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energy utility

Constellation Energy

Largest US nuclear operator; signed 20-yr Three Mile Island restart PPA with Microsoft (2024).

Baltimore, MD$CEG constellationenergy.com

Owned / funded by

Capital and control flowing in

  • Energy Capital Partners· acquired$26.6B

    Constellation acquiring Calpine from ECP for $26.6B (announced Jan 2025) — gas+geothermal scale.

  • CPP Investments· invests in$1.9B

    Net ~$1.9B in Constellation stock + ~$700M cash from the Calpine sale (CPPIB held 15.75% of Calpine since 2018).

Data centers

1 project in the dataset

Supplies / contracts / lobbies for

Outbound services and contracts

  • Microsoft Corporation· supplies$1.6B

    Constellation's 20-year PPA to restart Three Mile Island Unit 1 for Microsoft (2024).

  • Microsoft Corporation· partners with$1.0B

    $1B DOE Loan Programs Office loan guarantee (Nov 18, 2025) financing the Crane (TMI-1) restart that supplies Microsoft's 20-yr PPA.

Data is editorial seed at this stage; relationships reflect public reporting and filings. Suggestions and corrections via GitHub.