MEEA Members Member Since American Council for an Energy-Efficient Economy (ACEEE) 2000 CenterPoint Energy 2004 Duke Energy 2006 E Source 2010 East Kentucky Power Cooperative 2012 Edison Foundation Institute for Electric Innovation 2009 Geothermal Exchange Organization (GEO) 2023 GTI Energy 2017 Louisville Gas & Electric Company and Kentucky Utilities (LGE KU) 2012 MidAmerican Energy Company 2006 PACENation 2018 Polyisocyanurate Insulation Manufacturers Association 2020 Resource Innovation Institute 2019 Smart Energy Consumer Collaborative 2017 The DesignLights Consortium 2018