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.

Latest News

April 17 , 2024 · by SWEEP

Colorado PUC adopts landmark gas regulatory decision

April 17, 2024 | Sierra Club, Western Resource Advocates, Southwest Energy Efficiency Project, and NRDC Yesterday, the Colorado Public...

April 05 , 2024 · by SWEEP

2024 IECC not what we expected: Can we make lemonade out of this code?

April 5, 2024 | Jim Meyers, Buildings Program Director Last month, the International Code Council (ICC) Board of Directors...

March 07 , 2024 · by SWEEP

Tools of the trade: Training resources to support more efficient, electrified buildings

March 7, 2024 | Christy Bolognani, Buildings Program Associate Thanks to ambitious emissions goals set by state and local...

SWEEP Programs

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.

Resources & Publications

Publications, reports, fact sheets, white papers, bill explainers, and other resources authored by SWEEP experts.

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About SWEEP

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.