Illinois Schedules Series of Resource Sourcing Workshops
Workshop Schedule & Topics (all meetings scheduled for 9:00 a.m. CT) 4/23/26: NWA process and evaluation 5/26/26: Cost recovery and ownership 6/2326: Procurement and…
News Stories: Ameren Illinois
April 2, 2026
March 27, 2026
ICC Data Access Working Group (DAWG) Update
DAWG webpage has been updated with the latest meeting materials, including the recordings. Next meeting is on April 9 but this time the start is at 1:30 pm. As usual, we…
February 6, 2026
Next ICC Data Access Working Group and Net Crediting Meetings Scheduled
Staff of the Illinois Commerce Commission (ICC) has scheduled two separate meeting to discuss access to customer data and net crediting provisions detailed in the…
December 9, 2025
Ameren’s Data Sharing Platform Workshop
Please submit the poll and include your full name, company’s name, and industry in Question 1. Green Button Connect Workshop (External Participants) – Fill out…
November 25, 2025
IL – Ameren Issue Around The 867MU EDI Transaction
It has been brought to Ameren’s attention that we are incorrectly using “AA” in the MEA01 of the 867MU when the MEA follows QTY*QE. We should instead…
November 3, 2025
IL Ameren Sample EDI Transactions For CPWG Change Control #058 – UPDATE as of 11/6/2025
Good Afternoon! Ameren received feedback from the sample EDI transactions that were sent out on Monday of this week. As a result of that feedback, we have made changes…
IL – Ameren Sample EDI Transactions For CPWG Change Control #058
Attached HERE are 814C-Request, 814E-Response, and 810 Rate Ready sample transactions depicting the enhancements relating to Illinois CPWG Change Control #058. We are…
IL – Ameren Sample EDI Transactions For CPWG Change Control #058
Good Afternoon and Happy Halloween! Quick update regarding the status of Ameren providing sample 814E-Response, 814C-Request, 867MU, and 810 Rate Ready transactions…
October 9, 2025
ALJ Issues Proposed Ameren Gas Utility Rate Order
In Ameren’s Illinois gas rate case the Administrative Law Judge (ALJ) issued a proposed order with accompanying appendix. The proposed order recommends: (1) approving a…
October 2, 2025
Ameren Illinois’ Fall Default Service Capacity Procurement Results Approved
Average Prices ($/MW-Day) and Quantiti“In accordance with Section 16-111.5(h) of the Public Utilities Act, this public notice announces the names of the successful…
