CANONICAL ENERGY PROFILE SOURCE CLASSES KEPT APART
ENERGY ORGANIZATION / CONSTELLATION
Constellation
Also indexed as Constellation Energy
Source-linked data-center relationship
Constellation: source-linked data-center energy relationships, projects, capacity stages, roles, and original documents in Cloud Draw.
Source-established role / class
Generator / project developer · Utility / power supplier
Country / scope
United States
Published geography
PJM / Illinois
Evidence checked
Aug 30, 2026
Identity and evidence classes.
Official source identifiers join records when available. Similar labels, brands, establishments, subsidiaries, parents, and affiliates remain separate until a source establishes the relationship.
Cloud Draw energy ID
curated:constellation-generation
Record classes
Source-linked data-center relationship
Source-established role / class
Generator / project developer · Utility / power supplier
Original-source routes
2
Data-center relationships and capacity facts.
Operating, construction, contracted, approved, framework, forecast, and manufacturing figures stay separate. Parent totals and included projects are marked so they are never counted twice.
Offsite power purchase agreementLondonderry Township, Pennsylvania
Crane Clean Energy Center restart
Microsoft + Constellation · 835 MW
Fuel / technology
Nuclear
Status
Restart planned
Timeline
20-year PPA; Constellation later accelerated restart work toward 2027
Scope
Grid generation matched to Microsoft data-center electricity in PJM; not onsite production
The 835 MW plant output is not a disclosure of Microsoft facility load.