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 Minnesota Department of Commerce 2000 Missouri Department of Natural Resources – Division of Energy 2000 South Dakota Bureau of Administration, Energy Management Office 2014 Southern Minnesota Municipal Power Agency 2004 Upper Peninsula Power Company 2019 Xcel Energy 2000