FERC issues preliminary permit for Phantom Canyon project


 FERC issued a preliminary permit for a proposed 220MW pumped storage project on on Brush Hollow Creek of the Arkansas River in Colorado. From FERC's Order Issuing Preliminary Permit (for docket P-12714):

The proposed project would consist of the following new facilities: (1) an upper reservoir with a maximum storage capacity of 58,000 acre-feet and a surface area of 1,114 acres at normal water surface elevation of 5,600 feet above mean sea level (msl), impounded by an earthen dam, 70-feet-high and 1,400-feet-long; (2) a 38,000-foot-long, 4-foot-diameter river diversion concrete-reinforced pipeline; (3) a 21,750 or 17,825-footlong, 4-foot-diameter steel pipe and/or steel- or concrete-lined penstock; (4) a powerhouse with two 180-220-MW pump/turbines; (5) a lower reservoir with a maximum storage capacity of 10,000 acre-feet and a surface area of 200 acres at maximum water surface elevation of 5,175 feet msl, impounded by a 140-foot-high, 3,800-foot-long earthen dam; (8) a 9-mile-long, 115-kilovolt transmission line. The proposed project would have an annual generation of 280,800-457,600 MWh.