanding, adding new equipment, or experiencing frequent trips or outages, our licensed electricians can evaluate your system and deliver the upgrades you need to stay safe, efficient, and compliant.

Electrical Services for Every Commercial Property

Your electrical panel is the hub of your entire system. If it is outdated, overloaded, or not configured for your current demands, your entire operation can suffer. We help businesses across Denver by upgrading panels and circuits for safety, performance, and long-term scalability. Our services include:

  • Panel replacement and load calculations
  • Circuit upgrades and reconfigurations
  • Dedicated lines for equipment and HVAC
  • Subpanel installation for larger properties
  • Breaker replacement and labeling
  • Code compliance checks and permitting support


If you are planning a remodel or outgrowing your current setup, we can modernize your system and give you the power you need.

Commercial Projects We Support

We provide panel and circuit upgrades for a wide variety of commercial environments across Denver, including:

  • Office spaces and coworking hubs
  • Restaurants, salons, and hospitality venues
  • Medical clinics and dental offices
  • Retail shops and showrooms
  • Warehouses and light industrial facilities
  • Multi-tenant and mixed-use buildings


We understand the unique needs of each space and ensure your upgrades are designed to meet both current demand and future growth.

Why Denver Businesses Choose Harmony Electric

Property managers, facility directors, and contractors across Denver choose Harmony Electric for dependable electrical upgrades and expert service. We are trusted for:

Licensed and insured electricians with commercial experience

Deep knowledge of Denver codes, permits, and inspection standards

Minimal disruption to business operations

Clear coordination with your GC or project team

Neat, professional work and long-lasting results

We upgrade panels and circuits with precision and care, so your system works the way it should from day one.

Where We Work

Harmony Electric proudly serves businesses in Denver and the surrounding metro area. We are familiar with permitting timelines, local inspection processes, and the unique requirements of commercial power systems.

We work in:

  • Aurora
  • Castle Rock
  • Castle Pines
  • Centennial
  • Littleton
  • Parker


Our team brings reliable craftsmanship and consistent service to every job, no matter the size or complexity.

Start Your Commercial Panel and Circuit Upgrades Today

Need to install or upgrade your building’s emergency lighting? Harmony Electric is ready to help. We’ll assess your needs, plan your layout, and install reliable lighting that meets code and inspection standards.

See Why Our Customers Love Us

Frequently Asked Questions

The cost of EV charger installation varies based on your home’s electrical system and the location of the charger. Harmony Electric offers free consultations to provide an accurate estimate tailored to your needs.

Yes, garages are the most common location for EV chargers. We ensure proper wiring, mounting, and safety measures for optimal performance.

A Level 2 charger operates on 240 volts and is significantly faster than a standard Level 1 charger. It’s ideal for home use, offering a full charge in just a few hours.
Yes, permits are typically required for EV charger installations. Harmony Electric handles all permitting to ensure compliance with local regulations.
Absolutely. If your panel requires an upgrade to support an EV charger, we provide comprehensive solutions to meet your needs.

We install all major EV charger brands, including Tesla, ChargePoint, JuiceBox, and more.

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