The U.S. Environmental Protection Agency has proposed barring six coal-fired power plants in various states—a combined 11 GW—from disposing coal ash into unlined surface impoundments. The agency, however, also proposed…

The Biden administration has rolled out in a final what it says is a “durable” definition of “waters of the U.S.” (WOTUS), potentially capping a legal and political battle that…

Coal ash, or coal combustion residuals (CCRs), is the second-largest waste material in the U.S., just behind household garbage. The safe and sustainable management of coal ash poses one of…

The Tennessee Valley Authority (TVA) will pursue a first-of-its-kind pilot program at the Shawnee Fossil Plant in West Paducah, Kentucky, to determine if closed coal ash sites are suitable for utility-scale…

Award Represents One of the Largest and Longest Term Projects in Company History Includes Excavation of Approximately 4.3 Million Cubic Yards of Coal Combustion Residuals from Three Ash Ponds to…