Coal

The increasing penetration of intermittent renewable generation, smart grids, demand response, and other emerging technologies has underscored the need for power plants with greater flexibility and

This is the story of a power plant like no other. The facility runs primarily on coal, but it can utilize petcoke and biomass when available. The front end resembles an integrated gasification combined cycle

The U.S. Environmental Protection Agency’s Mercury and Air Toxics Standards (MATS) set limits on the emissions of mercury (Hg) and other pollutants for coal-fired power plants. Many plant operators have

The history of power plant emissions regulations and control technologies is largely one of preventing elements that are bad for the environment or human health—including sulfur dioxide, particulate matter

A little over five years ago, on the night of Dec. 22, 2008, the residents of Kingston, Tenn., were devastated when a dike holding back an 84-acre ash pond broke loose. The ash pond servicing Tennessee Valley

Increasing Environmental Protection Agency (EPA) restrictions pertaining to emissions from coal-fired power plants, the increasing cost of coal operations, and the decreasing cost of natural gas provide strong

The aftermath of two spills from a coal ash storage pond at Duke Energy’s Dan River Steam Station in North Carolina this month, which saw about 35,000 tons of ash flood into the Dan River, may lead to a crackdown by North Carolina state regulators and will likely affect the Environmental Protection Agency’s (EPA’s) decision-making […]

Federal judge Walter S. Smith, Jr. ruled on Feb. 26 that Luminant had not violated the Clean Air Act (CAA) at its Big Brown Power Plant in Freestone County, Tex., as had been claimed in a Sierra Club lawsuit. Filed in May 2012, the lawsuit alleged that from July 2007 to the present certain emissions […]

A plan developed by Oklahoma to address regional haze that was approved by the Environmental Protection Agency (EPA) last week will force Public Service Co. of Oklahoma (PSO) to shutter two coal units by 2026. The agency on Feb. 10 approved Oklahoma’s state implementation plan (SIP) to control regional haze from two coal units owned […]

The Environmental Protection Agency (EPA) is seeking comment on its interpretation of provisions in the Energy Policy Act of 2005 (EPACT 2005), which it claims do not alter the agency’s determination that the best system to reduce carbon emissions for new coal and gas-fired power plants is partial carbon capture and storage (CCS).  The issue […]