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Exhibit 21.1

SUBSIDIARIES OF AMEREN CORPORATION

AT DECEMBER 31, 2023

                                                 

Name						State or Jurisdiction of Organization
Ameren Corporation						Missouri
Ameren Development Company						Missouri
Missouri Central Railroad Company						Delaware
QST Enterprises Inc.						Illinois
Ameren EIP Investment, LLC						Delaware
Ameren Accelerator Investments, LLC						Delaware
AmerenEnergy Medina Valley Cogen, L.L.C.						Illinois
Ameren Transmission Company, LLC						Delaware
ATX East, LLC						Delaware
ATX Southwest, LLC						Delaware
ATX-TIP Holdings, Inc.						Ontario
Transmission Infrastructure Partnerships Ltd (50% interest)						Ontario
Lucky Corridor, LLC						Colorado
Mora Line, LLC						Colorado
Ameren Transmission Company of Illinois						Illinois
Ameren Services Company						Missouri
Ameren Illinois Company						Illinois
Union Electric Company (d/b/a Ameren Missouri)						Missouri
Ameren Missouri Renewables Holdco, LLC						Delaware
BREC Holding Company, LLC						Delaware
HFREC Holding Company, LLC						Delaware
STARS Alliance, LLC (25% interest)						Delaware

Subsidiaries not included on this list, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary as of December 31, 2023.