MEEA Members Member Since AES Indiana 2003 American Council for an Energy-Efficient Economy (ACEEE) 2000 CenterPoint Energy 2004 City Utilities of Springfield, MO 2015 Columbia Water and Light 2008 Duke Energy 2006 Evergy 2016 Fresh Energy 2018 Geothermal Exchange Organization (GEO) 2023 Indiana Office of Energy Development 2014 Metropolitan Energy Center 2020 Minnesota Department of Commerce 2000 Minnesota Power 2014 Missouri Botanical Garden's EarthWays Center 2009 Missouri Department of Natural Resources – Division of Energy 2000 PACENation 2018 Polyisocyanurate Insulation Manufacturers Association 2020 Resource Innovation Institute 2019 The DesignLights Consortium 2018 U.S. Environmental Protection Agency, Region 5 2024