About Us

   Sustainable Systems & Design, Int'l, LLC (SSDI) has earned a solid reputation as an international leader in sustainable energy, and the technical support of sustainable development, and sustainability since it was established in 1994.   From cutting edge solar electric-PV systems, to sustainable water supply and waste treatment systems, to sustainable development master plans, and "green" building designs, SSDI has applied its unique range of technical capabilities to help its many valued clients to exceed their sustainability goals.    

A Proven Track Record

SSDI is proud of the many scores of successful projects it has completed through the years, and the many satisfied and supportive clients we have had the pleasure of serving . We look forward to discussing your sustainability goals  and hope to help you exceed your goals with a project that is both technically excellent and cost effective. 


Sustainable Energy System Support

Sustainable Development Technical Support

Sustainable Development Technical Support


  • Solar-PV System Design, Permitting,  Installation, and Maintenance
  • Building Integrated Solar-PV
  • Energy Efficiency Plans and Assessments
  • Energy Storage System Design and Installation
  • System Design and Installation Training

Sustainable Development Technical Support

Sustainable Development Technical Support

Sustainable Development Technical Support


  • Sustainable Development Master Planning
  • Rapid Site Environmental Assessment
  • Sustainable Infrastructure Design and installation
  • Sustainable Community Resilience Planning 
  • "Green" Building Design


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Contact Us

Get an Estimate

How can we help?

We strive to be in constant communication with our customers until the job is done. Please use the form for an estimate, or call us for any questions about pursuing our support of your sustainable energy and/or sustainable development project. We look forward to serving you!

Sustainable Systems & Design Int'l

340 643-2706 ojssdi@gmail.com


Monday - Saturday: 8am - 5pm

Sunday: Closed