MEEA Members Member Since Ameren Missouri 2024 American Council for an Energy-Efficient Economy (ACEEE) 2000 Columbia Water and Light 2008 Duke Energy 2006 East Kentucky Power Cooperative 2012 Edison Foundation Institute for Electric Innovation 2009 Energy Education Council 2007 Geothermal Exchange Organization (GEO) 2023 Metropolitan Energy Center 2020 Missouri Botanical Garden's EarthWays Center 2009 Missouri Energy Initiative 2014 Mountain Association 2016 PACENation 2018 Polyisocyanurate Insulation Manufacturers Association 2020 Resource Innovation Institute 2019 The DesignLights Consortium 2018