City of East St. Louis and CESL Energy HoldCo, LLC filed a verified emergency petition with the Illinois Commerce Commission on April 1, 2026, seeking waiver of specific requirements under 83 Ill. Admin. Code Part 466 related to distributed generation. The petition is filed on behalf of CESL Site 1, LLC and concerns non-statutory procedural and timing provisions. The case is currently pending before an Administrative Law Judge.

Affected parties including other distributed generation operators and municipalities should monitor this docket for potential precedential value regarding waiver requests from Part 466 requirements. No specific compliance deadline or comment period is indicated in the docket entry. The ICC's disposition of this emergency waiver petition may establish parameters for future waiver requests under Illinois distributed generation regulations.