Company: TVC
Filing Date: 2025-07-29
Form Type: 10-Q
Source: 0001376986-25-000044
Chunk: 288

Company: Tennessee Valley Authority
Filing Date: 2025-07-29
Form: 10-Q
Item: Part II, Item 2
Chunk 288
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 future estimated non-nuclear decommissioning costs, was included in non-nuclear AROs.  This decommissioning cost estimate involves estimating the amount and timing of future expenditures and making judgments concerning whether or not such costs are considered a legal obligation.  Estimating the amount and timing of future expenditures includes, among other things, making projections of the timing and duration of the asset retirement process and how costs will escalate with inflation.  The actual decommissioning costs may vary from the derived estimates because of changes in current assumptions, such as the assumed dates of decommissioning, changes in regulatory requirements, changes in technology, and changes in the cost of labor, materials, and equipment.  TVA updates its underlying assumptions for non-nuclear decommissioning AROs at least every five years.  However, material changes in underlying assumptions that impact the amount and timing of undiscounted cash flows are continuously monitored and incorporated into ARO balances in the period identified.TVA maintains an ART to help fund the ultimate decommissioning of its non-nuclear power assets.  See Note 15 — Fair Value Measurements — Investment Funds.  Estimates involved in determining if additional funding will be made to the ART include inflation rate, rate of return projections on the fund investments, and the planned use of other sources to fund decommissioning costs.  See Note 9 — Regulatory Assets and Liabilities and Note 12 — Asset Retirement Obligations.Environmental Matters.  TVA's generation activities, like those across the utility industry and in other industrial sectors, are subject to federal, state, and local environmental laws and regulations.  Major areas of regulation affecting TVA's activities include air quality control, greenhouse gas ("GHG") emissions, water quality control, and management and disposal of solid and hazardous wastes.  Regulations in these major areas have become more stringent in recent years and have had a particular emphasis on climate change, renewable generation, and energy efficiency.TVA has incurred, and expects to continue to incur, substantial capital and operating and maintenance costs to comply with evolving environmental requirements primarily associated with, but not limited to, the operation of TVA's coal-fired and natural gas-fired generating units in general and emissions of pollutants from those units.  Failure to comply with environmental and safety requirements can result in enforcement actions and litigation, which can lead to the imposition of significant civil liability, including fines and penalties, criminal sanctions, and/or temporary or permanent closure of non-compliant facilities.  Historical non-com