What Constellation makes for data centers
public
Constellation is a publicly listed company. It appears on 2 parts of the AI data center — Nuclear: existing fleet PPAs & restarts and Utilities, IPPs & power providers signing data-center deals — in the role of utility. Those parts sit in Layer 8 — Power generation & energy supply. Its shares trade on US exchanges (NYSE/Nasdaq) as CEG.
Listing
US exchanges (NYSE/Nasdaq): CEG· 253 USD -0.61% · mkt cap 89.8B USD
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
2 parts across 1 layer
No disclosed data-center revenue share on file.
Parts, by layer
Layer 8 — Power generation & energy supply
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| Nuclear: existing fleet PPAs & restarts | utility | inferred | AEP, Ameren, Dominion, Duke Energy, Entergy, NextEra | Crane/TMI-1 restart |
| Utilities, IPPs & power providers signing data-center deals | utility | inferred | AEP, AES, Alliant, Ameren, Brookfield Renewable, CMS | region: US |
Where Constellation sits in the stack
Constellation's placements in this catalog cover 2 parts, all in layer 8, power generation & energy supply. None of them currently carries a sourced supply constraint tag. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- Nuclear: existing fleet PPAs & restarts — Power purchase agreements with existing nuclear plant operators, including deals that fund restarts of previously shuttered reactors, to secure firm, carbon-free power for AI load.
- Utilities, IPPs & power providers signing data-center deals — Utilities, independent power producers, and grid operators that sign the power purchase agreements, interconnection contracts, and generation deals underlying a data center's supply.
Closest peers in this catalog
Latest feed
- Google signs 3.6GW deal with Constellation to secure power in PJM service area — Data Center Dynamics, 2026-10-06Google has signed a 3.6 gigawatt power purchase agreement with Constellation to ensure reliable energy supply for its data centers in the PJM interconnection region.
- Constellation, Google strike 890-MW nuclear deal in PJM — Utility Dive, 2026-10-06Google has signed a power purchase agreement with Constellation to source 890 megawatts of carbon-free electricity from a nuclear portfolio in the PJM interconnection.
- Amazon, Constellation sign 20-year PPA to expand Maryland nuclear plant — Utility Dive, 2026-10-05Amazon has signed a 20-year power purchase agreement (PPA) with Constellation Energy to source carbon-free electricity from a nuclear power plant in Maryland to support its data center operations.
Questions about Constellation
- What does Constellation make for AI data centers?
- This catalog places Constellation on 2 parts: Nuclear: existing fleet PPAs & restarts (utility) and Utilities, IPPs & power providers signing data-center deals (utility).
- Is Constellation publicly traded?
- Yes — Constellation is listed on US exchanges (NYSE/Nasdaq) under CEG. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Who else makes nuclear: existing fleet PPAs & restarts for AI data centers?
- AEP, Ameren, Dominion, Duke Energy, Entergy and NextEra are also placed on Nuclear: existing fleet PPAs & restarts in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Constellation the mix is 2 inferred. "disclosed" means the company or a filing says so; "reported" comes from trade press or a reference-design list; "inferred" is a lead from the taxonomy with no citation yet. Treat reported and inferred as leads, not facts.
Answers are generated from this catalog's own rows — see sources & method.