Categorical Exclusion Determination
Office of NEPA Policy and Compliance
August 15, 2018Western Area Power Administration proposes to approve a request by Tri-State Generation and Transmission Association, Inc. to replace a circuit switcher, replace transformer relay protection, install a new 115-kilovolt disconnect switch, metering, instrument transformers and communication equipment at the Western Area Power Administration-owned Hygiene Substation located in Boulder County, Colorado.