Ameren Illinois and Southeastern Illinois Cooperative have jointly filed a petition with the Illinois State PUC, docket number P2026-0245. The filing, dated March 18, 2026, pertains to the Electric Suppliers Act and seeks approval for the release of a single residential customer between the two entities. This is a routine administrative filing concerning customer transfers.

Regulated entities, particularly those in the energy sector in Illinois, should note this filing as an example of standard inter-company customer transfer procedures. No immediate action is required from external parties based on this filing. The case status is 'Initial - Administrative Law Judge Action Pending', indicating further review will occur within the PUC.