Muskogee Generating Station

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Muskogee Generating Station is a 1,716.0-megawatt coal and gas-fired power station operated by Oklahoma Gas and Electric Company near Fort Gibson, Oklahoma.


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Plant Data

  • Owner: Oklahoma Gas and Electric Company
  • Parent Company: OGE Energy
  • Plant Nameplate Capacity: 1,716.0 MW (Megawatts)
  • Units and In-Service Dates: Unit 4: 572.0 MW (1977), Unit 5: 572.0 MW (1978), Unit 6: 572.0 MW (1984)
  • Location: 5501 Three Forks Rd., Fort Gibson, OK 74434
  • GPS Coordinates: 35.761605, -95.287463
  • Technology: Subcritical
  • Coal type: Sub Bituminous
  • Coal Consumption:
  • Coal Source: North Antelope Rochelle Mine (Peabody Energy)[1]
  • Number of Employees:
  • Unit Conversions: Units 4 and 5 converted from coal to natural gas in 2019.[2]
  • Unit Retirements: Unit 6 is slated for retirement in 2049.[3]

From Coal to Natural Gas

In 2014 it was reported that Muskogee Units 4 and 5 will be converted from coal to natural gas by 2019. Only the 572 MW unit 6 will remain of the power station's coal-burning units.[4] In April 2018 it was reported that work on converting units 4-5 was underway,[5] and in May 2019 that the conversion had been completed.[6]

According to the company's 2021 Integrated Resource Plan, the station has a planned retirement date of 2049.[3] As of 2022, the plant may contribute energy to the Core Scientific Muskogee County facility.

Emissions Data

  • 2006 CO2 Emissions: 10,854,865 tons
  • 2006 SO2 Emissions: 28,627 tons
  • 2006 SO2 Emissions per MWh:
  • 2006 NOx Emissions: 17,073 tons
  • 2005 Mercury Emissions: 311 lb.

Death and disease attributable to fine particle pollution from Muskogee Generating Station

In 2010, Abt Associates issued a study commissioned by the Clean Air Task Force, a nonprofit research and advocacy organization, quantifying the deaths and other health effects attributable to fine particle pollution from coal-fired power plants.[7] Fine particle pollution consists of a complex mixture of soot, heavy metals, sulfur dioxide, and nitrogen oxides. Among these particles, the most dangerous are those less than 2.5 microns in diameter, which are so tiny that they can evade the lung's natural defenses, enter the bloodstream, and be transported to vital organs. Impacts are especially severe among the elderly, children, and those with respiratory disease. The study found that over 13,000 deaths and tens of thousands of cases of chronic bronchitis, acute bronchitis, asthma, congestive heart failure, acute myocardial infarction, dysrhythmia, ischemic heart disease, chronic lung disease, and pneumonia each year are attributable to fine particle pollution from U.S. coal plant emissions. These deaths and illnesses are major examples of coal's external costs, i.e. uncompensated harms inflicted upon the public at large. Low-income and minority populations are disproportionately impacted as well, due to the tendency of companies to avoid locating power plants upwind of affluent communities. To monetize the health impact of fine particle pollution from each coal plant, Abt assigned a value of $7,300,000 to each 2010 mortality, based on a range of government and private studies. Valuations of illnesses ranged from $52 for an asthma episode to $440,000 for a case of chronic bronchitis.[8]

Table 1: Death and disease attributable to fine particle pollution from Muskogee Generating Station

Type of Impact Annual Incidence Valuation
Deaths 62 $440,000,000
Heart attacks 92 $10,000,000
Asthma attacks 1,000 $54,000
Hospital admissions 44 $1,000,000
Chronic bronchitis 37 $17,000,000
Asthma ER visits 66 $24,000

Source: "Find Your Risk from Power Plant Pollution," Clean Air Task Force interactive table, accessed February 2011

Citizen groups

Articles and Resources


  1. "EIA 923 March 2020" EIA 923 2020.
  2. "Preliminary Monthly Electric Generator Inventory", 860m March 2020
  3. 3.0 3.1 "Integrated Resource Plan 2021" OG&E, 2021
  4. "Oklahoma Gas and Electric eyes coal-to-gas switches at Muskogee," Power Engineering, 06/11/2014
  5. "Oklahoma Gas and Electric Co.'s upgrades continue at coal-fired plants," NewsOK, April 27, 2018
  6. Walton, Rod (May 28, 2019). "Oklahoma utility completes acquisition of coal-fired and cogeneration plants". Power Engineering.{{cite web}}: CS1 maint: url-status (link)
  7. "The Toll from Coal: An Updated Assessment of Death and Disease from America's Dirtiest Energy Source," Clean Air Task Force, September 2010.
  8. "Technical Support Document for the Powerplant Impact Estimator Software Tool," Prepared for the Clean Air Task Force by Abt Associates, July 2010

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