Resources for Retail Electric Suppliers

Load Profile Classes

Below is the breakdown of the Ameren Illinois load profile classes:
 

Residential (DS1)
	RESDHH	– High summer use; High winter use
	RESDHL	– High summer use; Low winter use
	RESDLH	– Low summer use; High winter use
	RESDLL	– Low summer use; Low winter use

Illinois Non-TOU C&I (DS2)
	DS2HH	– High summer use (> 5000 kWh); High winter use (> 4700 kWh)
	DS2HL	– High summer use (> 5500 kWh); Low winter use (0 – 4700 kWh)
	DS2LH	– Low summer use (0 – 5500 kWh); High winter use (> 4700 kWh)
	DS2LL	– Low summer use (0 – 5500 kWh); Low winter use (0 – 4700 kWh)
	In the four DS2 load profile classes above, summer is defined as the months of June, July, August, and September. Winter is defined as the months of December, January, and February.

Illinois TOU C&I (DS3)
	DS3HH	– Load factor > 60%; Summer peak energy percentage > 45%
	DS3MH	– Load factor > 40% and < 60%; Summer peak energy percentage > 45%
	DS3LH	– Load factor < 40%; Summer peak energy percentage > 45%
	DS3HL	– Load factor > 60%; Summer peak energy percentage < 45%
	DS3ML	– Load factor > 40% and < 60%; Summer peak energy percentage < 45%
	DS3LL	– Load factor < 40%; Summer peak energy percentage < 45%
	The load factor for DS3 is a twelve month load factor. The summer peak percentage for DS3 is the percentage of energy used during on-peak periods of the four summer months (June, July, August, and September) to the total energy used for the four summer months.

High and low temperatures used in producing the settlement load profiles are assigned by Ameren service territory as follows:
	AmerenCIPS-ME	– assigned St. Louis, MO temperatures
	AmerenCIPS	– assigned Springfield, IL temperatures
	AmerenCILCO	– assigned Peoria, IL temperatures
	AmerenIP	– assigned Decatur, IL (35%), Belleville, IL (50%), and Peoria, IL (15%) temperatures