John W. Turk Jr. Coal Plant

Last updated
John W. Turk Jr. Coal Plant
John W. Turk Jr. Coal Plant
CountryUnited States
Location Fulton, Hempstead County, Arkansas
Coordinates 33°39′02″N93°48′42″W / 33.6505187°N 93.8115353°W / 33.6505187; -93.8115353 Coordinates: 33°39′02″N93°48′42″W / 33.6505187°N 93.8115353°W / 33.6505187; -93.8115353
StatusOperational
Construction began2008 (2008)
Commission date December 20, 2012 (2012-12-20)
Construction cost$1.8 billion
Owner(s) American Electric Power/SWEPCO (73%),
Arkansas Electric Cooperative Corporation (12%),
East Texas Electric Cooperative (8%),
Oklahoma Municipal Power Authority (7%)
Operator(s)AEP/SWEPCO
Thermal power station
Primary fuel Sub-bituminous pulverized coal
Power generation
Units operational1
Nameplate capacity 600 MW
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[1] [2]

The John W. Turk Jr. Coal Plant is a base load 600-megawatt coal-fired power station in Fulton, Arkansas, operated by the American Electric Power subsidiary Southwestern Electric Power Company (SWEPCO). It provides power to customers in Arkansas, Louisiana, and Texas.

Contents

Named for former SWEPCO president and CEO John W. Turk Jr., the plant came online in 2012 as the first sustained "ultra"-supercritical coal plant in the United States, reaching boiler temperatures above 1,112  °F (600  °C ) and pressures above 4,500  psi (310  bar ). [3] The plant relies on low-sulfur coal from the Powder River Basin.

Its construction was embroiled in regulatory roadblocks and environmental lawsuits. At a total cost of $1.8 billion, it was the most expensive project in Arkansas history. [2]

Litigation

Though first proposed in 2006, lawsuits aiming to protect the environment surrounding the project's proposed site delayed its groundbreaking. Plaintiffs cited potential damage to the area's fish, wildlife, grasslands, and cypress and hardwood groves. [4]

As part of a settlement reached in December 2011 with the Sierra Club, the National Audubon Society, Audubon Arkansas and the Hempstead County Hunting Club, American Electric Power/SWEPCO agreed to close one of the 528-megawatt generating units at its J. Robert Welsh Power Plant in Texas by the end of 2016 and purchase 400 megawatts of renewable energy capacity by the end of 2014. [5]

The settlement also required the company to contribute $8 million to The Nature Conservancy, $2 million to the Arkansas Community Foundation, and reimburse $2 million in legal fees. [6] American Electric Power/SWEPCO agreed to never install additional generating units at the plant or build another coal-fired facility within 30 miles.

SWEPCO announced in January 2012 it had reached 20-year agreements to purchase 359 megawatts of wind power from sources in Oklahoma, Texas, and Kansas, more than quadrupling its wind power portfolio. [7] The Oklahoma Municipal Power Authority, 7 percent owner of the Turk plant, entered a 25-year agreement in 2012 to purchase 49 megawatts of wind power capacity. [8]

Generation

American Electric Power/SWEPCO estimates the plant's ultra-supercritical combustion achieves between 39 and 40 percent efficiency. To overcome material stress from the plant's high pressure and temperature, engineers used new nickel and chrome alloys in the boiler and its components. [9]

Emissions and waste

Compared to a conventional coal-fired plant of similar output, AEP/SWEPCO estimated the Turk facility's ultra-supercritical process would use 180,000 fewer tons of coal and produce 320,000 fewer tons of carbon dioxide annually. [10] Ash and other solid waste is disposed of at an on-site landfill lined with a synthetic material. [11]

Emissions controls at the plant include selective catalytic reduction for nitrous oxide, flue-gas desulfurization for sulfur dioxide, activated carbon injection for mercury and pulse-jet fabric filter baghouse for particulate matter. [12]

Groundwater pollution

In a report published in 2019, the Environmental Integrity Project found levels of lithium in groundwater near the plant are three times of safe limits. [13] Utilities disputed the methodology used in the study. [14]

Greenhouse gases

According to data reported to the EPA, the plant released 4,011,207 metric tons of greenhouse gases in 2017. [15] The emissions in metric tons comprised:

Recognition

POWER Magazine awarded the plant its 2013 Plant of the Year Award. [2]

In 2015, Peabody Energy recognized the plant for the lowest nitrous oxide emission rate and lowest heat rate among U.S. coal-fired power plants. [16]

See also

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References

  1. ↑ "John W. Turk Jr. Power Plant". American Electric Power. Retrieved February 5, 2014.
  2. 1 2 3 "AEP's John W. Turk, Jr. Power Plant Earns POWER's Highest Honor". Power Magazine. August 2013. Retrieved February 5, 2014.
  3. ↑ "Can "Ultrasupercritical" Technology Save Coal Power?". Thomasnet.com. Retrieved November 8, 2014.
  4. ↑ "Smoke on the Water: Stopping a Coal-fired Power Plant in Arkansas". Audubon Magazine. 15 February 2012. Retrieved July 30, 2016.
  5. ↑ "SWEPCO: Legal challenges to Turk plant settled". Arkansas Democrat Gazette. 22 December 2011. Retrieved February 5, 2014.
  6. ↑ "AEP Resolves All Legal Challenges Against Turk Plant". Arkansas Electric Power. Retrieved February 24, 2014.
  7. ↑ Turner, Lance (January 25, 2012). "As Part of Turk Settlement with Sierra Club, Swepco Buys Wind Energy". Arkansas Business. Retrieved February 23, 2014.
  8. ↑ "OMPA To Purchase 49.2 Megawatts Of Canadian Hills Wind Farm". Oklahoma Municipal Power Authority. 25 January 2012. Retrieved February 23, 2014.
  9. ↑ "Ultra-supercritical generation: Increased Efficiency with Increased Environmental Performance" (PDF). American Electric Power. Retrieved February 5, 2014.
  10. ↑ "Boilermakers help build first U.S. ultra-supercritical unit". The International Brotherhood of Boilermakers. 24 February 2012. Retrieved February 16, 2014.
  11. ↑ "John W. Turk Jr. Power Plant – Environmental Fact Sheet" (PDF) (PDF). Southwestern Electric Power Company. Archived from the original (PDF) on March 2, 2014. Retrieved March 2, 2014.
  12. ↑ "John W. Turk Power Plant Update" (PDF). American Electric Power. May 31, 2012. Archived from the original (PDF) on March 5, 2014. Retrieved March 5, 2014.
  13. ↑ "Coal's Poisonous Legacy: Groundwater Contaminated by Coal Ash Across the U.S." Environmental Integrity Project. Retrieved March 18, 2019.
  14. ↑ "Pollutants judged too high at 4 Arkansas waste sites". Arkansas Online. March 17, 2019. Retrieved March 18, 2019.
  15. ↑ "EPA Facility Level GHG Emissions Data". Environmental Protection Agency. Retrieved March 18, 2019.
  16. ↑ "Peabody Energy Honors the World's Cleanest Coal Plants". Peabody Energy. December 8, 2015. Retrieved July 30, 2016.
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