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Common Use System

The Common Use System (CUS) is a joint transmission system Basin Electric Power Cooperative participates in with Black Hills Power Inc. and Powder River Energy Corporation (PRECorp).

The Common Use System has filed with the FERC a joint open-access transmission tariff that provides transmission service over these utilities' combined 230-kilovolt (kV) and limited 69-kV transmission facilities within areas of Southwestern South Dakota and Northeastern Wyoming. The system is made up of 650 circuit miles of which 134 miles are owned by Basin Electric.

The joint open-access transmission tariff also provides for the transmission service associated with the 200-MW Direct Current (DC) tie facility located at Rapid City, SD. This facility is jointly owned by Black Hills Power and Basin Electric.

The Western Area Power Administration – Rocky Mountain Region (Loveland Office) provides the OASIS Management for the tariff. The Common Use System OASIS information is located on the WACM OASIS home node at www.oatioasis.com. It is listed as "Common-Use-System (BEPC BHP PREC) BHBE".

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• Common Use System
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