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Constellation Energy Corp (CEG) operating KPIs

CEGNasdaqElectric ServicesFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026Score 11/302% above fair value
$262.38−2.20 (-0.83%)

Close on Oct 30, 2026Market cap $92.96BP/E 25.6Yield 0.15%

Constellation Energy total Owned Nuclear Fleet Generation Output (GWh)

Reflects proportional ownership share of nuclear generation across Midwest, Mid-Atlantic, New York, and ERCOT (44% of South Texas Project from November 1, 2023). Child unit series show monthly total plant net generation from Form EIA-923.

QuarterlyAnnual
Latest, Q2 2026
44,160.00
Period ended Jun 30, 2026
Change on a year earlier
-2.2%
45,170.00 in Q2 2025
History
22 quarters
Since Q1 2021
Sources
18
Documents cited below

Quarterly history

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

PeriodEndedTotal Owned Nuclear Fleet Generation Output (GWh)Year on yearSource
Q2 2026Jun 30, 202644,160.00-2.2%Constellation Energy 8-K 2Q26 Release (0001868275-26-000097) ↗
Q1 2026Mar 31, 202644,666.00-2.0%Constellation Energy 8-K 1Q26 Release (0001868275-26-000063) ↗
Q4 2025Dec 31, 202545,459.00-0.1%Constellation Energy 8-K 4Q25 Release (0001868275-26-000029) ↗
Q3 2025Sep 30, 202546,477.00+2.1%Constellation Energy 8-K 3Q25 Release (0001868275-25-000089) ↗
Q2 2025Jun 30, 202545,170.00-0.3%Constellation Energy 8-K 2Q26 Release (0001868275-26-000097) ↗
Q1 2025Mar 31, 202545,582.00+0.4%Constellation Energy 8-K 1Q26 Release (0001868275-26-000063) ↗
Q4 2024Dec 31, 202445,494.00-0.2%Constellation Energy 8-K 4Q25 Release (0001868275-26-000029) ↗
Q3 2024Sep 30, 202445,510.00+3.1%Constellation Energy 8-K 3Q25 Release (0001868275-25-000089) ↗
Q2 2024Jun 30, 202445,314.00+8.2%Constellation Energy 8-K 2Q25 Release (0001868275-25-000070) ↗
Q1 2024Mar 31, 202445,391.00+6.9%Constellation Energy 8-K 1Q25 Release (0001868275-25-000040) ↗
Q4 2023Dec 31, 202345,563.00+2.5%Constellation Energy 8-K 4Q24 Release (0001868275-25-000020) ↗
Q3 2023Sep 30, 202344,125.00+0.8%Constellation Energy 8-K 3Q24 Release (0001868275-24-000064) ↗
Q2 2023Jun 30, 202341,895.00-1.5%Constellation Energy 8-K 2Q24 Release (0001868275-24-000047) ↗
Q1 2023Mar 31, 202342,463.00-0.3%Constellation Energy 8-K 1Q24 Release (0001868275-24-000031) ↗
Q4 2022Dec 31, 202244,436.00+4.3%Constellation Energy 8-K 4Q23 Release (0001868275-24-000014) ↗
Q3 2022Sep 30, 202243,794.00-1.3%Constellation Energy 8-K 3Q23 Release (0001868275-23-000076) ↗

Breakdown

What makes up total owned nuclear fleet generation output (gwh)

Cite this data

StockData. (2026). Constellation Energy Total Owned Nuclear Fleet Generation Output (GWh), quarterly Q1 2021–Q2 2026 [Data set]. Compiled from Constellation Energy SEC filings and investor materials. https://stockdatahq.com/stocks/ceg/kpis/nuc_gen_total_gwh

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