List of the Largest Acquired Utilities Companies in Illinois

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
BlueStar Energy Holdings, Inc. Acquired AEP Retail Energy Partners LLC 2012-03-08 Chicago, Illinois, United States	Utilities	225	-	-	-
North Maine Utility Water and Wastewater System Acquired Aqua Illinois, Inc. 2014-05-07 $22M Chicago, Illinois, United States	Utilities	-	-	-	-
City of Mt. Pulaski Water and Wastewater Systems Acquired Illinois American Water Co. 2021-12-17 $5.25M Mt. Pulaski, Illinois, United States	Utilities	-	-	-	-
Alton Regional Wastewater System Acquired Illinois American Water Co. 2019-06-27 Alton, Illinois, United States	Utilities	-	-	-	-
American Utility Management, Inc. Acquired RealPage 2017-06-19 Lombard, Illinois, United States website	Utilities	-	-	-	-
City of Jerseyville Water and Wastewater Systems Acquired Illinois American Water Co. 2020-10-06 Jerseyville, Illinois, United States	Utilities	-	-	-	-
Village of Tolono Water and Wastewater Systems Acquired Illinois American Water Co. 2023-06-20 $9.42M Tolono, Illinois, United States website	Utilities	-	-	-	-
Metro East Sanitary District - Eagle Park and Lansdowne wastewater systems Acquired Illinois American Water Co. 2024-11-13 $8.4M Illinois, United States	Utilities	-	-	-	-
Electric Energy, Inc. - Electric Transmission Assets Acquired GridLiance GP LLC 2020-03-02 Illinois, United States	Utilities	-	-	-	-
Village of Bourbonnais' Wastewater System Acquired Aqua Illinois, Inc. 2021-09-20 Bourbonnais, Illinois, United States	Utilities	-	-	-	-
Peoples Energy Corp. Acquired Integrys Energy Group, Inc. 2007-02-21 $1.5B Chicago, Illinois, United States website	Utilities	-	-	-	-
Crystal Clear Water Co., Inc. Acquired Essential Utilities 2016-07-07 Illinois, United States	Utilities	-	-	-	-
Illinois Power Co. Acquired Ameren 2004-02-04 $2.3B Decatur, Illinois, United States	Utilities	-	-	-	-
Central Illinois Light Co. Acquired Ameren 2003-01-01 Peoria, Illinois, United States	Utilities	-	-	-	-
Integrys Energy Group, Inc. Acquired WEC Energy Group 2014-07-23 $9.1B Chicago, Illinois, United States website	Utilities	-	7	4	3
Village of Fisher Acquired Illinois American Water Co. 2018-03-28 $2.9M Fisher, Illinois, United States website	Utilities	-	-	-	-

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