Coffin Butte Pumped Storage Hydro

The Coffin Butte Pumped Storage Hydro Project (P-14568) would be a new closed loop facility located on Coffin Butte in Wheatland County, Montana. This hydroelectric facility would consist of an upper and lower off-stream, closed-loop reservoir complex and be sized at approximately 250 MW.

In May 2014, Absaroka Energy, through its single-purpose subsidiary, CB Energy Park LLC (CBEP), received a preliminary permit from the Federal Energy Regulatory Commission (FERC) to begin feasibility studies on the site.

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