Coal-fired Plants in the USA - North & South Dakota
Antelope Valley
Location: ND
Operator: Basin Electric Power Coop
Configuration: 2 X 450 MW
Operation: 1984-1986
Fuel: lignite
Boiler supplier: CE
T/G supplier: Westinghouse
EPC: Stearns-Rogers
Quick facts: AVS is located 7mi northwest of Beulah ND. It is part of a $4bn energy complex that includes the Great Plains Synfuels Plant and the Freedom Mine owned by North American Coal Co. This is the largest lignite mine in the USA and has two 120ydł draglines and a fleet of 200t overburden trucks.

Photograph courtesy of Basin Electric Power Coop
Posted 19 Aug 2001

Ben French
Location: SD
Operator: Black Hills Power
Configuration: 1 X 25 MW
Operation: 1961 (ret)
Fuel: subbituminous coal, natural gas
Boiler supplier: B&W
T/G supplier: AC
Quick facts: Bem French PS was built in Rapid Cty and operated for over 50yrs before being taken offline in Aug 2012. A $3.5mn demolition project began in Jul 2015. The 200ft tall stack was a local landmark. The power station was named for J.B. “Ben” French, who served as Black Hills Power’s first president from 1941 to 1957 and as company chairman until 1972.

Photograph courtesy of DiGeronimo Companies
Posted 18 Jul 2015

Big Stone
Location: ND
Operator: Otter Tail Power Co
Configuration: 1 X 475 MW
Operation: 1975
Fuel: subbituminous coal
Boiler supplier: B&W
T/G supplier: WH
EPC: Bechtel
Quick facts: Big Stone is jointly-owned by Otter Tail Power Co (53.9%), NorthWestern Energy (23.4%), and Montana-Dakota Utilities (22.7%). A new baghouse was installed in 2007. In Mar 2013, the owners began a $405mn dry FGD and SCR retrofit project at Big Stone. The new equipment began testing in mid-2015. Sargent & Lundy was project engineer and Graycor Industrial was lead civil contractor on the project. B&W was in charge of required boiler mods.

Photograph courtesy of Otter Tail Power Co
Posted 18 Jul 2015

Coal Creek
Location: ND
Operator: Great River Energy
Configuration: 2 X 550 MW
Operation: 1979-1981
Fuel: lignite
Boiler supplier: CE
T/G supplier: GE
EPC: Black & Veatch
Quick facts: This is North Dakota’s largest power plant. Ground was broken in the fall of 1974. Coal Creek Station burns 7.5-8mn tpy of lignite supplied by the adjoining Falkirk Mine. Electricity is delivered to customers over a 436mi HVDC power line. The boilers are 205ft tall. Since the power plant was built, approximately $200mn has been invested in environmental equipment. Most fly ash is sold and in 2003, GRE built an 85,000t fly ash storage dome to ensure that an adequate supply is available throughout the year. Since Mar 2007, Coal Creek has also supplied waste heat for the operations of the new 50mn gpy Blue Flint Ethanol plant built next to the power station.

Photograph courtesy of Great River Energy
Posted 6 Nov 2004

Coyote
Location: ND
Operator: Otter Tail Power Co
Configuration: 1 X 450 MW
Operation: 1981
Fuel: lignite
Boiler supplier: B&W
T/G supplier: WH
EPC: Bechtel
Quick facts: Coyote has a baghouse and dry aqueous carbonate FGD scrubber, one of the first of its kind. Fuel is from Dakota Westmoreland Corp’s Beulah Mine, a 9,000ac surface mine complex located 75mi northwest of Bismarck. It currently produces lignite from three active pits. Coyote is jointly owned by Otter Tail Power Co (35%), Northern Municipal Power Agency (30%), Montana-Dakota Utilities (25%) and NorthWestern Energy (10%).

Photograph courtesy of powerofcoal.com
Posted 25 Jul 2009

Heskett
Location: ND
Operator: Montana-Dakota Utilities
Configuration: 1 X 40, 1 X 75 MW
Operation: 1954-1963
Fuel: bituminous coal, lignite, natural gas
Boiler supplier: B&W, Riley
T/G supplier: GE
EPC: Ebasco
Quick facts: Heskett Unit-2 cost $10.5mn. It was retrofit with a CFB boiler in 1987 and has accumulated the most operating hours of any CFB boiler in the USA. The plant is named for R M Heskett, the founder of Minnesota Northern Power Co, a predecessor of Montana-Dakota Utilities.

Photograph courtesy of powerofcoal.com
Posted 25 Jul 2009

 
Leland Olds
Location: ND
Operator: Basin Electric Power Coop
Configuration: 1 X 216 MW, 1 X 440 MW
Operation: 1966-1975
Fuel: lignite
Boiler supplier: B&W
T/G supplier: GE, BBC
EPC: RW Beck, Burns & Roe
Quick facts: This plant is named after Leland Olds, a pioneering advocate of public power and Chairman of the Federal Power Commission from 1940-1949. In Sep/Oct 2009, a new low-pressure turbine rotor was installed at Leland Olds-2 replacing damaged equipment. Workers also installed overfire air systems in the boiler during the outage.

Photograph courtesy of Basin Electric Power Coop
Posted 2 Aug 2001

  Stanton
Location: ND
Operator: Great River Energy
Configuration: 1 X 188 MW
Operation: 1967 (ret)
Fuel: subbituminous coal, lignite
Boiler supplier: FW, CE
T/G supplier: GE
EPC: Pioneer, Black & Veatch
Quick facts: Stanton power station has two boilers (the second added in 1982) and a single T/G set. In 2006, the plant completed a 853-day record run. Fuel burn is about 850,000 tpy. A new dry FGD system allows the plant to use both lignite and subbbituminous coal and meet applicable air quality regulations. The Stanton plant was retired on 25 Feb 2017. Demolition is scheduled to begin in 2018.

Photograph courtesy of Great River Energy
Posted 16 Jun 2001

 

Abbreviations

Data: industcards, Platts UDI World Electric Power Plants Data Base

Updated 01-Mar-2017

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