Company: TVC
Filing Date: 2025-11-13
Form Type: 10-K
Source: 0001376986-25-000056
Chunk: 684

Company: Tennessee Valley Authority
Filing Date: 2025-11-13
Form: 10-K
Item: Item 2
Chunk 684
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x1 configuration). 

(9)  As of September 30, 2025, TVA had three units that were in long-term outage and unavailable for service at Wilbur Hydroelectric Facility (Units 1-3).  These units are included in their respective locations in the table above; however, the capability from these units is excluded.

(10)  Includes 86 MW of summer net capability associated with Hiwassee Hydro Unit 2.  See Item 1, Business — Power Supply and Load Management Resources — Renewable Energy Resources — Conventional Hydroelectric Dams. 

(11)  See Item 1, Business — Power Supply and Load Management Resources — Hydroelectric Pumped-Storage for a discussion of Raccoon Mountain Pumped-Storage Plant.

(12)  TVA owns approximately one MW of renewable solar capability among nine operating solar installations. 

Transmission Properties

TVA's transmission system interconnects with systems of surrounding utilities and, at September 30, 2025, consisted primarily of approximately 2,500 circuit miles of 500 kilovolt, 12,100 circuit miles of 161 kilovolt, and 1,900 circuit miles of other voltage transmission lines; 5,445 miles of fiber optic lines; 590 transmission substations, power switchyards, and switching stations; and 1,361 customer connection points (customer, generation, and interconnection).

Public Land Management Reservoir Properties

    TVA operates and maintains 49 dams and manages approximately 11,000 miles of reservoir shoreline, 293,000 acres of reservoir land, 650,000 surface acres of reservoir water, and approximately 150 public recreation areas throughout the Tennessee Valley, including campgrounds, day-use areas, and boat launching ramps.

Additionally, TVA manages 154 agreements for commercial recreation (such as campgrounds and marinas).  As part of its stewardship responsibilities, TVA approval is required to be obtained before any obstruction affecting navigation, flood control, or public lands can be constructed across, along, or in the Tennessee River and its tributaries.  These public lands and waters managed by TVA provide both conservation and sustainable recreation.

Buildings

    TVA has buildings and structures located throughout its service area to support TVA's mission of service.  These buildings and structures include generation and transmission facilities, corporate offices, customer service centers, power service centers, warehouses, visitor centers, and crew quarters.  Two significant buildings are its Knoxville Office Complex