State regulators in Colorado have given the green light to plans by Xcel Energy to shut down two coal-powered energy plants in the state, and build one of the world’s largest utility-scale solar-power facilities.
This is exciting stuff: Xcel Energy is going to test 80-ton batteries the size of two semi-trailers to capture the power generated from its wind turbines.
The utility is testing 20 such batteries with an 11-megawatt wind farm in southwestern Minnesota. There’s a test phase set for this spring and then the batteries are expected to go online in October.
The challenge with wind power, explained an Xcel Energy representative, [...]
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