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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 11/302% above fair value
$257.25−5.13 (-1.96%)

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

Constellation Energy U.S. Operable Nuclear Power Reactors [EIA MER Table 8.1] by Month

U.S. Operable Nuclear Power Reactors [EIA MER Table 8.1] (units)

AnnualMonthly

Constellation Energy U.S. Operable Nuclear Power Reactors [EIA MER Table 8.1]: 94 in Jun 2026, unchanged from a year earlier. That is the highest of the 66 months on record here.

Latest, Jun 2026
94
Period ended Jun 28, 2026
Change on a year earlier
0.0%
94 in Jun 2025
History
66 months
Since Jan 2021
Sources
1
U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9)

Where the Jun 2026 figure comes from

Source: U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗

Reported in U.S. EIA Monthly Energy Review Table 8.1 (Nuclear Energy).

Monthly history

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

PeriodEndedU.S. Operable Nuclear Power Reactors [EIA MER Table 8.1] (units)Year on yearSource
Jun 2026Jun 28, 2026940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
May 2026May 28, 2026940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
Apr 2026Apr 28, 2026940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
Mar 2026Mar 28, 2026940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
Feb 2026Feb 28, 2026940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
Jan 2026Jan 28, 2026940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
Dec 2025Dec 28, 2025940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
Nov 2025Nov 28, 2025940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
Oct 2025Oct 28, 2025940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
Sep 2025Sep 28, 2025940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
Aug 2025Aug 28, 2025940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
Jul 2025Jul 28, 2025940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
Jun 2025Jun 28, 2025940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
May 2025May 28, 2025940.0%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
Apr 2025Apr 28, 202594+1.1%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗
Mar 2025Mar 28, 202594+1.1%U.S. Energy Information Administration (EIA) Monthly Energy Review (Tables 7.2a, 7.6, 8.1, 9.8, 9.9) ↗

Breakdown

What makes up U.S. Operable Nuclear Power Reactors [EIA MER Table 8.1]

Cite this data

StockData. (2026). Constellation Energy U.S. Operable Nuclear Power Reactors [EIA MER Table 8.1], monthly Jan 2021–Jun 2026 [Data set]. Compiled from Constellation Energy SEC filings and investor materials. https://stockdatahq.com/stocks/ceg/kpis/eia-us-nuclear-operable-units

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