- Only Burlington, Vermont, and Greensburg, Kansas, have also managed a complete switch.Read more
- The mandate was challenged by a free-market advocacy group that argued that the renewable energy requirements violate the U.S. Constitution.Read more
Xcel Energy wants the state to lower the amount it has to pay Coloradans who put solar panels on their homes. But advocates say the incentive program is key to adding renewable energy to the grid.
[Photo courtesy of Clean Energy Collective]
Colorado's Fort Carson is working to lesson its impact on the environment. Over the next decade, the army base wants to produce as much energy it uses.