Company: EAI
Filing Date: 2025-02-18
Form Type: 10-K
Source: 0000065984-25-000012
Chunk: 86

Company: ENTERGY ARKANSAS, LLC
Filing Date: 2025-02-18
Form: 10-K
Item: Item 1A
Chunk 86
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 under a designated PPA between Entergy Louisiana and Entergy Mississippi, effective as of January 1, 2025.  See Note 8 to the financial statements for discussion of Entergy Louisiana’s divestiture from the Unit Power Sales Agreement.

(b)Represents natural gas sourced for Simple Cycle Combustion Turbine units and Combined Cycle Gas Turbine units.

(c)The percentage of nuclear and renewable energy includes energy procured or produced for the benefit of certain customers through special tariffs, contracts, or renewable program subscriptions, and those customers retain the exclusive claims to all associated environmental attributes, renewable energy credits, and other relevant clean energy certifications.

(d)Includes generation from both owned and purchased power resources.

(e)Excludes MISO purchases and renewables purchased through purchased power agreements.

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Table of ContentsPart I Item 1Entergy Corporation, Utility operating companies, and System Energy

(f)In December 2013, Entergy integrated its transmission system into the MISO RTO.  Entergy offers all of its generation into the MISO energy market on a day-ahead and real-time basis and bids for power in the MISO energy market to serve the demand of its customers, with MISO making dispatch decisions.  The MISO purchases metric provided for 2024 is not projected for 2025.

Some of the Utility’s gas-fired plants are also capable of using fuel oil, if necessary.  Although based on current economics the Utility does not expect fuel oil use in 2025, it is possible that various operational events including weather or pipeline maintenance may require the use of fuel oil.

Natural Gas

The Utility operating companies have long-term and short-term firm and interruptible gas contracts for both supply and transportation.  Over 70% of the Utility operating companies’ power plants maintain some level of long-term firm transportation.  Long-term, short-term, and spot-market purchases satisfy gas requirements.  Entergy Texas owns a gas storage facility and Entergy Louisiana has a firm storage service agreement that provide reliable and flexible natural gas service to certain generating stations.

Many factors, including wellhead deliverability, storage, pipeline capacity, and demand requirements of end users, influence the availability and price of natural gas supplies for power plants.  Demand is primarily tied to weather conditions as well as to the prices and availability of other energy sources.  Pursuant to federal and state regulations, gas supplies to power plants may be interrupted during periods of shortage.  To the extent natural gas supplies are disrupted or natural gas prices significantly increase,