Solar Design Associates, Inc offers engineering and design services that creatively integrate renewable energy systems into buildings and utility infrastructure in New England, nationwide, and around the world.  As solar and engineering professionals, we support utilities, solar developers, academic institutions, and non-profit organizations with complete solar electric, solar thermal, and wind energy systems.  As Owner’s Engineer for solar developers, SDA provides an exceptional depth of knowledge based on over 40 years of experience and an unmatched portfolio of completed work.  Our pioneering work in zero net energy buildings and building integration of solar electric systems (BIPV) keeps us on the forefront of progress towards our renewable energy future.