The Entergy Operating Companies will update their annual MISO Attachment O, Schedule 41, Schedule 42a, Schedule 42b, and Schedule 47 informational posting by September 1, 2015. The transmission revenue requirements of the Entergy Operating Companies (Entergy Arkansas, Inc., Entergy Gulf States Louisiana, L.L.C., Entergy Louisiana, LLC, Entergy Mississippi, Inc., Entergy New Orleans, Inc., and Entergy Texas, Inc.), which contribute to the rates for transmission service in the Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, and Entergy Texas transmission pricing zones, will remain unchanged after June 1, 2015, until September 1, 2015. On May 20, 2015, in Docket No. ER13-948-000, et al., the Federal Energy Regulatory Commission granted the Entergy Operating Companies a temporary and limited waiver of their transmission formula rate implementation protocols and permission to maintain their currently-effective transmission revenue requirements in effect through August 31, 2015.
Entergy's six operating companies (Entergy Arkansas, Inc., Entergy Gulf States, L.L.C., Entergy Louisiana, LLC, Entergy Mississippi, Inc., Entergy New Orleans, Inc., Entergy Texas, Inc.) each own transmission facilities and are Transmission Owners in the Midcontinent Independent System Operator, Inc. ("MISO"), a regional transmission operator.
Each of Entergy operating company's transmission facilities are within one of four MISO transmission pricing zones: TPZ #28 (Entergy Arkansas), TPZ #29 (Entergy Louisiana), TPZ #30 (Entergy Mississippi), or TPZ #31 (Entergy Texas). The rates for transmission service in each of those pricing zones are established through cost-based rate formulas filed with the Federal Energy Regulatory Commission. The rates for each transmission pricing zone may reflect the costs of transmission facilities owned by transmission owners not affiliated with Entergy.
Please refer to the MISO website for a transmission pricing zone's transmission service rates at Transmission Rates
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FERC Form 1 references in the currently effective rates are unchanged from FERC Form 1 references in the previously effective rates.