U.S Senators target 50% national renewable energy standard by 2035, zero-carbon by 2050

Sen. Tom Udall, D-N.M., on Wednesday introduced a bill that would establish a 50% renewable energy standard (RES) across the U.S. by 2035.

The bill would establish annual targets starting in 2020 requiring renewables generation for utilities based on their size. 17.6% of U.S. electricity was powered by renewables at the end of 2018, according to the Energy Information Association.

Currently, 35 states and the District of Columbia have renewable portfolio standards (RPS), but only 11 of those plans meet or exceed the proposed 50% federal standard. Any state with a renewable portfolio standard that meets or exceeds the federal RES could opt out of that standard.

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