Coal Fire Frederick Md

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The Dickerson Generating Station is an 853 MW electric generating plant owned by NRG Energy, located approximately two miles west of Dickerson, Maryland.


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Description

The facility consists of three 182 MW coal-fired steam generating plants, two 147 MW gas and oil-fired simple cycle combustion turbines, and one 13 MW black start and peaking turbine. The three coal-fired units are base-loaded and went into operation in 1959, 1960, and 1962 respectively. Condenser cooling for these units is accomplished with once-through cooling water from the Potomac River at a rate of up to 400 million US gallons (1,500,000 m3) per day. Coal is delivered to the Dickerson Generating Station by CSX Transportation train. The two combustion turbines are General Electric Frame 7F gas turbines which went into operation in 1992 and 1993, and are normally fired with natural gas from a Consolidated Natural Gas company pipeline which traverses the Dickerson site.

The generation plant's site property abuts the Chesapeake and Ohio Canal National Historical Park, which follows along the Potomac River. The C&O Canal structures nearest to the plant are Lock 27 and the Monocacy Aqueduct.


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History

The Dickerson plant began service in 1959. All of the generating plants were built by the Potomac Electric Power Company, which sold them to the Southern Company in December 2000 as a result of the restructuring of the electricity generating industry in Maryland. The station was included in the spin-off from the Southern Company of Mirant in April 2001. Mirant was merged into GenOn Energy in 2010, and GenOn merged into NRG in 2012.

In 1991, the 900-foot (270 m)-long cooling water discharge channel from the power plant, which empties into the Potomac River, became the Dickerson Whitewater Course, a canoe and kayak training facility for the 1992 Olympic Games.

In December 2009, a $1.1 billion emissions upgrade was completed. A new stack and cooling system reduced the amount of waste heat going into the cooling water discharge channel.

In 2013, NRG filed notice that it planned to decommission the coal generators by 2017, citing state emissions requirements.


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Operations

NRG operates the coal-fired units as base load generation and the combustion turbines as peaking generation. The Dickerson Generating Station is dispatched by the PJM Interconnection regional transmission organization.


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Montgomery County Resource Recovery Facility

The Montgomery County Resource Recovery Facility, a 56 MW generating incineration plant that burns municipal garbage and waste, is next to the Dickerson Generating Station. This waste-to-energy plant is served by the CSX railroad line, which delivers trash from a central collection center in Derwood to the plant. The facility began operations in 1995 and is operated by the Northeast Maryland Waste Disposal Authority, a state-owned corporation.

Source of the article : Wikipedia



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