Vistra Corp

7. GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS AND LIABILITIES

Goodwill

As of September 30, 2024 and December 31, 2023, the carrying value of goodwill totaled $2.802 billion and $2.583 billion, respectively.

(a)Goodwill of $1.944 billion is deductible for tax purposes over 15 years on a straight line basis.

(b)Allocation of goodwill attributable to the Energy Harbor acquisition to reporting units is pending completion of purchase accounting measurement period.

Identifiable Intangible Assets and Liabilities

Identifiable intangible assets are comprised of the following:

(a)Includes environmental allowances (emissions allowances and renewable energy certificates) and mining development costs.

Identifiable intangible liabilities are comprised of the following:

Expense related to finite-lived identifiable intangible assets and liabilities (including the classification in the condensed consolidated statements of operations) are comprised of the following:

(a)Amounts exclude LTSA. Amounts include all expenses associated with environmental allowances including expenses accrued to comply with emissions allowance programs and renewable portfolio standards which are presented in fuel, purchased power costs and delivery fees on the condensed consolidated statements of operations. Emissions allowance obligations are accrued as associated electricity is generated and renewable energy certificate obligations are accrued as retail electricity delivery occurs.

Estimated Amortization of Identifiable Intangible Assets

As of September 30, 2024, the estimated aggregate amortization expense of identifiable intangible assets, excluding environmental allowances, for each of the next five fiscal years is as shown below.