MEEA Members Member Since American Council for an Energy-Efficient Economy (ACEEE) 2000 City Utilities of Springfield, MO 2015 Geothermal Exchange Organization (GEO) 2023 Metropolitan Energy Center 2020 Missouri Botanical Garden's EarthWays Center 2009 Missouri Department of Natural Resources – Division of Energy 2000 PACENation 2018 Resource Innovation Institute 2019 The DesignLights Consortium 2018