APGI Tapoco OASIS
The Tapoco division of APGI ("Tapoco") owns and operates four hydroelectric plants near Alcoa, Tennessee. Tapoco also owns and operates a number of 161kV transmission lines. These transmission lines primarily connect Tapoco's generating facilities to the Alcoa Tennessee Operations smelting plant.
The transmission assets, approximately twenty (20.58) miles, that connect the four Tapoco hydroelectric plants to the Alcoa, TN smelter were originally installed as feeder lines that supplied self-generated hydroelectric power directly to Alcoa's industrial load. For quite some time the Alcoa - Tapoco system was operated for that purpose with minimal interconnection to a larger transmission network. Eventually, as the regional transmission network grew, the Alcoa - Tapoco transmission lines were electrically connected to the TVA and Duke's transmission systems. There are interconnections to TVA at the Alcoa plant substation and to Duke at the Santeetlah substation. The Tapoco transmission path is a single conductor 161kV line whose total transfer capability is under long term contract to TVA.
Further information is available on the TVA transmission system.
The rates for Tapoco transmission service under its Open Access Transmission Tariff ("OATT") are set forth in the schedules to the Tapoco OATT.
Effective July 13, 2007, FERC Granted a Waiver of Order 889 and 890 Requirements for Tapoco Division.
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Alcoa Tapoco Division Tariff
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Tapoco Waiver
Tapoco received a Waiver from FERC in Docket No. OA07-23-000
 FERC Waiver process
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