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Vistra Corp.

VSTNYSEElectric ServicesFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 10, 2026Score 13/301% below fair value
$134.61−3.76 (-2.72%)

Close on Nov 2, 2026Market cap $45.18BP/E 22.7Yield 0.67%

Vistra Nuclear Fleet Capacity Factor by Quarter

Nuclear Fleet Capacity Factor — Texas (Comanche Peak, %) (%)

QuarterlyAnnual

Vistra Nuclear Fleet Capacity Factor: 85.0% in Q2 2026, down 1.0 pts from a year earlier.

Latest, Q2 2026
85.0%
Period ended Jun 30, 2026
Change on a year earlier
-1.0 pts
86.0% in Q2 2025
History
22 quarters
Since Q1 2021
Sources
17
Documents cited below

Where the Q2 2026 figure comes from

Source: Vistra Corp. — 2026 Q2 Results Investor Presentation ↗

Reported in Quarterly Results Presentations & Form 10-Q / 10-K MD&A.

Quarterly history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedNuclear Fleet Capacity Factor — Texas (Comanche Peak, %) (%)Year on yearSource
Q2 2026Jun 30, 202685.0%-1.0 ptsVistra Corp. — 2026 Q2 Results Investor Presentation ↗
Q1 2026Mar 31, 2026100.0%0.0 ptsVistra Corp. — 2026 Q1 Results Investor Presentation ↗
Q4 2025Dec 31, 2025100.0%+17.0 ptsVistra Corp. — 2025 Q4 Results Investor Presentation ↗
Q3 2025Sep 30, 202595.0%-4.0 ptsVistra Corp. — 2025 Q3 Results Investor Presentation ↗
Q2 2025Jun 30, 202586.0%-10.0 ptsVistra Corp. — 2026 Q2 Results Investor Presentation ↗
Q1 2025Mar 31, 2025100.0%+4.0 ptsVistra Corp. — 2026 Q1 Results Investor Presentation ↗
Q4 2024Dec 31, 202483.0%0.0 ptsVistra Corp. — 2025 Q4 Results Investor Presentation ↗
Q3 2024Sep 30, 202499.0%+1.0 ptsVistra Corp. — 2025 Q3 Results Investor Presentation ↗
Q2 2024Jun 30, 202496.0%+19.0 ptsVistra Corp. — 2025 Q2 Results Investor Presentation ↗
Q1 2024Mar 31, 202496.0%-4.0 ptsVistra Corp. — 2026 Q1 Results Investor Presentation ↗
Q4 2023Dec 31, 202383.0%-17.0 ptsVistra Corp. — 2024 Q4 Results Investor Presentation ↗
Q3 2023Sep 30, 202398.0%+3.0 ptsVistra Corp. — 2024 Q3 Results Investor Presentation ↗
Q2 2023Jun 30, 202377.0%-2.0 ptsVistra Corp. — 2024 Q2 Results Investor Presentation ↗
Q1 2023Mar 31, 2023100.0%-1.0 ptsVistra Corp. — 2025 Q1 Results Investor Presentation ↗
Q4 2022Dec 31, 2022100.0%+20.0 ptsVistra Corp. — 2023 Q4 Results Investor Presentation ↗
Q3 2022Sep 30, 202295.0%-8.0 ptsVistra Corp. — 2023 Q3 Results Investor Presentation ↗

Breakdown

What makes up nuclear Fleet Capacity Factor

Cite this data

StockData. (2026). Vistra Nuclear Fleet Capacity Factor (%), quarterly Q1 2021–Q2 2026 [Data set]. Compiled from Vistra SEC filings and investor materials. https://stockdatahq.com/stocks/vst/kpis/cf-tx-nuc-slide-pct

See every metric in the Vistra KPI table. Data updated Nov 1, 2026.