Fossil-Fired Plants

Fossil-fired plants account for approximately 45 percent of SCE&G's electric generation capacity. For detailed information on a specific fossil-fired plant, select one of the power plants below.

Facts About Fossil-fired Plants

  • Fossil plants are the most common type of power plant.
  • Two-thirds of SCE&G's electricity comes from fossil plants.
  • Steam is used to turn a fossil plant's large turbines.
  • Steam is created by one of the three most common fossil fuels -- natural gas, oil, or coal.
  • Coal is the most common fossil fuel used, and is usually hauled in by train.

How A Fossil-fired Plant Works

  • Coal, ground into a fine powder, is burned inside a boiler producing steam.
  • Steam spins blades on the turbine which turns the generator producing electricity.
  • Steam is cooled in a condenser by water from a nearby river or lake. The cooled steam, now water, returns to the boiler and the cycle is repeated.
  • At the larger power plants, the water used to condense the steam is sent to cooling towers for cooling before being used again.
  • The cooling water returns to the lake or river. The water goes through cooling towers before reentering a river. This prevents environmental problems that could occur from warming the river.
  • Recent advancements in clean air technology have been put in to reduce plant emissions.
SCE&G Fossil-fired Plants
Plant Capacity Location
Canadys Station Retired Canadys, SC
Cope Station 415 MW Cope, SC
McMeekin Station 250 MW Irmo, SC
Wateree Station  685 MW Eastover, SC
Williams Station 605 MW Charleston, SC

Environmental Upgrades Reduce Emissions
The following charts show the annual emissions reductions from 1995-2010 as a result of environmental upgrades at SCE&G's fossil-fired plants.

SO2 and NOX charts
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