Commonwealth Associates is an engineering and consulting firm focused on power systems. Founded in 1988 and headquartered in Jackson, Michigan, the firm has over 35 years of industry experience and was ranked 441st on the ENR Top 500 Design Firms list in 2024. It is a 100% employee-owned company.
The firm's technical work spans power system engineering, substation design, transmission and distribution line engineering, electrical system studies, and construction management. Its expertise extends to cogeneration, CHP systems, solar installations, battery energy storage systems (BESS), microgrids, and sustainable energy strategies.
Commonwealth Associates serves clients across the nation, including utilities, independent power producers, government agencies, industrial clients, and academic institutions within the energy and renewable energy sectors.
