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   Rod R. Blagojevich, Governor
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Environmental Disclosure Statements
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Electricity is generated from various fuel sources. The information to which you can link from this page is provided by all utilities and Alternative Retail Electric Suppliers (ARES) to show the known sources of electricity that they provide and the amount of certain emissions attributable to these known sources of electricity.

Each quarter all utilities and ARES operating in Illinois are required to send a bill insert to their customers that provides this environmental disclosure. These firms are also required to provide the Illinois Commerce Commission with this information for this webpage.

The requirements for these disclosures can be found in 83 Ill. Adm. Code 421, implementing Section 16-127 of the Public Utilities Act [220 ILCS 5/16-127].
Vanguard Power Services Published: April 11, 2008
ConocoPhillips Company Published: April 3, 2008
Direct Energy Published: April 3, 2008
Integrys Energy Services Inc Published: April 3, 2008
Keystone Energy Resources Published: April 3, 2008
MidAmerican Energy Published: April 3, 2008
MidAmerican Energy Published: April 3, 2008
Sempra Energy Published: April 3, 2008
Commonwealth Edison Company Published: March 31, 2008
Suez Energy Resources NA Published: March 18, 2008
Commonwealth Edison Company Published: February 27, 2008
ConocoPhillips Company Published: February 27, 2008
Direct Energy Published: February 27, 2008
Exolon Resources Published: February 27, 2008
Peoples Energy Services Published: February 27, 2008
PEPCO Energy Services Published: February 27, 2008
Sempra Energy Published: February 27, 2008
Suez Energy Resources NA Published: February 27, 2008
Ameren Energy Marketing Published: February 26, 2008
AmerenCILCO Published: February 26, 2008
AmerenCIPS Published: February 26, 2008
AmerenIP Published: February 26, 2008
Reliant Energy Solutions East, LLC. Published: February 26, 2008
Vanguard Power Services Published: February 26, 2008
Mt. Carmel Public Utility Co. Published: February 15, 2008
BlueStar Energy Services Published: January 24, 2008
Liberty Power Holdings, LLC Published: January 18, 2008
Exolon Resources, LLC Published: October 30, 2007
Constellation/New Energy Published: October 23, 2007
MidAmerican Energy Published: October 23, 2007
Ameren Energy Marketing Published: October 18, 2007
AmerenCILCO Published: October 18, 2007
AmerenCIPS Published: October 18, 2007
AmerenIP Published: October 18, 2007
Commonwealth Edison Company Published: October 18, 2007
Exolon Resources, LLC Published: October 18, 2007
GCW-USS Energy LLC Published: October 18, 2007
IC Energy LLC Published: October 18, 2007
Keystone Energy Resources Published: October 18, 2007
Peoples Energy Services Corp. Published: October 18, 2007
Sempra Energy Published: October 18, 2007
Sempra Energy Published: October 18, 2007
Suez Energy Resources NA Published: October 18, 2007
Vanguard Power Services Published: October 18, 2007
Exolon Resources, LLC Published: October 12, 2007
Constellation/New Energy Published: October 4, 2007
ConocoPhillips Company Published: September 21, 2007
Constellation/New Energy Published: July 13, 2007
Ameren Energy Published: July 1, 2007
AmerenCILCO Published: July 1, 2007
AmerenCIPS Published: July 1, 2007
Direct Energy Published: July 1, 2007
Integrys Energy Services Inc Published: July 1, 2007