The W. H. Sammis Power Plant is a coal-fired power plant at 40°31′48"N 80°37′51"W, Stratton

Stratton, Ohio

Stratton is a village in Jefferson County, Ohio, United States, along the Ohio River. The population was 277 at the 2000 census. It is part of the Weirton–Steubenville, WV-OH Metropolitan Statistical Area. A major local employer is the W. H...

, Ohio

Ohio

Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

, USA

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The plant, operated by FirstEnergy

FirstEnergy

FirstEnergy Corp. , is a diversified energy company headquartered in Akron, Ohio. Its subsidiaries and affiliates are involved in the generation, transmission, and distribution of electricity, as well as energy management and other energy-related services...

, was the subject of a Clean Air Act

Clean Air Act

A Clean Air Act is one of a number of pieces of legislation relating to the reduction of airborne contaminants, smog and air pollution in general. The use by governments to enforce clean air standards has contributed to an improvement in human health and longer life spans...

 case by the Environmental Protection Agency

United States Environmental Protection Agency

The U.S. Environmental Protection Agency is an agency of the federal government of the United States charged with protecting human health and the environment, by writing and enforcing regulations based on laws passed by Congress...

 filed in 1999. Current renovations and construction are being designed and managed by Bechtel Power, one of the world's largest and most successful engineering firms. Block 7 includes one of the tallest chimneys in the world (305 m), which was built in 1970. The power plant includes a tunnel for State Route 7, a four-lane freeway. The tunnel goes under the Baghouse structure, which filters particulate and toxic gases from the exhaust before entering the smoke stack.

History

The first four units were finished between 1959 and 1962. Additional units were completed in 1967, 1969, and 1971.