Blanca Peak Substation

Blanca Peak Substation

Location: Mosca, Colo.

Client: Xcel Energy

Completion Date: December 2011

Addition of a greenfield 115-kV three position ring bus substation to allow for 30 megawatts (MW) of solar photovoltaic (PV) power generation to be interconnected with the power system. The substation was inserted in the middle of an existing transmission line to allow for reliable interconnection of the solar facility. Protection and control design on the existing lines included power line carrier piloting schemes and a line differential for the solar PV generation interconnect line via optical ground wire (OPGW) fiber.