MEEA Members Member Since Ameren Illinois 2010 American Council for an Energy-Efficient Economy (ACEEE) 2000 APTIM 2010 Argonne National Laboratory 2011 Building Potential (formerly Northwest Energy Efficiency Council) 2008 Cadmus 2004 Calico Energy 2020 Cascade Energy 2017 CenterPoint Energy 2004 Chicago Bungalow Association 2018 Citizens Utility Board 2011 City of Chicago 2004 CLEAResult 2013 CMC Energy Services 2018 Combined Heat and Power Alliance 2014 ComEd 2000 Consumers Energy 2010 Cooperative Educational Service Agency 10 (CESA 10) 2016 Diverse Power Solutions 2023 DNV 2005 DTE 2009 Duke Energy 2006 E Source 2010 Edison Foundation Institute for Electric Innovation 2009 Elevate 2017 Energy Infrastructure Partners 2023 Energy Sciences 2020 Energy Solutions 2017 Erthe Energy Solutions 2018 Evergreen Energy Partners 2018 Forth 2024 Franklin Energy 2008 Frontier Energy 2017 Future Energy Enterprises, LLC 2009 Geothermal Alliance of Illinois 2011 Geothermal Exchange Organization (GEO) 2023 GTI Energy 2017 Guidehouse 2003 i3 Energy 2008 ICF 2000 Illinois EPA 2017 Indiana Office of Energy Development 2014 Inova Energy Group 2014 Leidos 2010 Michaels Energy 2011 Michigan Department of Environment, Great Lakes, and Energy 2006 Michigan Saves 2018 Mid-West Energy Research Consortium (M-WERC) 2015 MidAmerican Energy Company 2006 Minority Business Development Center 2023 Missouri Botanical Garden's EarthWays Center 2009 Mulder Consulting, LLC 2021 National Energy Foundation 2015 Nicor Gas 2012 NTC 2014 Opinion Dynamics 2008 Oracle Utilities 2010 PACENation 2018 Peoples Gas 2010 Peoria Guild of Black Artists 2023 Performance Systems Development (PSD) 2018 Polyisocyanurate Insulation Manufacturers Association 2020 Power TakeOff, Inc. 2017 Resource Innovation Institute 2019 Resource Innovations 2016 SEMCO ENERGY Gas Company 2014 Solutions for Energy Efficient Logistics, LLC (SEEL) 2012 The DesignLights Consortium 2018 The JPI Group LLC 2023 Trane Technologies 2017 TRC 2009 Upper Peninsula Power Company 2019 Utility Energy Services 2021 Utilivate Technologies, LLC 2020 VEIC 2015 Village of Oak Park 2018 Walker-Miller Energy Services 2019 Waypoint 2017 We Energies 2019 Willdan 2001 Wisconsin Public Service 2019 Xcel Energy 2000