MEEA Members Member Since American Council for an Energy-Efficient Economy (ACEEE) 2000 Geothermal Exchange Organization (GEO) 2023 Michigan Department of Environment, Great Lakes, and Energy 2006 PACENation 2018 Polyisocyanurate Insulation Manufacturers Association 2020 Resource Innovation Institute 2019 RESTART @ Lawrence Technological University 2023 The DesignLights Consortium 2018 Upper Peninsula Power Company 2019 Xcel Energy 2000