Sustainable Energy Systems LLC - Profile & Reviews

Primary Lines of Business

  • Installer

  • Roofer

  • Electrical Contractor

Sustainable Energy Systems LLC - Profile & Reviews

Primary Lines of Business

  • Installer

  • Roofer

  • Electrical Contractor

Additional Services Offered

Additional Services Offered
  • Installation
  • Financing
  • Roofing
  • Electrical Contracting
  • Solar Repair & Maintenance

Why Work With Us

Why Work With Us

Sustainable Energy Systems, based in Frederick, Maryland, is a locally grown, family-owned business that has been operating since 2008. We provide turn-key residential and commercial solar installations that are constructed using the industry’s top products and methods.

SES has installed thousands of organically developed solar projects throughout the Mid-Atlantic, which makes us one of the most experienced installers in the region. We have been fortunate to install for some of the largest solar companies in the U.S. to include SunRun, SolarCity, and Sungevity. This has allowed us to become experts in multiple installation techniques and components; expertise that we will bring to your project!

Our company motto is “Stick it Where the Sun DOES Shine!” Though it is intended to make people laugh, we take that motto seriously. Whether it is on your roof, in your yard, or on your business - Sustainable Energy Systems offers a reliable and quality solar installation that is sure to get you powered by the sun in no time!

More About Us

More About Us

Sustainable Energy Systems offers sales, design, engineering, procurement, installation, and commissioning services.

We also offer multiple options to go solar including cash purchase, financing, lease and power purchase agreements.

Technology Offered

Technology Offered
  • Solar PV
  • Energy Storage

Reviews from Our Community

Reviews from Our Community
5 Reviews
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jim.bogden
"Very happy with our installation"
Reviewed May 06, 2018
"Very happy with our installation"

It was easy to work with Sustainable Energy Systems every step of the process. Each person we interacted with was professional, knowledgable and pleasant. Although the installation process took much longer than expected, it was due to permitting and interconnection delays out of Sustainable's control. Yet they kept us well ...

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dannomcg
"Good presentation and installation"
Reviewed Jan 01, 2018
"Good presentation and installation"

We met with several installers. Some used questionable estimates for the return on investment. Primarily was the use of the first year's generation numbers for the ROI. There will be documented degradation of the panels each year, dropping to around 80% after 20 years. Using the first year's production vs ...

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1 out of 1 people found this review helpful
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erintjohnson6
"Great solar pv installation by Sustainable Energy Systems"
Reviewed Sep 09, 2015
"Great solar pv installation by Sustainable Energy Systems"

In mid-March 2015, Sustainable Energy Systems (SES) installed our solar pv system and our experience was positive. The salesman provided good education and answered all our subsequent questions while never being pushy. SES negotiated a bulk purchase agreement with a non profit and that resulted in a sizable discount. The ...

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4 out of 4 people found this review helpful
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kbcbab
"Sustainable Comes Through at Every Stage of Project"
Reviewed Sep 05, 2015
"Sustainable Comes Through at Every Stage of Project"

This project was the second time we have installed solar on our home and ten vendors were invited to submit proposals. Some vendors shied away because of a metal roof (panels actually on our barn); some lost out because they viewed the needed trenching to the house as a homeowners ...

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4 out of 4 people found this review helpful
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donna.terrone
"So happy we went with S.E.S! "
Reviewed Sep 04, 2015
"So happy we went with S.E.S! "

My husband and I could not be happier with the entire process with this company. Starting with the knowledgable sales manager, who answered all of our many questions and addressed all of our concerns. To their entire installation and technical team. We love this company! We have had our panels ...

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3 out of 3 people found this review helpful
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