June 13, 2026

MIDCONTINENT INDEPENDENT SYSTEM OPERATOR, INC.
MISO selects consortium of Ameren, GridLiance, Dairyland, Illinois Municipal Electric Agency to deliver major grid-bolstering projects in Illinois

May 20, 2026
The Midcontinent Independent System Operator (MISO) has selected a consortium of Ameren Transmission Company of Illinois (ATXI), a subsidiary of Amere. . .

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