ENERGY SYSTEMS GROUP (ESG) is an award-winning energy services company that provides sustainable energy solutions which allow building owners to maximize their energy efficiency and operational performance, while reducing their carbon footprint. Through our core business of performance contracting, we provide our customers with innovative energy efficiency, technology, and long-term financing solutions for modernization of their facilities and energy infrastructure.

Since 1994, the development of long-lasting and trusting relationships continues to be the foundation of our business. ESG has developed facility improvements and energy efficiency projects for customers in the education, healthcare, local, state & federal government, and business sectors.