Constellation Energy Generation Submits Motion to Intervene and Limited Comments on PECO Transmission Security Agreement

Strategic Insights -

Constellation Energy Generation, LLC, a leading competitive power generator and marketer of electricity and natural gas, has filed a motion to intervene and limited comments with the Federal Energy Regulatory Commission regarding a Transmission Security Agreement between PECO Energy Company and Amazon Data Services, Inc. The agreement, which was filed on September 23, 2025, proposes a bespoke arrangement that potentially extends to matters covered by both state and federal jurisdiction.

Constellation urges the Commission to limit any acceptance of the rates, terms, and conditions presented in the PECO filing to the facts and circumstances of the TSA presented in this proceeding. As a major player in the energy industry, Constellation serves approximately 2 million residential and business customers in various markets throughout the United States, making its interests in this proceeding direct and substantial.

Key Takeaways:

  • Constellation Energy Generation, LLC is a leading competitive power generator and marketer of electricity and natural gas, serving approximately 2 million customers in the United States.
  • The company has submitted a motion to intervene and limited comments with the Federal Energy Regulatory Commission regarding a Transmission Security Agreement between PECO Energy Company and Amazon Data Services, Inc.
  • PECO's filing proposes a bespoke agreement that potentially extends to matters covered by both state and federal jurisdiction.
  • Constellation urges the Commission to limit any acceptance of the rates, terms, and conditions presented in the PECO filing to the facts and circumstances of the TSA presented in this proceeding.
  • Constellation serves customers in 48 states, the District of Columbia, Canada, and the United Kingdom, with operations in various organized markets.
  • The company has approximately 32,000 megawatts of owned capacity, making it one of the largest competitive power generators in the U.S.

Statistics:

  • 2 million: The number of residential and business customers served by Constellation Energy Generation, LLC.
  • 32,000 megawatts: The amount of owned capacity held by Constellation Energy Generation, LLC.
  • 48 states, the District of Columbia, Canada, and the United Kingdom: The jurisdictions where Constellation Energy Generation, LLC operates.
  • $[Unknown]: The amount of revenue generated by Constellation Energy Generation, LLC (not explicitly stated in the source material).

Sources:

  • Rule 212 and 214 of the Rules of Practice and Procedure of the Federal Energy Regulatory Commission ("Commission"), 18 C.F.R. SSSS 385.212, 385.214 (2025).
  • Transmission Security Agreement between PECO Energy Company and Amazon Data Services, Inc., Docket No. ER25-3492-000 (Sept. 23, 2025) ("PECO Filing").
  • Constellation Energy Generation, LLC's Motion to Intervene and Limited Comments, Docket No. ER25-3492-000 (Oct. 14, 2025).