MEEA Members Member Since Ameren Illinois 2010 Ameren Missouri 2024 American Council for an Energy-Efficient Economy (ACEEE) 2000 Argonne National Laboratory 2011 CenterPoint Energy 2004 Citizens Utility Board 2011 City Utilities of Springfield, MO 2015 Columbia Water and Light 2008 Combined Heat and Power Alliance 2014 ComEd 2000 E Source 2010 Edison Foundation Institute for Electric Innovation 2009 Energy Education Council 2007 Energy Resources Center at UIC 2000 Evergy 2016 Geothermal Alliance of Illinois 2011 Geothermal Exchange Organization (GEO) 2023 GTI Energy 2017 Metropolitan Energy Center 2020 Mid-West Energy Research Consortium (M-WERC) 2015 MidAmerican Energy Company 2006 Minority Business Development Center 2023 Missouri Botanical Garden's EarthWays Center 2009 Missouri Energy Initiative 2014 National Energy Improvement Fund, LLC 2023 Nicor Gas 2012 PACENation 2018 Peoples Gas 2010 Peoria Guild of Black Artists 2023 Polyisocyanurate Insulation Manufacturers Association 2020 Resource Innovation Institute 2019 Smart Energy Consumer Collaborative 2017 Spire 2018 Tango 2023 The DesignLights Consortium 2018