About Principle Electric
At Principle Electric, we do more than wire buildings—we power peace of mind. As a locally owned and operated electrical contractor based in Centennial, Colorado, we’re proud to serve the residential, commercial, and industrial sectors across the Denver metro area with honesty, precision, and professionalism.
Whether installing a home generator, locating buried lines, or solving complex industrial power challenges, our licensed electricians bring deep expertise and a commitment to doing the job right—the first time, every time.
From start to finish, you’ll get clear communication, upfront pricing, and dependable results built on years of experience. Our name says it all: we’re powered by principle.
Industrial Electrician Services
Industrial systems require precision, power, and technical expertise. Principle Electric delivers durable, high-performance solutions for warehouses, production facilities, and manufacturing operations. From preventative maintenance to emergency troubleshooting, we’re equipped to handle the heavy-duty demands of your operation.
Control Systems & Automation
Motor Controls & VFDs
Power Distribution & Subpanels
Preventative Maintenance & System Monitoring
Thermography & Load Testing
Industrial Lighting & Emergency Backup
Troubleshooting for Complex Equipment
Commercial Electrician Services
We help businesses across Centennial and the Denver metro area stay connected, compliant, and ready for growth. Our commercial electricians understand the importance of performance, uptime, and clear communication—whether you’re operating an office, retail space, or mixed-use facility. We work efficiently and transparently to minimize downtime and maximize results.
Office, Retail, and Mixed-Use Projects
Tenant Finish & Remodels
LED Lighting Retrofits
Code Corrections & Maintenance Contracts
Commercial Generators & Transfer Switches
Electrical Service & Panel Upgrades
Residential Electrician Services
Electrical work in your home isn’t just about functionality—it’s about protecting your family, enhancing your comfort, and preparing your space for the future. Whether you’re upgrading outdated wiring, installing energy-efficient lighting, or adding backup power for peace of mind, we treat every home like it’s our own—with care, attention to detail, and quality you can trust.
Generator Installation & Maintenance (Generac Certified Dealer)
EV Charger Installation
Master Electrician Home Inspections
Electrical Panel Upgrades & Repairs
Whole-Home Rewiring & Troubleshooting
Ceiling Fan & Lighting Installation
Customer Satisfaction
What Our Customers Are Saying
We believe great work speaks for itself—but our customers say it best. See why people across Centennial and the Denver metro area trust Principle Electric when looking for a reliable licensed electrician.
Local. Licensed. Trusted.
Choosing the right electrician shouldn’t be complicated. At Principle Electric, we make it easy with a team you can rely on—for everything from home service calls to complex commercial and industrial projects.
As a locally owned and fully licensed company, we combine technical expertise with honest communication and a commitment to doing the job right the first time. Our work doesn’t just meet code—it meets the highest standards for performance, safety, and long-term reliability.
Here’s What Sets Us Apart
- Licensed, insured, and experienced
- Locally owned and operated
- Dedication to quality, safety, and code compliance
- Transparent communication (including free estimates)
- Certified Generac generator dealer & installer
Let Us Know How We Can Help
Need dependable electrical work for your business, facility, or home? Give us a call to discuss your project or request a quote for your service.
FAQs About Our Electrical Services
Do you offer free estimates?
Yes. We provide free, no-obligation estimates for residential, commercial, and industrial projects. Whether you need a quick repair or a full system install, we’ll give you a transparent quote upfront—no surprises.
Are you licensed and insured?
Absolutely. Justin, the owner of Principle Electric, is a licensed master electrician in the state of Colorado. Our company adheres to all state and local codes, and we carry the proper insurance to protect you and your property.
What areas do you serve?
We’re based in Centennial, Colorado, and serve the greater Denver metro area—including Castle Rock, Aurora, Parker, Highlands Ranch, Douglas County, Arapahoe County, Jefferson County, Elbert County, and surrounding communities.
What brands do you work with?
We work with a wide range of trusted electrical brands and are a certified Generac dealer, offering expert generator installation and maintenance for homes and businesses.
What’s the difference between commercial and industrial electrical service?
Commercial electrical service typically covers retail stores, offices, restaurants, and other customer-facing businesses. Industrial electrical work involves more complex systems, often including high-voltage equipment, manufacturing lines, automation, and specialized safety requirements. Principle Electric is highly experienced in both sectors, offering tailored solutions based on your building’s needs and industry regulations.