Alteris™ RenewablesThe most trusted name in renewable energy across the Northeast

Experience. Expertise. Results. They’re the three ingredients to renewable energy you may not have heard about – and the main reasons why Alteris™ has such high customer satisfaction ratings. Our customers have made Alteris the number one solar and wind energy installer in the Northeast for homes and businesses.

Alteris brings together innovative financing options and unsurpassed installation know-how to provide clean energy solutions that work. With over thirty years of experience, nearly 30MW of renewable power operational, and over 3,000 installations, Alteris has an unmatched track record for doing the job right.

Whether you’re a home or business owner considering solar, a ski resort operator looking to harness the cold winds, or a school seeking to inspire students and lower energy costs, Alteris can make it possible. We will customize a solution for your location, energy needs, and budget, while using a craftsman’s eye to produce the best possible installation.

Our History