Sustainable Energy Systems LLC

Primary Lines of Business

  • Installer

  • Roofer

  • Electrical Contractor

Sustainable Energy Systems LLC

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

Here at Sustainable Energy Systems we take pride in offering quality solar installations and maintenance at reasonable prices.

We hire locally and support multiple renewable energy employment programs offered by local universities.

Over the past decade we have cultivated a loyal customer base through quality installs at competitive costs using American made equipment.

Renewable energy is not always sustainable energy. Factors including the source of materials, the manner of design and installation, client suitability, and lifetime maintenance attribute to the sustainability of a renewable energy system. As green building and renewable energy are becoming more popular, it is important for consumers to ask, what makes a product 'green'? We don't take anything for granted as we work to create an energy independent future.

We look forward to helping you achieve your solar goals!

More About Us

More About Us

Sustainable Energy Systems is a renewable energy design and installation business based in Frederick, MD and operating in the Mid-Atlantic region. We focus on photovoltaic systems (grid tied, battery backup, off-grid) and solar water heating systems.

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

Technology Offered

Technology Offered

Reviews from Our Community

Reviews from Our Community
3 Reviews
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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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1 out of 1 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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2 out of 2 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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1 out of 1 people found this review helpful
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