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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 the Geysers Calistoga Power Plant Net Generation [EIA-923, Calpine] (GWh)

U.S. EIA Form EIA-923 (Plant ID 10469)

AnnualMonthly
Latest, Aug 2026
35.70
Period ended Aug 28, 2026
Change on a year earlier
-8.9%
39.20 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)

Monthly history

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

PeriodEndedThe Geysers Calistoga Power Plant Net Generation [EIA-923, Calpine] (GWh)Year on yearSource
Aug 2026Aug 28, 202635.70-8.9%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Jul 2026Jul 28, 202640.90+2.2%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Jun 2026Jun 28, 202638.80-1.3%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
May 2026May 28, 202621.30-37.9%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Apr 2026Apr 28, 202640.80+2.8%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Mar 2026Mar 28, 202642.50+29.2%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Feb 2026Feb 28, 202634.50+1.5%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Jan 2026Jan 28, 202641.00+2.2%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Dec 2025Dec 28, 202540.80+3.6%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Nov 2025Nov 28, 202536.60-7.1%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Oct 2025Oct 28, 202540.20-1.0%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Sep 2025Sep 28, 202537.60-2.6%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Aug 2025Aug 28, 202539.20-3.0%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Jul 2025Jul 28, 202540.00+0.5%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
Jun 2025Jun 28, 202539.30-1.3%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗
May 2025May 28, 202534.30-20.4%U.S. EIA Form EIA-923 (Monthly Plant-Level Generation & Fuel Consumption Data, 2021–2026) ↗

Cite this data

StockData. (2026). Constellation Energy The Geysers Calistoga Power Plant Net Generation [EIA-923, Calpine] (GWh), monthly Jan 2021–Aug 2026 [Data set]. Compiled from Constellation Energy SEC filings and investor materials. https://stockdatahq.com/stocks/ceg/kpis/eia923_geysers_calistoga

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