Income Taxes

3 Months Ended

Mar. 31, 2025

Income Tax Disclosure [Abstract]

Income Taxes

INCOME TAXES

Vistra files a U.S. federal income tax return that includes the results of its consolidated subsidiaries. Vistra serves as the corporate parent of the Vistra consolidated group. Pursuant to applicable U.S. Department of the Treasury regulations and published guidance of the IRS, corporations that are members of a consolidated group have joint and several liability for the taxes of such group.

Income Tax (Expense) Benefit

The components of our income tax (expense) benefit are as follows:

	Three Months Ended March 31,
	2025			2024
	(in millions)
Net loss before income taxes	$	(444)		$	(2)
Income tax benefit	$	176		$	20
Effective tax rate	39.6		%	1,000.0		%

We evaluate and update our annual effective income tax rate on an interim basis based on current and forecasted earnings and tax laws. The mix and timing of our actual earnings compared to annual projections, as well as the amount of pre-tax earnings in comparison to the required discrete items, can cause interim effective tax rate fluctuations.

For the three months ended March 31, 2025, the effective tax rate of 39.6% was higher than the U.S. federal statutory rate of 21% due primarily to state income taxes and permanent differences recorded discretely related to stock-based compensation.

For the three months ended March 31, 2024, the effective tax rate of 1,000.0% was higher than the U.S. federal statutory rate of 21% due primarily to the level of pre-tax earnings during the period and permanent difference recorded discretely related to stock-based compensation, partially offset by mark-to-market losses.

IRA

In August 2022, the U.S. enacted the IRA, which, among other things, implements substantial new and modified energy tax credits, a 15% corporate alternative minimum tax (CAMT) on book income of certain large corporations, and a 1% excise tax on net stock repurchases. We do not expect Vistra to be subject to the CAMT in the 2025 tax year as it applies only to corporations with a three-year average annual adjusted financial statement income in excess of $1 billion. We have taken the CAMT and relevant extensions or expansions of existing tax credits applicable to projects in our immediate development pipeline into account when forecasting cash taxes. See Note 4 for additional information.