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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 Electric Supply & Sales Volume (GWh) by Quarter

QuarterlyAnnual

Constellation Energy ERCOT Electric Supply & Sales Volume (GWh): 6,418.00 gwh in Q2 2026, down 2.1% from a year earlier.

Latest, Q2 2026
6,418.00
Period ended Jun 30, 2026
Change on a year earlier
-2.1%
6,558.00 in Q2 2025
History
22 quarters
Since Q1 2021
Sources
18
Documents cited below

Where the Q2 2026 figure comes from

“|| ERCOT | 6,418 | 6,558 | 12,194 | 12,829”

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

Reported in Form 8-K Operational Statistics & Form 10-K / 10-Q MD&A.

Quarterly history

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

PeriodEndedERCOT Electric Supply & Sales Volume (GWh)Year on yearSource
Q2 2026Jun 30, 20266,418.00-2.1%Constellation Energy 8-K 2Q26 Release (0001868275-26-000097) ↗
Q1 2026Mar 31, 20265,776.00-7.9%Constellation Energy 8-K 1Q26 Release (0001868275-26-000063) ↗
Q4 2025Dec 31, 20255,165.00-8.7%Constellation Energy 8-K 4Q25 Release (0001868275-26-000029) ↗
Q3 2025Sep 30, 20257,536.00-4.8%Constellation Energy 8-K 3Q25 Release (0001868275-25-000089) ↗
Q2 2025Jun 30, 20256,558.00+2.0%Constellation Energy 8-K 2Q26 Release (0001868275-26-000097) ↗
Q1 2025Mar 31, 20256,272.00-1.7%Constellation Energy 8-K 1Q26 Release (0001868275-26-000063) ↗
Q4 2024Dec 31, 20245,659.00-8.3%Constellation Energy 8-K 4Q25 Release (0001868275-26-000029) ↗
Q3 2024Sep 30, 20247,916.00+10.9%Constellation Energy 8-K 3Q25 Release (0001868275-25-000089) ↗
Q2 2024Jun 30, 20246,427.00+6.7%Constellation Energy 8-K 2Q25 Release (0001868275-25-000070) ↗
Q1 2024Mar 31, 20246,383.00+37.7%Constellation Energy 8-K 1Q25 Release (0001868275-25-000040) ↗
Q4 2023Dec 31, 20236,174.00+61.4%Constellation Energy 8-K 4Q24 Release (0001868275-25-000020) ↗
Q3 2023Sep 30, 20237,140.00+25.4%Constellation Energy 8-K 3Q24 Release (0001868275-24-000064) ↗
Q2 2023Jun 30, 20236,026.00+39.3%Constellation Energy 8-K 2Q24 Release (0001868275-24-000047) ↗
Q1 2023Mar 31, 20234,637.00+25.0%Constellation Energy 8-K 1Q24 Release (0001868275-24-000031) ↗
Q4 2022Dec 31, 20223,826.00+7.3%Constellation Energy 8-K 4Q23 Release (0001868275-24-000014) ↗
Q3 2022Sep 30, 20225,692.00+8.1%Constellation Energy 8-K 3Q23 Release (0001868275-23-000076) ↗

Cite this data

StockData. (2026). Constellation Energy ERCOT Electric Supply & Sales Volume (GWh), quarterly Q1 2021–Q2 2026 [Data set]. Compiled from Constellation Energy SEC filings and investor materials. https://stockdatahq.com/stocks/ceg/kpis/supply-sales-ercot-gwh

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