Pumped storage

Denmark investment firm Copenhagen Infrastructure Partners would own a pumped-storage hydro project along the Columbia River in south-central Washington.

Federal Energy Regulatory Commission staff has recommended licensing an energy project that would send water drawn from the Columbia River rushing through an underground powerhouse in south-central Washington.

The Goldendale Energy Storage Project would require a small amount of water and supply on-demand energy to back up wind and solar power, according to a FERC draft environmental impact statement.

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