MEEA Members Member Since Ameren Missouri 2024 American Council for an Energy-Efficient Economy (ACEEE) 2000 Argonne National Laboratory 2011 CenterPoint Energy 2004 City Utilities of Springfield, MO 2015 Columbia Water and Light 2008 Duke Energy 2006 East Kentucky Power Cooperative 2012 Geothermal Exchange Organization (GEO) 2023 Indiana Office of Energy Development 2014 Louisville Gas & Electric Company and Kentucky Utilities (LGE KU) 2012 Metropolitan Energy Center 2020 MidAmerican Energy Company 2006 Missouri Botanical Garden's EarthWays Center 2009 Missouri Department of Natural Resources – Division of Energy 2000 Office of Energy Policy, Division of Energy Assistance for the Kentucky Energy and Environment Cabinet 2014 PACENation 2018 Polyisocyanurate Insulation Manufacturers Association 2020 Resource Innovation Institute 2019 South Dakota Bureau of Administration, Energy Management Office 2014 Spire 2018 The DesignLights Consortium 2018 Xcel Energy 2000