SWEEP promotes the expansion and improvement of utility energy efficiency programs, sustainable building codes and regulations, and the advancement of clean transportation in the Southwest. We work on policy to establish energy equity for vulnerable communities, cost savings for homeowners and commuters, and advocacy for tackling the climate crisis.
Serving the southwestern United States in solving complex energy, air pollution, and decarbonization challenges since 2001 by leading the effort to advance energy efficiency in the utilities, buildings, transportation, and industrial sectors.
June 29, 2026Carly Peltier, Industrial Program Associate ———————————————————- Colorado’s Home Electrification and Appliance Rebate (HEAR) Program still has $3.4...
June 11, 2026 ———————————————————- As SWEEP marks its 25-year anniversary this year, there is so much to celebrate. A...
May 26, 2026 | Matt Frommer & Chandler Sanchez ———————————————————- On May 21, the Colorado Department of Transportation (CDOT)...
SWEEP promotes the improvement of utility energy efficiency programs, beneficial electrification, sustainable building codes and regulations, and the advancement of clean transportation in the Southwest. In addition, we advocate for energy equity in vulnerable communities and cost savings for homeowners and commuters through data driven decarbonization solutions.
Publications, reports, fact sheets, white papers, bill explainers, and other resources authored by SWEEP experts.
Visit Resource Library
The Southwest Energy Efficiency Project (SWEEP) is a public-interest organization promoting greater energy efficiency and clean transportation in Arizona, Colorado, Nevada, New Mexico, Utah, and Wyoming. For over two decades, SWEEP’s work has dictated and supported the Southwest region’s forward-thinking progress in advancing energy efficiency and electric vehicles.
