Canadys Station

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Canadys Station is a retired power station in Canadys, Colleton, South Carolina, United States.


Table 1: Project-level location details

Plant name Location Coordinates (WGS 84)
Canadys Station Canadys, Colleton, South Carolina, United States 33.064981, -80.622758 (exact)

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

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Unit-level coordinates (WGS 84):

  • Unit 1, Unit 2, Unit 3: 33.064981, -80.622758

Project Details

Table 2: Unit-level details

Unit name Status Fuel(s) Capacity (MW) Technology Start year Retired year
Unit 1 retired coal - bituminous 136 subcritical 1962 2012
Unit 2 retired coal - bituminous 136 subcritical 1964 2013
Unit 3 retired coal - bituminous 217.6 subcritical 1967 2013

Table 3: Unit-level ownership and operator details

Unit name Owner
Unit 1 Dominion Energy South Carolina Inc [100.0%]
Unit 2 Dominion Energy South Carolina Inc [100.0%]
Unit 3 Dominion Energy South Carolina Inc [100.0%]


The 490 MW coal-fired power station is owned and operated by South Carolina Electric & Gas Company (SCE&G), the principal subsidiary of SCANA.[1][2] The plant's actual output was estimated to be 420 MW and its coal consumption was "approximately 130 tons of coal per hour when operating at full load."[2]

The full power station was retired in 2013.[3]

Retirement and fuel conversion plans

On May 30, 2012, SCE&G announced plans to retire up to six coal-fired generating units at three locations by the end of 2018. The units range in age from 45 to 57 years and are the utility's oldest and smallest coal-fired units.[4]

Plans included retirement of Unit 1 at the Canadys Station by the end of 2012, and retirement of the remaining two units (Units 2 and 3) by the end of 2017, after an interim conversion to natural gas.[4]

In June 2013 SCE&G said it had re-evaluated its plans and decided to close Units 2 and 3 by the end of December 2013.[5]

Death and disease attributable to fine particle pollution from Canadys 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.[6] 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.[7]

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

Type of Impact Annual Incidence Valuation
Deaths 33 $240,000,000
Heart attacks 48 $5,200,000
Asthma attacks 560 $29,000
Hospital admissions 25 $570,000
Chronic bronchitis 20 $9,000,000
Asthma ER visits 32 $12,000

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

Canadys ranked 78th 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.[8] The data came from the EPA's Toxics Release Inventory (TRI) for 2006, the most recent year available.[9]

Canadys Station ranked number 78 on the list, with 357,897 pounds of coal combustion waste released to surface impoundments in 2006.[8]

Pollution Issues: Canadys cited as contaminated by coal ash in 2007 EPA report

A 2007 assessment by the U.S. Environmental Protection Agency found that at least 23 states already have poisoned surface or groundwater supplies from improper disposal of coal ash, including Texas, Virginia, and the Carolinas. Sites in the South that EPA identified as having suffered proven damages from coal ash contamination include the Canadys Station, as well as Virginia Electric & Power (now Dominion Resources) plant in Possum Point, Va.; the Virginia Power (now Dominion) Yorktown Power Station Chisman Creek disposal site in York County, Va.; Southern Co.'s Plant Bowen in Cartersville, Ga.; the U.S. Department of Energy's Chestnut Ridge plant in Oak Ridge, Tenn.; DOE's Savannah River Project in South Carolina; the Brandy Branch Reservoir near the Southwestern Electric Power (AEP) Pirkey power plant; Southwestern/AEP's Welsh Reservoir in Texas; and Texas Utilities' (now TXU's) Martin Lake Reservoir.[10]

On its website, CSE&G state that in 2007 "a dry ash silo was installed on unit 3. This system was installed to collect fly ash and for recycling ash to be used in the production of cement."[2]

2011: Citizens express concern over proposed coal ash site for plant

In January 2011, Colleton County residents voiced concerns over plans by SCE&G to put a coal ash landfill between Sidneys and Pleasant Grove Road. The 1,000-acre landfill would be used for coal ash and other coal waste leftovers from the utility's Canadys plant. A meeting is planned for Jan. 27, 2011, to discuss whether local officials should approve the landfill. The Sierra Club of South Carolina, the South Carolina Coastal Conservation League and homeowners are organizing meetings about the proposed landfill.[11]

On Feb. 24, 2011, Colleton County rejected the request by South Carolina Electric and Gas to build a coal ash landfill in the county, with the county zoning board of appeals deadlocked 2-2 on the issue. A majority was needed so the utility could build the landfill. SCE&G wanted a zoning exception to create a 15-story-tall landfill of coal ash residue near the village of Canadys.[12]

2006 Emissions Data

  • 2006 CO2 Emissions: 2,639,835 tons
  • 2006 SO2 Emissions: 22,984 tons
  • 2006 SO2 Emissions per MWh:
  • 2006 NOx Emissions: 4,998 tons
  • 2005 Mercury Emissions: 79 lb.

Citizen groups

Articles and Resources


  1. U.S. Energy Information Administration, "GeneratorY09", Form EIA-860 Annual Electric Generator Report, U.S. Department of Energy, 2009. (This is a spreadsheet within a zipped data file).
  2. 2.0 2.1 2.2 "SCE&G Fossil Fired plants" SCE&G Website, accessed April 2011.
  3. Form EIA-860 Data - Schedule 3, 'Generator Data' US EIA, 2014
  4. 4.0 4.1 "SCE&G Announces Plans to Retire a Portion of its Coal-fired Generation," SCE&G press release, May 30, 2012
  5. Warren Wise, "SCE&G to accelerate shutdown of two coal units near Walterboro," Post & Courier, June 5, 2013.
  6. "The Toll from Coal: An Updated Assessment of Death and Disease from America's Dirtiest Energy Source," Clean Air Task Force, September 2010.
  7. "Technical Support Document for the Powerplant Impact Estimator Software Tool," Prepared for the Clean Air Task Force by Abt Associates, July 2010
  8. 8.0 8.1 Sue Sturgis, "Coal's ticking timebomb: Could disaster strike a coal ash dump near you?," Institute for Southern Studies, January 4, 2009.
  9. TRI Explorer, EPA, accessed January 2009.
  10. Sue Sturgis, "POWER POLITICS: Pressure builds for better regulation of coal ash dumps" Catawba Riverkeeper, 2007.
  11. "Colleton County residents upset over proposed coal ash landfill" live5news, Jan. 18, 2011.
  12. "Colleton rejects SCE&G ash landfill" AP, Feb. 25, 2011>

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.