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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 Around-the-Clock Spot Electricity Price by Quarter

Around-the-Clock Spot Electricity Price — ISO-NE Southeast Massachusetts ($/MWh) ($)

QuarterlyAnnual

Constellation Energy Around-the-Clock Spot Electricity Price: $48.18 in Q2 2026, up 19.5% from a year earlier.

Latest, Q2 2026
48.18
Period ended Jun 30, 2026
Change on a year earlier
+19.5%
40.31 in Q2 2025
History
22 quarters
Since Q1 2021
Sources
18
Documents cited below

Where the Q2 2026 figure comes from

“|| ISO-NE - Southeast Massachusetts | 48.18 | 40.31 | 83.50 | 72.53”

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

PeriodEndedAround-the-Clock Spot Electricity Price — ISO-NE Southeast Massachusetts ($/MWh) ($)Year on yearSource
Q2 2026Jun 30, 202648.18+19.5%Constellation Energy 8-K 2Q26 Release (0001868275-26-000097) ↗
Q1 2026Mar 31, 2026119+13.4%Constellation Energy 8-K 1Q26 Release (0001868275-26-000063) ↗
Q4 2025Dec 31, 202578.74+43.7%Constellation Energy 8-K 4Q25 Release (0001868275-26-000029) ↗
Q3 2025Sep 30, 202550.43+31.4%Constellation Energy 8-K 3Q25 Release (0001868275-25-000089) ↗
Q2 2025Jun 30, 202540.31+36.8%Constellation Energy 8-K 2Q26 Release (0001868275-26-000097) ↗
Q1 2025Mar 31, 2025105+137.1%Constellation Energy 8-K 1Q26 Release (0001868275-26-000063) ↗
Q4 2024Dec 31, 202454.79+56.8%Constellation Energy 8-K 4Q25 Release (0001868275-26-000029) ↗
Q3 2024Sep 30, 202438.37+14.7%Constellation Energy 8-K 3Q25 Release (0001868275-25-000089) ↗
Q2 2024Jun 30, 202429.46+1.0%Constellation Energy 8-K 2Q25 Release (0001868275-25-000070) ↗
Q1 2024Mar 31, 202444.18-14.8%Constellation Energy 8-K 1Q25 Release (0001868275-25-000040) ↗
Q4 2023Dec 31, 202334.95-54.7%Constellation Energy 8-K 4Q24 Release (0001868275-25-000020) ↗
Q3 2023Sep 30, 202333.45-61.2%Constellation Energy 8-K 3Q24 Release (0001868275-24-000064) ↗
Q2 2023Jun 30, 202329.17-57.8%Constellation Energy 8-K 2Q24 Release (0001868275-24-000047) ↗
Q1 2023Mar 31, 202351.84-53.6%Constellation Energy 8-K 1Q24 Release (0001868275-24-000031) ↗
Q4 2022Dec 31, 202277.07+26.6%Constellation Energy 8-K 4Q23 Release (0001868275-24-000014) ↗
Q3 2022Sep 30, 202286.27+96.9%Constellation Energy 8-K 3Q23 Release (0001868275-23-000076) ↗

Cite this data

StockData. (2026). Constellation Energy Around-the-Clock Spot Electricity Price ($), quarterly Q1 2021–Q2 2026 [Data set]. Compiled from Constellation Energy SEC filings and investor materials. https://stockdatahq.com/stocks/ceg/kpis/ref-elec-price-isone-sema-mwh

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