EPA

The Environmental Protection Agency (EPA) is proposing more stringent discharge standards for three types of coal power plant wastewater as part of an update to its Effluent Limitations Guidelines (ELGs). However, the agency also proposed compliance flexibilities, and in a separate direct final rule, moved to extend a deadline to allow more coal plants to […]

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 to provide disposal extensions if the coal plants are needed to maintain grid reliability. The EPA’s proposed determinations, issued on Jan. 25, fall under its […]

So far, utilities have announced plans to retire some 93,000 MW (nameplate) of coal—almost half the existing coal fleet—by the end of this decade. Coal retirements combined with increasing penetration of

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 has raged for nearly two decades. The final rule issued by the U.S. Environmental Protection Agency (EPA) and the U.S. Department of the Army on […]

The Environmental Protection Agency (EPA) and the Department of Justice (DOJ) have settled to resolve alleged violations of the Clean Water Act with four separate large-scale solar farm owners in Alabama, Idaho, and Illinois. The solar farm owners—all subsidiaries of large international finance and investment companies—used a common construction contractor for their farms. The federal […]

Sulfur oxides (SO x ) have several harmful effects both to the environment, and to human and animal health. Much of the SO x in the atmosphere comes from the burning of fossil fuels by power plants and other

After the Supreme Court handed down its decision in West Virginia v. Environmental Protection Agency (EPA) earlier this year, many speculated on what it does—and does not—mean for future power plant rules

The Environmental Protection Agency (EPA) is readying a regulatory sweep targeting more stringent limits on traditional pollutants that could accelerate coal power plant closures. A coal trade group estimates that even without new rules, 86 GW of coal generation is slated to retire by 2030. While the U.S. Supreme Court in June curtailed the EPA’s […]

On the final day of the Supreme Court’s term, the Court ruled in favor of West Virginia and other petitioners challenging the claimed regulatory authority that underlaid the Clean Power Plan (CPP)—the

A novel technology that is surprisingly simple in principle promises to significantly reduce water consumption in evaporative cooling tower systems by capturing water from cooling tower plumes.  Sonal Patel