Solar Installation Partners

NRG has teamed up with trusted solar installation partners to deliver our rooftop solar solution to Maryland and Massachusetts residents. Our partners have been handpicked because of their best-in-class expertise and extensive experience with hundreds and sometimes thousands of clients they’ve successfully supported with solar installations. We work with them to guide you step-by-step through the solar installation process, from designing the best system and exploring financing options to getting all your questions answered. Read on to learn more about our solar installation partners in your state.

Sustainable Energy Solutions 

Sustainable Energy Solutions (SES) is a family-owned company based out of Frederick, Maryland operating in the mid-Atlantic region for the past 13 years.  They’ve completed over 600 solar installs in the past two years alone and handle all aspects of sales and installation, including storage. 

Customer Testimonials

"We had a great experience with Sustainable Energy Systems. They created a plan for us to install solar panels with an integrated Level II Charger for our electric car. The whole process went smoothly from start to finish, and everyone we worked with at the company was both competent and friendly.  They were very patient with us throughout the process and took the time to thoroughly address all our questions/concerns (including a bunch of technical questions from my mechanical engineer husband). Our solar panels work wonderfully, and we would definitely recommend Sustainable Energy Systems to anyone interested in either solar panels and/or a Level II Charger." - Meredith F. | Arlington, VA

“Our experience with SES was great. Everyone I dealt with was well informed, polite, punctual and happy to answer any questions I had. The installation crew was great and cleaned up well. The installation went smoothly and SES was great at following up after the installation and assisted with the permitting and registration paperwork. I would recommend them to anyone interested in going Solar in the area.” - Kerry R. | Washington, D.C.