Company: TVC
Filing Date: 2025-11-13
Form Type: 10-K
Source: 0001376986-25-000056
Chunk: 274

Company: Tennessee Valley Authority
Filing Date: 2025-11-13
Form: 10-K
Item: Item 1
Chunk 274
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30 Pension BenefitsOther Post-Retirement Benefits 2025202420252024Discount rate5.47%4.95%5.62%5.00%Average rate of compensation increase3.97%4.01%N/AN/AWeighted average interest crediting rate5.11%5.13%N/AN/ACost of living adjustment (COLA)(1)2.00%2.00%2.00%2.00%Pre-Medicare eligible per capita claim costsCurrent health care cost trend rateN/AN/A7.75%7.25%Ultimate health care cost trend rateN/AN/A5.00%5.00%Year ultimate trend rate is reachedN/AN/A20362034Pre-Medicare eligible per capita contributionsCurrent health care cost trend rateN/AN/A7.75%7.25%Ultimate health care cost trend rateN/AN/A5.00%5.00%Year ultimate trend rate is reachedN/AN/A20362034Post-Medicare eligibleCurrent health care cost trend rateN/AN/A—%—%Ultimate health care cost trend rateN/AN/A4.00%4.00%Year ultimate trend rate is reachedN/AN/A20292026

Note

(1)  The COLA assumption rate is the ultimate long-term rate.  The CY rate for 2026 is assumed to be 2.49 percent, and for years thereafter the ultimate rate is used.

135

Actuarial Assumptions Utilized to Determine Net Periodic Benefit Cost for the Years Ended September 30 (1) Pension BenefitsOther Post-Retirement Benefits 202520242023202520242023Discount rate4.95%5.95%5.60%5.00%6.05%5.65%Expected return on plan assets(2)6.50%6.50%6.50%N/AN/AN/AWeighted average interest crediting rate5.11%5.13%5.14%N/AN/AN/ACost of living adjustment (COLA)(3)2.00%2.00%2.00%2.00%2.00%2.00%Average rate of compensation increase3.96%4.01%3.28%N/AN/AN/APre-Medicare eligible per capita claims costsCurrent health care cost trend rateN/