This audio is auto-generated. Please let us know if you have feedback. Dive Brief: The U.S. Department of Energy’s efforts to prevent large fossil-fuel power plants from retiring could cost ratepayers about $3.1 billion a year in 2028, according to a report released Thursday by Earthjustice, the Environmental Defense Fund, the Natural Resources Defense Council and the Sierra Club. Grid Strategies used the cost of a dozen recent reliability-must-run contracts from around the U.S. — $89,315/MW-yea...