Solar Installation Partners

NRG has teamed up with trusted solar installation partners to deliver our rooftop solar solution to Maryland, Massachusetts and Illinois 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.

The Suntuity Group

As part of the Suntuity Group, Suntuity Renewables is a national brand that encompasses renewable energy, finance, water filtration, and home services. Founded in 2008, the company has operations in several US states and countries and services thousands of customers across its service footprint. 

The Suntuity Renewables brand offers solar and storage options to homeowners, along with home electrification products and services. For more information, please visit the Suntuity Group website. 

Customer Testimonials

"Hands down the best experience I’ve ever had with any company. My salesman Mike Vicchairelli felt more like a friend then a salesman. Still to this day months after the project is over I can text or call Mike and receive a positive uplifting response immediately. Suntuity worked with me though out this process and always keep me up to date every step of the way. There craftsmanship is leading in the industry. I would highly recommend Suntuity to anyone thinking about going solar." - Adam Stopfer 

“I just got my panels installed this weekend and I’m so excited! The whole process has been amazing! Austin was a fantastic salesman and he was not only courteous during the presentation, but he followed up numerous times throughout the course of the process to make sure I was comfortable and everything was moving forward properly. He kept me informed of each step and was always there to check back in once things were completed. I have been telling everyone just how great this company is! Thank you for everything! I am very satisfied!” - Erika Steiner