MEEA Members Member Since Ameren Illinois 2010 American Council for an Energy-Efficient Economy (ACEEE) 2000 Applied Energy Group 2019 Argonne National Laboratory 2011 CenterPoint Energy 2004 Citizens Utility Board 2011 ComEd 2000 DNV 2005 E Source 2010 Edison Foundation Institute for Electric Innovation 2009 Energy Resources Center at UIC 2000 Frontier Energy 2017 Geothermal Exchange Organization (GEO) 2023 GTI Energy 2017 Guidehouse 2003 ILLUME 2018 Leidos 2010 Mid-West Energy Research Consortium (M-WERC) 2015 MidAmerican Energy Company 2006 Minority Business Development Center 2023 Missouri Botanical Garden's EarthWays Center 2009 National Energy Improvement Fund, LLC 2023 Nicor Gas 2012 Opinion Dynamics 2008 PACENation 2018 Pearl Certification 2018 Peoples Gas 2010 Peoria Guild of Black Artists 2023 Polyisocyanurate Insulation Manufacturers Association 2020 Resource Innovation Institute 2019 Smart Energy Consumer Collaborative 2017 Tango 2023 The DesignLights Consortium 2018 The JPI Group LLC 2023 Utilivate Technologies, LLC 2020 Verdatek Solutions LLC 2020