Filing Manager
ECP ControlCo, LLC
Reporting Manager
ECP ControlCo, LLC
Symbol
CEG
Shares outstanding
361,372,525 shares
Disclosed Ownership
22,043,724 shares
Ownership
6.1%
Form type
SCHEDULE 13G
Filing time
14 Jan 2026, 16:30:28 UTC
Date of event
07 Jan 2026

Reporting Managers (17)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ECP ControlCo, LLC 6.1% 22,043,724 0 22,043,724 By /s/ Jennifer Gray Jennifer Gray, General Counsel
Energy Capital Partners III, LLC 3.1% 11,183,651 0 11,183,651 By: ECP ControlCo, LLC, its managing member, By: /s/ Jennifer Gray Jennifer Gray, General Counsel
Energy Capital Partners IV, LLC 0.6% 2,266,957 0 2,266,957 By: ECP ControlCo, LLC, its managing member, By: /s/ Jennifer Gray Jennifer Gray, General Counsel
ECP Calpine GP, LLC 2.4% 8,593,116 0 8,593,116 By: ECP ControlCo, LLC, its managing member, By: /s/ Jennifer Gray Jennifer Gray, General Counsel
ECP III Volt Holdings, LLC 0.03% 106,918 0 106,918 By: Energy Capital Partners III, LP, Energy Capital Partners GP III, LP, Energy Capital Partners III, LLC, ECP ControlCo, LLC, By: /s/ Jennifer Gray Jennifer Gray, General Counsel
ECP III-A Volt Holdings, LLC 1% 3,599,243 0 3,599,243 By: /s/ Jennifer Gray Jennifer Gray, Executive Vice President & General Counsel
ECP III-B Volt Holdings, LLC 0.1% 434,667 0 434,667 By: /s/ Jennifer Gray Jennifer Gray, Executive Vice President & General Counsel
ECP III-C Volt Holdings, LP 0.4% 1,487,983 0 1,487,983 By: ECP III Volt Holdings GP, LLC, its general partner, By: /s/ Jennifer Gray Jennifer Gray, Executive Vice President & General Counsel
ECP III-D Volt Holdings, LP 0.5% 1,836,426 0 1,836,426 By: ECP III Volt Holdings GP, LLC, its general partner, By: /s/ Jennifer Gray Jennifer Gray, Executive Vice President & General Counsel
ECP Checkerspot Holdings, LP 1% 3,718,414 0 3,718,414 By: Volt Parent GP, LLC, Energy Capital Partners III, LLC, ECP ControlCo, LLC, By: /s/ Jennifer Gray Jennifer Gray, General Counsel
ECP IV-A Volt Holdings, LP 0.1% 543,086 0 543,086 By: ECP IV Volt Holdings GP, LLC, its general partner, By: /s/ Jennifer Gray Jennifer Gray, Executive Vice President & General Counsel
ECP IV-B Volt Holdings, LP 0.03% 91,013 0 91,013 By: ECP IV Volt Holdings GP, LLC, its general partner, By: /s/ Jennifer Gray Jennifer Gray, Executive Vice President & General Counsel
ECP IV-C Volt Holdings, LP 0.1% 450,142 0 450,142 By: ECP IV Volt Holdings GP, LLC, its general partner, By: /s/ Jennifer Gray Jennifer Gray, Executive Vice President & General Counsel
ECP IV-D Volt Holdings, LP 0.3% 1,182,716 0 1,182,716 By: ECP IV Volt Holdings GP, LLC, its general partner, By: /s/ Jennifer Gray Jennifer Gray, Executive Vice President & General Counsel
ECP Calpine Fund GP, LP 2.4% 8,593,116 0 8,593,116 By: ECP Calpine GP, LLC, its general partner, By: ECP ControlCo, LLC, its managing member, By: /s/ Jennifer Gray Jennifer Gray, General Counsel
ECP Calpine Continuation Fund, LP 2% 7,270,971 0 7,270,971 By: ECP Calpine Fund GP, LP, By: ECP Calpine GP, LLC, By: ECP ControlCo, LLC, By: /s/ Jennifer Gray Jennifer Gray, General Counsel
ECP Calpine Rollover Fund, LP 0.2% 618,188 0 618,188 By: ECP Calpine Fund GP, LP, By: ECP Calpine GP, LLC, By: ECP ControlCo, LLC, By: /s/ Jennifer Gray Jennifer Gray, General Counsel