Company: TVC
Filing Date: 2025-11-13
Form Type: 10-K
Source: 0001376986-25-000056
Chunk: 24

Company: Tennessee Valley Authority
Filing Date: 2025-11-13
Form: 10-K
Item: Item 6
Chunk 24
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 developing projects such as a solar cap system on closed coal combustion residual ("CCR") facilities.  In addition, TVA issued a request for proposal ("RFP") in April 2025 for up to 2,250 MW of new build energy resources for potential PPAs.  Energy resources that may participate in this RFP are utility-scale natural gas, battery energy storage systems ("BESS"), solar plus BESS, and solar generation that demonstrate the ability to be commercially operable by CY 2031.  TVA is currently evaluating proposals related to the RFP and plans to issue awards in 2027. 

    Natural Gas-Fired Units.  TVA continues to evaluate adding flexible gas plants as a strategy to maintain reliability.  TVA approved an aeroderivative CT project at TVA’s Johnsonville site for $652 million.  Pre-commercial plant operations began on Johnsonville Aeroderivative CT Units 25-28 in the first quarter of 2025 and began on Units 21-24 and 29-30 in the second quarter of 2025.  Commercial plant operations began on Units 21-25 and 27-30 on May 6, 2025, and Unit 26 on August 20, 2025.  The units have a total summer net capability of 530 MW.  As of September 30, 2025, TVA had spent $646 million on this project, and TVA expects to spend an additional $6 million on this project.

TVA is replacing generation for one unit at Cumberland with a 1,450 MW combined cycle plant that is expected to be operational by the end of CY 2026.  See Coal-Fired Fleet below.  As of September 30, 2025, TVA had spent $1.8 billion on this project, and expects to spend an additional $312 million through CY 2026.  In addition, as of September 30, 2025, TVA had spent $184 million on long lead time equipment in connection with the potential project to replace generation for the second unit at Cumberland.  However, this equipment could be used at other TVA sites if the final project is not approved.  TVA could spend up to an additional $1.2 billion on this potential project.

To operate the Cumberland Combined Cycle Plant, TVA has contracted for the transportation of gas from a gas pipeline that will need to be constructed.  To