Toggle navigation
Overview
About
Pricing
Platform
Bills
Dockets
RTO Committees
State Profiles
Resources
Help Center
Register
Sign in
Invite colleagues
Account Profile
Sign out
Home
/
State Profiles
/
Browse States
/
IL - Legislature
3.8
avg. commissioner years of service
Source: Advanced Energy United
13.72¢
avg. price per kWh
Source:
EIA
4
legislative session length, months
Source:
Legislative Session
71%
residential market share of the largest utility
Source: February 2026, Advanced Energy United
breakdown of market share
Utility Percentage Market Share in Illinois
Commonwealth Edison Co
Market Share
71%
Ameren Illinois Company
Market Share
20%
7
governor years served
Source: February 2026, Advanced Energy United
Illinois
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
District of Columbia
Florida
Georgia
Hawaii
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
United States
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming
Compare States
Register to get access to the comparison tool.
It's free and you will also get a 7 day trial of Insight Engine!
Register for Insight Engine
gavel
Regulatory Commission
electrical_services
Utilities
policy
Energy Policies
work
Executive Branch
people
Legislature
bolt
Energy Data
Legislature
301 South Second Street
Springfield, IL 62701
Legislature Homepage
Session length
4 months
Current session
14 Jan 2026 - 31 May 2026
Last Updated: 17 Dec 2025
Last Updated: 17 Dec 2025
Energy Committees
House of Representatives
Committee on Public Utilities
Committee Oversight Details
Committee Oversight
No details available.
View All Members and the Committee Website
Committee on Energy & Environment
Committee Oversight Details
Committee Oversight
No details available.
View All Members and the Committee Website
Senate
Committee on Energy and Public Utilities
Committee Oversight Details
Committee Oversight
No details available.
View All Members and the Committee Website
Committee on Executive Appointments
Committee Oversight Details
Committee Oversight
No details available.
View All Members and the Committee Website
Committee on Environment and Conservation
Committee Oversight Details
Committee Oversight
No details available.
View All Members and the Committee Website
Committee on Transportation
Committee Oversight Details
Committee Oversight
No details available.
View All Members and the Committee Website