by Chris Meehan

The American Tradition Institute (ATI) recently filed a lawsuit in the U.S. District Court of Colorado in Denver, challenging the state’s renewable energy standard as unconstitutional. The organization alleged that Colorado’s renewable energy standard is in violation of Commerce Clause and should be declared unconstitutional.

Under Colorado’s renewable portfolio standard, which was last updated in 2010, investor-owned utilities operating in the state are required to get 30 percent of their electricity from renewable sources by 2020.

The popular legislation easily passed both houses of Colorado’s legislature and was signed into law by former Gov. Bill Ritter (D).

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