Company Profile

Alteris Renewables

Alteris Renewables is the largest design-build renewable energy company in the Northeast, with more than 15 megawatts installed for over 3,000 customers over the past thirty years and more than a dozen offices across six states. Alteris provides solar electric (photovoltaic or PV), solar thermal, and wind energy solutions for commercial, residential, education, government and institutional clients. The company has industry-leading expertise in engineering, design, project management, performance analysis, project financing and renewable energy credit programs.

Company Information
Wilton, Connecticut
Year Founded
Company Size
51-200 employees
Inc. Honors
Inc. 5000
No. 417 (2010), No. 205 (2009)