|Clifty Creek Power Plant|
Clifty Creek Power Plant in May 2015
CLIFTY CREEK POWER PLANT Latitude and Longitude:
|Commission date||Unit 1: February 1955|
Unit 2: May 1955
Unit 3: July 1955
Unit 4: October 1955
Unit 5: November 1955
Unit 6: March 1956
|Owner(s)||Ohio Valley Electric Corporation|
|Thermal power station|
|Primary fuel||Subbituminous coal|
|Cooling source||Ohio River|
|Nameplate capacity||1303 MW|
Clifty Creek Power Plant is a 1.3 gigawatt, 1,300 ( MW) coal-fired power station located in Madison, Indiana. Clifty Creek is operated by the Ohio Valley Electric Corporation. It is named after Clifty Creek, the naming feature for the power plant, which enters the Ohio River nearby.
Five of its six identical units began operating in 1955, the sixth unit was launched in 1956.   Its six units supplied electricity for the Portsmouth Gaseous Diffusion Plant in Piketon, Ohio along with its sister plant, Kyger Creek Power Plant in Gallia County, Ohio.  It has two of the tallest chimneys in the world, at 980 feet (300 m) with another recently completed dual-flue chimney that stands at around 935 feet (285 m).
Pollution control systems were installed at Clifty Creek in 2001 to reduce
nitrogen oxide (NOx) emissions by 80%.
 With all of its units dating back to mid-1950s, the plant ranked 49th on the
United States list of dirtiest power plants in terms of
sulfur dioxide (SO
2) emissions per megawatt-hour of electrical energy produced in 2006.[ citation needed] However, with the addition of two jet bubbling reactor flue gas desulfurization (FGD) systems in 2013, 98% of sulfur dioxide is now removed. 
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The plant is connected to the power grid by 6 345kv lines and 3 138kv lines. 1 345kv line goes to the Trimble County Power Plant, which is an interconnection with Louisville Gas & Electric. 1 short 345kv line connects with the nearby American Electric Power Jefferson 765kv Station. Finally, 2 double-circuit 345 lines connect with the Pierce Substation in Ohio; on the way, one of the 2 double-circuit lines connects with the AEP and Duke 345kv network near Lawrenceburg, Indiana, via the Dearborn substation.
- "Existing Electric Generating Units in the United States, 2006" (Excel). Energy Information Administration, U.S. Department of Energy. 2006. Retrieved July 14, 2008.
- "IKEC to invest $460 million for Environmental Controls at Clifty Creek Power Plant" ( PDF) (Press release). Indiana-Kentucky Electric Corporation. May 11, 2006. Retrieved January 12, 2007.
- "The Role of the Portsmouth Gaseous Diffusion Plant in Cold War History" (PDF). United States Department of Energy. February 2017. pp. 92–94. Retrieved October 29, 2017.
- "New Pollution Control Equipment to Be Built at Kyger Creek and Clifty Creek Power Plants". Indiana-Kentucky Electric Corporation. Pollution Online. June 1, 2001. Retrieved October 29, 2017.
- Carnes, Clifford (March 25, 2013). "Clifty Creek Plant to Reduce Emissions Through New Scrubber System" (PDF). Indiana-Kentucky Electric Corporation. Retrieved October 29, 2017.
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