Hourly Supply Service (HSS) for Non-Residential Customers 
 
 
As an added alternative for electric supply, Ameren Illinois offers a hourly supply service option that allows all customers access to variable hourly prices for power. 
  
Hourly supply services fluctuate based on market supply and demand. Generally speaking, market prices are highest during times of peak demand (between 5 a.m. and 9 p.m. daily and during the summer months of June through September). Customers can use the price signals available through HSS to guide their energy use and potentially save money when compared to the standard rate. HSS customers are encouraged to check day-ahead prices
  
Ameren Illinois does not profit from electric supply charges, including those for hourly supply service. We pass along the price we pay for electricity to our customers, dollar for dollar.
  
Regardless of your choice for electric supply, Ameren Illinois will remain your delivery company and will continue to respond to service calls, outages and emergencies, and issue your monthly bill.

For specific details, see the tariffs related to Rider HSS in the Rates section of our website.
Hourly Supply Service (HSS) for Non-Residential Customers, Hourly Supply Service
 
 
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