MEEA Members Member Since Ameren Missouri 2024 Argonne National Laboratory 2011 Columbia Water and Light 2008 Michigan Department of Environment, Great Lakes, and Energy 2006 Michigan Saves 2018 Missouri Department of Natural Resources – Division of Energy 2000 Missouri Energy Initiative 2014 National Energy Improvement Fund, LLC 2023 South Dakota Bureau of Administration, Energy Management Office 2014 Tango 2023 U.S. Environmental Protection Agency, Region 5 2024 Upper Peninsula Power Company 2019 Xcel Energy 2000