EX-21.1 13 aee202510-kxexhibit211.htm SUBSIDIARIES OF AMEREN
Exhibit 21.1
SUBSIDIARIES OF AMEREN CORPORATION
AT DECEMBER 31, 2025

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
Ameren Transmission Company of Illinois |  | Illinois
Ameren Services Company |  | Missouri
Ameren Illinois Company (d/b/a Ameren Illinois) |  | Illinois
Union Electric Company (d/b/a Ameren Missouri) |  | Missouri
Ameren Missouri Securitization Funding I, 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, 2025.