Conservation Services Group (CSG) designs and delivers cost-effective energy efficiency programs to help millions of homeowners save energy. As the most trusted leader in residential energy efficiency, we focus on engaging with customers to make smart energy decisions.

CSG brings nearly 30 years of experience and successful collaboration to everything we do. Where some see an energy crisis, we see opportunities for positive change and significantly boosting U.S. energy productivity. See our programs map We work with utilities, state and federal agencies, housing authorities, communities, and others who want to increase program participation and reduce consumer energy use. Scores of utilities across the U.S. have benefitted from CSG’s award-winning program implementation, which begins with our thoughtful collaboration on design.CSG specializes in mid- to large-scale energy efficiency programs for existing homes and new homes, and in integrating demand response and renewables with efficiency programs. Our dedicated team supports thousands of professionals working in the field who rely on our partnership and guidance. CSG’s leadership provides unbiased and solid foundational support.