Gibson Generating Station

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Gibson Generating Station is an operating power station of at least 3339-megawatts (MW) in East Mount Carmel, Gibson, Indiana, United States.


Table 1: Project-level location details

Plant name Location Coordinates (WGS 84)
Gibson Generating Station East Mount Carmel, Gibson, Indiana, United States 38.371381, -87.768189 (exact)

The map below shows the exact location of the power station.

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Unit-level coordinates (WGS 84):

  • Unit 1, Unit 5, Unit 4, Unit 2, Unit 3: 38.371381, -87.768189

Project Details

Table 2: Unit-level details

Unit name Status Fuel(s) Capacity (MW) Technology Start year Retired year
Unit 1 operating coal - bituminous 667.9 supercritical 1975 2035 (planned)
Unit 5 operating coal - bituminous 667.9 supercritical 1982 2025 (planned)
Unit 4 operating coal - bituminous 667.9 supercritical 1979 2029 (planned)
Unit 2 operating coal - bituminous 667.9 supercritical 1976 2035 (planned)
Unit 3 operating coal - bituminous 667.9 supercritical 1978 2029 (planned)

Table 3: Unit-level ownership and operator details

Unit name Owner
Unit 1 Duke Energy Indiana LLC [100.0%]
Unit 5 Indiana Municipal Power Agency [24.95%], Duke Energy Indiana LLC [50.05%], Wabash Valley Power Association Inc [25.0%]
Unit 4 Duke Energy Indiana LLC [100.0%]
Unit 2 Duke Energy Indiana LLC [100.0%]
Unit 3 Duke Energy Indiana LLC [100.0%]


Emissions Data

  • 2006 CO2 Emissions: 21,447,980 tons
  • 2006 SO2 Emissions: 155,057 tons
  • 2006 SO2 Emissions per MWh:
  • 2006 NOx Emissions: 28,533 tons
  • 2005 Mercury Emissions: 577 lb.

Death and disease attributable to fine particle pollution from Gibson 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.[4] 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.[5]

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

Type of Impact Annual Incidence Valuation
Deaths 84 $610,000,000
Heart attacks 130 $14,000,000
Asthma attacks 1,400 $73,000
Hospital admissions 61 $1,400,000
Chronic bronchitis 51 $23,000,000
Asthma ER visits 88 $32,000

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

Coal Waste Sites

Gibson ranked 6th on list of most polluting power plants in terms of coal waste

In January 2009, Sue Sturgis of the Institute of Southern Studies compiled a list of the 100 most polluting coal plants in the United States in terms of coal combustion waste (CCW) stored in surface impoundments like the one involved in the TVA Kingston Fossil Plant coal ash spill.[6] The data came from the EPA's Toxics Release Inventory (TRI) for 2006, the most recent year available.[7]

Gibson Generating Station ranked number 6 on the list, with 3,030,524 pounds of coal combustion waste released to surface impoundments in 2006.[6]

Gibson ranked 4th in terms of largest carbon dioxide emissions

According to a 2009 report by Environment America, "America's Biggest Polluters," the Gibson station is the fourth dirtiest plant in the nation, releasing 22.4 million tons of carbon dioxide in 2007. Ranking is based upon Environmental Protection Agency data.[8]

Articles and Resources


  1. "Duke Energy 10-k filing 2019", 10-k filing 2019, accessed June 2020.
  2. "Wabash Valley Power 2019 financial statement", accessed June 2020.
  3. "Gibson Station", accessed June 2020.
  4. "The Toll from Coal: An Updated Assessment of Death and Disease from America's Dirtiest Energy Source," Clean Air Task Force, September 2010.
  5. "Technical Support Document for the Powerplant Impact Estimator Software Tool," Prepared for the Clean Air Task Force by Abt Associates, July 2010
  6. 6.0 6.1 Sue Sturgis, "Coal's ticking timebomb: Could disaster strike a coal ash dump near you?," Institute for Southern Studies, January 4, 2009.
  7. TRI Explorer, EPA, accessed January 2009.
  8. "America's Biggest Polluters: Carbon Dioxide Emissions from Power Plants in 2007" Environment America, November 24, 2009

Additional data

To access additional data, including an interactive map of coal-fired power stations, a downloadable dataset, and summary data, please visit the Global Coal Plant Tracker on the Global Energy Monitor website.