The Prairie State
IL Utilities
IOU, Municipal, Cooperative, Retail Energy Suppliers, Wholesale
Illinois Consumer Choice: Consumer Deregulation
Utility: Consumers in Illinois may choose their natural gas supplier.
Illinois Electric Choice: Yes. Consumers in Illinois may choose their electric supplier. Qualified buyers have the opportunity to reduce bills and fix overhead costs. Customers who choose an alternate supplier still receive a bill from the local distribution company ( LDC ) and may select from consolidated or dual billing packages .
Illinois Gas Choice: YES. Natural gas is deregulated in Illinois. Qualified buyers have the opportunity to reduce bills and fix overhead costs by choosing a third-party supplier.
Deregulated Gas Year Electric Year
Illinois Yes* 2002 Yes 1997 Roughly 75% of Illinois has Natural Gas Choice.
STATE NERC INTERCONNECTION ISO / RTO
Illinois SERC, RFC Eastern PJM / MISO
Region: Midwest
Illinois Population: 12,671,821 People/ Land Mile: 228
Square Miles: 57,914 Land Miles: 55,519 Water Miles: 2,395
Yearly Values:
Net Generation 188,033,357 MWH Retail Sales 142,654,808 MWH Gas 1,127.5 trillion Btu
Counties IL Zip Codes IL Utility Zip Codes
NERC Authority: SERC, RFC
FERC Authority: Midwest Natural Gas Market
Electric Retail Average: 9.75 cents/kWh (Ave)
Illinois Power Mix
U.S. Commodity Sources 2019:
• Nuclear: 54.4%
• Coal: 27%
• Natural Gas: 10.6%
• Hydro: 0.1%
• Wind: 7.6%
• Biomass: 0.4%
2013 U.S. Commodity Sources:
• Nuclear: 48%
• Coal: 43%
• Natural Gas: 3%
• Other Renewables: 5%
IL Solar: Net Metering, Tax Credits, Solar Rebates
State Rebates:
State Contacts:
State Links:
State Authorities:
Plug In Illinois (Energy Shopping website)
Illinois Citizen Utility Board
MidAmerican Energy (15-0440)
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Infrastructure Resilience and Improvements in Peoria, IL
Private, Public Partnerships w/ Siemens