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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 South Texas Project by Month

South Texas Project — Unit 1 Total Plant Net Generation [EIA-923, CEG 44% Owner from Nov 2023] (GWh)

AnnualMonthly

Constellation Energy South Texas Project: 959.30 gwh in Aug 2026, down 0.7% from a year earlier.

Latest, Aug 2026
959.30
Period ended Aug 28, 2026
Change on a year earlier
-0.7%
966.50 in Aug 2025
History
68 months
Since Jan 2021
Sources
1
U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026)

Where the Aug 2026 figure comes from

Source: U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗

Reported in U.S. EIA Form EIA-923 (Plant ID 6251).

Monthly history

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

PeriodEndedSouth Texas Project — Unit 1 Total Plant Net Generation [EIA-923, CEG 44% Owner from Nov 2023] (GWh)Year on yearSource
Aug 2026Aug 28, 2026959.30-0.7%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Jul 2026Jul 28, 2026961.20-1.0%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Jun 2026Jun 28, 2026916.30-2.9%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
May 2026May 28, 2026978.80+1.0%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Apr 2026Apr 28, 2026201.20-78.7%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Mar 2026Mar 28, 2026573.90-42.0%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Feb 2026Feb 28, 2026901.60+0.8%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Jan 2026Jan 28, 2026998.700.0%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Dec 2025Dec 28, 2025998.30+0.3%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Nov 2025Nov 28, 2025950.60+62.5%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Oct 2025Oct 28, 2025970.40+735.1%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Sep 2025Sep 28, 2025941.30+1.5%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Aug 2025Aug 28, 2025966.50+6.1%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Jul 2025Jul 28, 2025970.80+37.5%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Jun 2025Jun 28, 2025944.00+2.8%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
May 2025May 28, 2025969.40+3.1%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗

Cite this data

StockData. (2026). Constellation Energy South Texas Project, monthly Jan 2021–Aug 2026 [Data set]. Compiled from Constellation Energy SEC filings and investor materials. https://stockdatahq.com/stocks/ceg/kpis/eia923-stp-1

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