AEM provides ancillary services listed at market-based rates under the terms of its market-based tariff to eligible customers:

• Regulation and frequency response
• Energy imbalance service
• Operating reserve – spinning reserve service
• Operating reserve – supplemental reserve service
• Ancillary service pricing

For more information about AEM’s ancillary services, contact:

Eric Seidler
Manager, Trading Operations
Phone:  314.613.9026 
eseidler@ameren.com
 

Information on Accepted and Denied Requests
Requests for energy imbalance service, regulation and frequency response service, reactive supply and voltage control from generation sources service, operating reserve-spinning service and operating reserve-supplemental service under AEM’s First Revised Rate Schedule FERC No. 1, will be posted promptly on these pages after the requests have been granted or denied.

  
Current Activity:

• None
• No offers at present