Saving money and protecting the environment
by advancing energy efficiency
in Arizona, Colorado, Nevada, New Mexico, Utah, and Wyoming


Our Expertise



Caryn Potter to head Arizona state energy efficiency, clean transportation, and climate initiatives for SWEEP

[BOULDER, CO] – The Southwest Energy Efficiency Project (SWEEP) is pleased to announce that Caryn Potter will become the organization's Arizona Representative. Potter held the Utility...

The Southwest Energy Efficiency Project (SWEEP) announces its Allies for 2022

[BOULDER, CO] – The Southwest Energy Efficiency Project (SWEEP) is pleased to announce its Allies for 2022. The companies and nonprofit organizations who have joined or renewed memberships in...

New study: All-electric homes cheaper to build and operate in the Southwest than those that use gas

[BOULDER, CO] – Southwest homes in warmer climate cities such as Phoenix or Las Vegas that are built with highly efficient electric heat pumps will reduce their annual heating cost by 30%, compared...

Colorado legislature scores notable wins on energy efficiency, climate, and transit

[DENVER, CO] – The Colorado legislature wrapped up its 2022 session at midnight on Wednesday, May 11, sending 11 important energy efficiency bills to Governor Polis for his signature...

Colorado legislature approves landmark energy codes bill

[BOULDER, CO] – On May 11th, the Colorado legislature completed the adoption of House Bill (HB) 22-1362 which requires cities and counties to update their building energy codes to increase...

Where We Work

Click on the map to find out what SWEEP is doing in each state.

Nevada Arizona Utah New Mexico Colorado Wyoming