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Constellation Energy Corp

CEGNasdaqElectric ServicesFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026Score 12/300% below fair value
$257.25−5.13 (-1.96%)

Close on Nov 2, 2026Market cap $91.15BP/E 25.1Yield 0.15%

Constellation Energy ERCOT Nuclear Generation Output by Quarter

ERCOT Nuclear Generation Output — South Texas Project 44% Ownership [acquired Nov 1, 2023] (GWh)

QuarterlyAnnual

Constellation Energy ERCOT Nuclear Generation Output: 2,036.00 gwh in Q2 2026, down 19.0% from a year earlier.

Latest, Q2 2026
2,036.00
Period ended Jun 30, 2026
Change on a year earlier
-19.0%
2,515.00 in Q2 2025
History
11 quarters
Since Q4 2023
Sources
7
Documents cited below

Where the Q2 2026 figure comes from

“|| ERCOT | 2,036 | 2,515 | 4,388 | 5,044”

Source: Constellation Energy 8-K 2Q26 Release (0001868275-26-000097) ↗

Reported in Form 10-K / 10-Q / 8-K Operational Statistics & EIA-923.

Quarterly history

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

PeriodEndedERCOT Nuclear Generation Output — South Texas Project 44% Ownership [acquired Nov 1, 2023] (GWh)Year on yearSource
Q2 2026Jun 30, 20262,036.00-19.0%Constellation Energy 8-K 2Q26 Release (0001868275-26-000097) ↗
Q1 2026Mar 31, 20262,352.00-7.0%Constellation Energy 8-K 1Q26 Release (0001868275-26-000063) ↗
Q4 2025Dec 31, 20252,030.00+0.6%Constellation Energy 8-K 4Q25 Release (0001868275-26-000029) ↗
Q3 2025Sep 30, 20252,497.00+5.7%Constellation Energy 8-K 3Q25 Release (0001868275-25-000089) ↗
Q2 2025Jun 30, 20252,515.00+41.7%Constellation Energy 8-K 2Q26 Release (0001868275-26-000097) ↗
Q1 2025Mar 31, 20252,529.00+14.9%Constellation Energy 8-K 1Q26 Release (0001868275-26-000063) ↗
Q4 2024Dec 31, 20242,018.00+17.3%Constellation Energy 8-K 4Q25 Release (0001868275-26-000029) ↗
Q3 2024Sep 30, 20242,362.00–Constellation Energy 8-K 3Q25 Release (0001868275-25-000089) ↗
Q2 2024Jun 30, 20241,775.00–Constellation Energy 8-K 2Q25 Release (0001868275-25-000070) ↗
Q1 2024Mar 31, 20242,202.00–Constellation Energy 8-K 1Q25 Release (0001868275-25-000040) ↗
Q4 2023Dec 31, 20231,721.00–Constellation Energy 8-K 4Q24 Release (0001868275-25-000020) ↗

Breakdown

What makes up ERCOT Nuclear Generation Output

Cite this data

StockData. (2026). Constellation Energy ERCOT Nuclear Generation Output, quarterly Q4 2023–Q2 2026 [Data set]. Compiled from Constellation Energy SEC filings and investor materials. https://stockdatahq.com/stocks/ceg/kpis/nuc-gen-ercot-gwh

See every metric in the Constellation Energy KPI table. Data updated Oct 26, 2026.