Alternative Energy Source (AES) was founded in 1991, starting as an Ohio natural gas marketing firm evolving today into a full service energy management company. AES has established a solid network of energy providers throughout the country. By utilizing our experience and knowledge, our team will work with you to understand your business. We will structure a cost effective and customized procurement strategy to meet your specific needs, not those of the supplier. AES specializes in energy procurement of natural gas and electricity, demand response, risk management, energy efficiency, solar, and utility data management. Clients turn to AES because they need problems solved, whether those problems are energy related or managing the impact to their bottom-line. Powered by the expertise of our people, AES builds a team-based approach to service clients and we work hard to become a trusted, independent, transparent and unbiased business partner.