MEEA Members Member Since American Council for an Energy-Efficient Economy (ACEEE) 2000 E Source 2010 Edison Foundation Institute for Electric Innovation 2009 Geothermal Exchange Organization (GEO) 2023 GTI Energy 2017 Michigan Department of Environment, Great Lakes, and Energy 2006 Mid-West Energy Research Consortium (M-WERC) 2015 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 Smart Energy Consumer Collaborative 2017 The DesignLights Consortium 2018