To comply with the nine planning principles outlined in the Federal Energy Regulatory Commission (FERC) Order No. 890, Southwestern has incorporated an attachment to its Open Access Transmission Service Tariff (Tariff) for Southwestern’s transmission planning process. Southwestern’s transmission planning is part of the Integrated Transmission Planning performed by the Southwest Power Pool, Inc. (SPP) and upgrades to the Southwestern transmission system are included in the SPP Transmission Expansion Plan.
For more information about Southwestern’s transmission planning process, contact Transmission Planning.
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