Western Area Power Administration (WAPA), Rocky Mountain Region (RMR), proposes to expand the existing Whiterock Substation (WRK) to the north and west, to accommodate an additional 115-kV line bay to serve as a new 12 MW Network Load Point of Delivery (POD) for the proposed Finnerty Substation owned by Tri-State Generation and Transmission Association (TSGT), which is sited to the north of the Whiterock Substation, located in Platte County, Wyoming.