Hayden Substation Transformer ReplacementCX(s) Applied: B4.6Date: 08/23/2010Location(s): Routt County, ColoradoOffice(s): Western Area Power Administration-Rocky Mountain Region
Office of NEPA Policy and Compliance
August 23, 2010
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Hayden Substation Transformer Replacement
CX(s) Applied: B4.6
Date: 08/23/2010
Location(s): Routt County, Colorado
Office(s): Western Area Power Administration-Rocky Mountain Region
Western Area Power Administration proposes to replace the existing 100 megavolt-amphere (MVA) three phase transformer, KZ1A, at the Hayden Substation with a new three phase transformer. This project is required to remedy a temporary transformer configuration due to the failure of one of the windings of the original transformer. It is proposed that the temporary 230/138 kilovolt, 1000 MVA KZ1A transformer at Western's Hayden Substation be replaced with a new transformer having greater capacity so that existing and long term transmission system capacity needs can be met as well as introducing operational flexibility.