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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 Zero Emission Credit (ZEC) Price by Quarter

Zero Emission Credit (ZEC) Price — Illinois Delivery Year ($/MWh) ($)

QuarterlyAnnual

Constellation Energy Zero Emission Credit (ZEC) Price: $1.12 in Q2 2026, down 83.1% from a year earlier.

Latest, Q2 2026
1.12
Period ended Jun 30, 2026
Change on a year earlier
-83.1%
6.64 in Q2 2025
History
22 quarters
Since Q1 2021
Sources
18
Documents cited below

Where the Q2 2026 figure comes from

“|| Illinois (Midwest) | 1.12 | 6.64 | 1.15 | 8.01”

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

Reported in Form 8-K Earnings Release Reference Market Prices & 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

PeriodEndedZero Emission Credit (ZEC) Price — Illinois Delivery Year ($/MWh) ($)Year on yearSource
Q2 2026Jun 30, 20261.12-83.1%Constellation Energy 8-K 2Q26 Release (0001868275-26-000097) ↗
Q1 2026Mar 31, 20261.17-87.5%Constellation Energy 8-K 1Q26 Release (0001868275-26-000063) ↗
Q4 2025Dec 31, 20251.17-87.5%Constellation Energy 8-K 4Q25 Release (0001868275-26-000029) ↗
Q3 2025Sep 30, 20251.17-87.5%Constellation Energy 8-K 3Q25 Release (0001868275-25-000089) ↗
Q2 2025Jun 30, 20256.64+99.4%Constellation Energy 8-K 2Q26 Release (0001868275-26-000097) ↗
Q1 2025Mar 31, 20259.38+3,026.7%Constellation Energy 8-K 1Q26 Release (0001868275-26-000063) ↗
Q4 2024Dec 31, 20249.38+3,026.7%Constellation Energy 8-K 4Q25 Release (0001868275-26-000029) ↗
Q3 2024Sep 30, 20249.38+3,026.7%Constellation Energy 8-K 3Q25 Release (0001868275-25-000089) ↗
Q2 2024Jun 30, 20243.33-58.9%Constellation Energy 8-K 2Q25 Release (0001868275-25-000070) ↗
Q1 2024Mar 31, 20240.30-97.5%Constellation Energy 8-K 1Q25 Release (0001868275-25-000040) ↗
Q4 2023Dec 31, 20230.30-97.5%Constellation Energy 8-K 4Q24 Release (0001868275-25-000020) ↗
Q3 2023Sep 30, 20230.30-97.5%Constellation Energy 8-K 3Q24 Release (0001868275-24-000064) ↗
Q2 2023Jun 30, 20238.11-45.9%Constellation Energy 8-K 2Q24 Release (0001868275-24-000047) ↗
Q1 2023Mar 31, 202312.01-27.2%Constellation Energy 8-K 1Q24 Release (0001868275-24-000031) ↗
Q4 2022Dec 31, 202212.01-27.2%Constellation Energy 8-K 4Q23 Release (0001868275-24-000014) ↗
Q3 2022Sep 30, 202212.01-27.2%Constellation Energy 8-K 3Q23 Release (0001868275-23-000076) ↗

Breakdown

What makes up zero Emission Credit (ZEC) Price

Cite this data

StockData. (2026). Constellation Energy Zero Emission Credit (ZEC) Price ($), quarterly Q1 2021–Q2 2026 [Data set]. Compiled from Constellation Energy SEC filings and investor materials. https://stockdatahq.com/stocks/ceg/kpis/ref-zec-price-il-mwh

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