The most trusted leader in
residential energy efficiency


Engaging with customers
to make smart energy choices


Helping millions of
homeowners save energy


Energy efficiency programs
that achieve performance goals


Delivering innovative, cost
effective program strategies

girl smelling sunflower

Seasoned experts, proven
programs, lasting results

For Program

& Energy Pros

& Renters

Conservation Services Group is the leader in energy efficiency program management. Our innovative, cost-effective solutions deliver big energy savings for our clients.
Contact us now to find out more!


CSG has been awarded four VEMA Awards for a corporate logo and marketing creative on behalf of our clients SDG&E and PECO:
  • SDG&E Green Business Network Banner (Chula Vista)
  • SDG&E Green Business Network "Energy Blitz” Poster
  • PECO “Smart House Call” Bill Insert
  • energyMeasure Logo Design
Ameren Illinois wins a Residential Energy Efficiency Award for the Illinois Tornado Assistance Program designed and managed by CSG, which distributed $1.6 million to rebuild and replace homes damaged by the February 2012 tornadoes in southern Illinois. View article
Steve Cowell receives the 2014 Tony Woods Award for Excellence in Advancing the Home Performance Industry from the Building Performance Institute, Inc. (BPI). View press release
Conservation Services Group congratulates 11 clients for winning EPA ENERGY STAR Awards. View press release
CSG has received 4 AVA Digital Awards:
  • Platinum: CSG Website
  • Gold: 2012 Holiday eCard
  • Honorable Mention: Website Homepage
  • Honorable Mention: 2013 Holiday eCard


CSG expands Consulting Services division to better deliver energy efficiency solutions for new and existing buildings and facilities. View press release
CSG Technical Director Bruce Harley has been appointed to the new California Technical Forum to peer-review savings estimates and measurement parameters in California's energy efficiency programs. View press release
The Home Performance Coalition names Brian T. Castelli as Chief Executive Officer. Read more    
CSG's Steve Cowell quoted by Advanced Energy Economy (AEE)'s article on how Americans overwhelmingly support modernizing the U.S. electrical grid. View article

energy efficiency program results: CSG