Utility Commission Filings  
Included below are certain Ameren regulatory filings. These filings were selected based on Ameren's judgment as to their relevance and importance. This list does not include all filings made by all Ameren companies.

Ameren is unable to predict the ultimate outcome of pending regulatory proceedings, the timing of the final decisions of the various agencies, or the impact on our results of operations, financial position or liquidity.
Select Filings with the Illinois Commerce Commission (ICC)
  • Ameren Illinois currently has no rate cases pending before the ICC.

Find filings and information on the Illinois Commerce Commission website.

Select Filings with the Missouri Public Service Commission (MoPSC)

  • Earnings Complaint and Rate Shift (Rate Design) Cases filed by Noranda Aluminum, Inc.
    Docket Nos. EC-2014-0223 and EC-2014-0224
    Description: On February 13, 2014, Ameren Missouri’s largest customer, Noranda Aluminum, Inc., and 37 residential customers filed earnings complaint and rate shift (rate design) complaint cases with the MoPSC. The MoPSC has no time requirement by which it must issue an order in these cases. Ameren Missouri opposes both requests filed by Noranda and the residential customers and will vigorously defend itself.

Find other filings and additional information on the Missouri Public Service Commission website.

Select Filings with the Federal Energy Regulatory Commission

  • Complaint challenging Midcontinent Independent System Operator, Inc. (MISO) base return on equity and other items.
    Docket No. EL14-12
  • Ameren Illinois electric transmission case related to acquisition premiums.
    Docket No. AC11-46 

Find additional information on the Federal Energy Regulatory Commission website.
Utility Commission Filings
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