North Dakota Plaintiffs
Industrial Commission of North Dakota
Lignite Energy Council
Basin Electric Power Cooperative
North American Coal Corp.
Great Northern Properties Limited Partnership
Missouri Basin Municipal Power Agency
Minnkota Power Cooperative
North Dakota Friends of the Court
American Coalition for Clean Coal Electricity
American Fuel & Petrochemical Manufacturers
American Public Power Association
Chamber of Commerce of the United States
Minnesota Chamber of Commerce
Missouri Joint Municipal Electric Utility Commission
Montana Coal Council
Mountain States Legal Foundation
National Association of Manufacturers
National Mining Association
National Rural Electric Cooperative Association
Minnesota Defendants
Minnesota Public Utilities Commission
Minnesota Friends of the Court
American Wind Energy Association
Environmental Defense Fund
Environmental Law and Policy Center
Fresh Energy
Issac Walton League of America - Midwest Office
Minnesota Center for Environmental Advocacy
Natural Resources Defense Council
Sierra Club
Solar Energy Industries Association