Staff from the Illinois Commerce Commission put their own spin on an analysis showing how much Ameren’s switch to PJM could cost MISO.

Illinois Gov. JB Pritzker vetoed a measure that would have allowed incumbent utilities in downstate Illinois exclusive rights to build regional MISO transmission lines.

The Illinois Commerce Commission has instituted a notice of inquiry over the potential benefits of Ameren Illinois quitting MISO to join PJM.

The court upheld a FERC order requiring $11.5 million in refunds from Ameren Illinois after 10 years of misreporting costs.

MEI's annual economic development meeting examined the role utilities played in two economic development projects in the service areas of 2 Missouri utilities.

FERC has decided that Ameren Illinois must still issue refunds over transmission rate errors uncovered by a central Illinois co-op.

Southwestern Electric Cooperative got a few wins in its challenges to Ameren Illinois’ annual formula rate updates.

The 2020 MISO Transmission Expansion Plan contains 510 proposed projects at a combined $4.06 billion, the priciest since the RTO's 2011 MVP portfolio.

The Illinois Commerce Commission’s “NextGrid: Illinois’ Utility of the Future” study, which began with grand hopes years ago, ended with barely a whimper.

FERC ordered Ameren Illinois to revise its accounting for some expenses but rejected challenges by Southwestern Electric Coop. to the formula rate update.