Nuclear stocks / Nuclear utilities / Nuclear utility
Constellation Energy
NASDAQ:CEGUnited Stateswebsite
Constellation Energy is a utility with a nuclear fleet listed on the NASDAQ as CEG, with operations in United States, tracked under the nuclear utilities stage. On this site it is joined to 1 tracked reactor project, 2 datacenter deals, 1 policy ledger event, 12 operated reactor sites, each shown below with its own source.
Market cap
$106.43B
live · primary listing
Share price
$300.40
NASDAQ:CEG · -15.7% 1y
Dividend yield
0.63%
analyst target $341.53 (22 analysts)
Segment
Nuclear utility
United States
Headline figures
CEG share price
What they do
- Holds interests in 22,069 MW of net nuclear generating capacity across 14 stations, ownership-adjusted, per the Item 2 properties table at December 31, 2025.
- Restarting Three Mile Island Unit 1 as the Crane Clean Energy Center under a 20-year power purchase agreement with Microsoft. (2024-09)
- Signed a 20-year agreement with Meta for the output of the Clinton Clean Energy Center in Illinois. (2025-06)
GEM still files the former Exelon Generation fleet under that name; South Texas is operated by STP Nuclear Operating and is not in the operated-site join (Constellation's 44% interest is in the owned figure).
Reportable nuclear segment: Nuclear is a disclosed generation line in the FY2025 Form 10-K properties table; the owned capacity and its share of the fleet are cited below.
Owned nuclear capacity: 22,069 MW (69.7% of owned capacity) as of 2025-12-31. Item 2 lists interests in net electric generating capacity by station at December 31, 2025; the uranium-fuelled stations sum to 22,069 MW of a 31,676 MW total (69.7%), ownership-adjusted (Quad Cities 75%, Peach Bottom 50%, Salem 42.59%, South Texas 44%).
On this site
Reactor projects tracker →
- Crane Clean Energy Center (TMI-1 restart)PWR (restart) · 835 MW · under construction · target 2028 · Microsoftsource
Datacenter deals deal book →
- Meta1,121 MW · signed · firm · Clinton Clean Energy Centersource
- Microsoft835 MW · under construction · firm · Crane Clean Energy Center (ex-TMI Unit 1)source
Firm means signed and binding; investments and memoranda never count as contracted power.
Policy ledger timeline →
- Constellation receives DOE waiver to import Russian enriched uranium through 20252024-10 · waiversource
Operated reactor sites map →
- Braidwood2,500 MW · 2 units · United Statessource
- Byron2,452 MW · 2 units · United Statessource
- Calvert Cliffs1,829 MW · 2 units · United Statessource
- Clinton1,098 MW · 1 unit · United Statessource
- Dresden1,885 MW · 2 units · United Statessource
- James A Fitzpatrick849 MW · 1 unit · United Statessource
- LaSalle2,414 MW · 2 units · United Statessource
- Limerick2,388 MW · 2 units · United Statessource
- Nine Mile Point1,962 MW · 2 units · United Statessource
- Peach Bottom2,824 MW · 2 units · United Statessource
- Quad Cities1,880 MW · 2 units · United Statessource
- Robert Emmett Ginna608 MW · 1 unit · United Statessource
Operated site capacity, not ownership share. Source: Global Energy Monitor, Global Nuclear Power Tracker, September 2025 release (CC BY 4.0).
Guides
Frequently asked questions
- What does Constellation Energy do?
- Baltimore-based owner of the largest nuclear fleet in the United States, with interests in 22,069 MW of net nuclear generating capacity across the Midwest, Mid-Atlantic, New York and Texas, and the counterparty to the Microsoft (Crane restart) and Meta (Clinton) hyperscaler power agreements. Holds interests in 22,069 MW of net nuclear generating capacity across 14 stations, ownership-adjusted, per the Item 2 properties table at December 31, 2025. Each statement links to the company disclosure that supports it.
- Where does Constellation Energy sit in the nuclear value chain?
- Constellation Energy is tracked under the nuclear utilities stage as a utility with a nuclear fleet. Reportable nuclear segment: Nuclear is a disclosed generation line in the FY2025 Form 10-K properties table; the owned capacity and its share of the fleet are cited below.
- Which reactor projects is Constellation Energy tied to?
- Crane Clean Energy Center (TMI-1 restart) (835 MW, under construction): 835 MW of disclosed nameplate across 1 tracked project, each cited on the reactors tracker.
- Does Constellation Energy have datacenter power deals?
- The deal book records 2 deals naming Constellation Energy as counterparty (Meta, Microsoft): 1,956 MW announced, of which 1,956 MW is signed and binding. Investments and memoranda are never counted as firm.
- How much nuclear capacity does Constellation Energy operate?
- Constellation Energy operates 21 units at 12 sites totalling 22,689 MW, per Global Energy Monitor, Global Nuclear Power Tracker, September 2025 release (CC BY 4.0). Operated site capacity is not ownership share; the company's own filing states 22,069 MW owned.
- Which government actions involve Constellation Energy?
- The policy ledger lists 1 event: Constellation receives DOE waiver to import Russian enriched uranium through 2025 (2024-10). Each links to the government or company source.
- Where does Constellation Energy stock trade?
- Constellation Energy trades on the NASDAQ under the ticker CEG. The market cap shown on this page is computed live from the primary listing.
Figures on this page come from the cited disclosures and datasets; the tracker methodology explains stages, materiality tiers and staleness rules. Prices refresh hourly. Informational only, not investment advice.
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Using our data in an article or report? Please credit Yellowcake Analytics with a link.
Yellowcake Analytics. "Constellation Energy (CEG)." Yellowcake Analytics, 2026, https://www.yellowcakeanalytics.com/nuclear-stocks/constellation-energy.
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