Solar & Electrical Company: Commercial & Residential Solar Energy Systems & Electrical Services in Rockville, MD


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(443) 559-0174

For five years, Power Factor has been the go-to contractor for difficult and complex solar projects.

We have provided our Rockville clients with industry leading solar energy electrical contractors since our company's inception in 2013, Power Factor was founded by master electrician and patent designer George Lang IV after a 20-year career working in electrical and solar with the goal of becoming the go-to contractors for difficult and complex solar projects nationwide, and globally for a select group of clients.

Rockville Electrical Contractors

All Power Factor contractors and project managers are professionally-trained and OSHA certified to provide our clients with quality safety practices. We review blueprints before, during and after construction to maintain quality control, and consistently provide on-time and on-budget solar panel projects every time. We have successfully executed the design, procurement, delivery and construction of over 4000 installations to the satisfaction of our customers not many other companies in Rockville, even those who have been in business longer than we have, can say that.


Power Factor of Rockville Cares

A family owned business, we have extensive work experience with solar panels in the Rockville community but have also successfully worked on projects in remote places all over the world. We also have a deep dedication to communities nation-wide, not just our own; following the devastating 2017 floods in Texas, our electrical contractors immediately gathered our tools and drove down to see how we could help. Our primary business goal at the Rockville location is to provide you with friendly, quality, on-time service--we want to know how we can help you with your next Rockville solar panel system project.

Providing Rockville With a Complete List of Services

With over 50 full-time employees and offices in Rockville, Charleston, Kansas and now Rockville, Power Factor provides you with the best trained solar energy electricians, all experts in construction and installation services for renewable solar power projects ranging from 1kw to 100MW. Strategically and logistically driven to deliver quality, on-time and on-budget solar panel system projects, Power Factor's electricians can provide you with: commercial, rooftop and canopy solar panels, utility ground-mounted solar panels, off-grid and industrial-scale storage installation, LED upfits for energy conservation, commercial electrical services, military electrical services, and military-tested and approved portable solar/storage designs. We also have an exclusive wire (patent pending) that we can use in our Rockville projects for faster, more cost-effective solar energy.

Make an appointment with our experts to find out what sets us apart from our competition.

Why Choose Power Factor?


Unlike several other companies, Power Factor WILL NOT charge you any hidden fees.


We are available 24 hours a day, 7 days a week, to assist you with any electrical problems that may arise.


Our technicians are experienced, industry certified and people we would trust working inside our own homes.


Contact Us Today and Schedule a Free Consultation!

Power Factor's professional electrical contractors are ready to help you accomplish all your solar energy and electrical needs in Rockville and surrounding areas. We guarantee the delivery of on-time and on-budget projects every time!