Core Development Group

Core Development Group is an independent U.S.-based renewable energy developer headquartered in Mahwah, New Jersey. Founded in 2012 by Henry Cortes, the company specializes in designing, developing, constructing, and consulting on clean energy projects for commercial clients across North America and internationally. Their core offerings include solar power systems, battery storage solutions (BESS), microgrids, and electric vehicle charging infrastructure.
The firm serves a diverse client base—from small businesses to Fortune 100 companies—delivering turnkey solutions that span feasibility studies through post-installation maintenance. Core’s expertise covers every stage of project delivery: site analysis; engineering; procurement; construction management; permitting; financing options; operations/maintenance; as well as quality assurance consulting.
Recognized as one of the top solar developers nationally by industry rankings such as Solar Power World, Core has contributed to significant carbon emissions reductions through its installations. The company operates across more than 30 states plus select international markets including the Caribbean Islands and Polynesian region. With a strong focus on integrity and long-term partnerships, Core helps organizations achieve sustainability goals while supporting American manufacturing jobs.