MEEA Members Member Since American Council for an Energy-Efficient Economy (ACEEE) 2000 Fresh Energy 2018 Geothermal Exchange Organization (GEO) 2023 Indiana Office of Energy Development 2014 Minnesota Department of Commerce 2000 PACENation 2018 Polyisocyanurate Insulation Manufacturers Association 2020 Resource Innovation Institute 2019 South Dakota Bureau of Administration, Energy Management Office 2014 The DesignLights Consortium 2018