Lockport Powerhouse
Encyclopedia
Dam
A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...
used by the Metropolitan Water Reclamation District of Greater Chicago
Metropolitan Water Reclamation District of Greater Chicago
The Metropolitan Water Reclamation District of Greater Chicago , originally known as the Sanitary District of Chicago is a special-purpose district, chartered to operate in northern Illinois since 1889...
to control the outflow of the Sanitary and Ship Canal
Chicago Sanitary and Ship Canal
The Chicago Sanitary and Ship Canal, historically known as the Chicago Drainage Canal, is the only shipping link between the Great Lakes and the Mississippi River system, by way of the Illinois and Des Plaines Rivers...
and limit the diversion of water from Lake Michigan
Lake Michigan
Lake Michigan is one of the five Great Lakes of North America and the only one located entirely within the United States. It is the second largest of the Great Lakes by volume and the third largest by surface area, after Lake Superior and Lake Huron...
into the Des Plaines River
Des Plaines River
The Des Plaines River is a river that flows southward for through southern Wisconsin and northern Illinois in the U.S. Midwest, eventually meeting the Kankakee River west of Channahon to form the Illinois River, a tributary of the Mississippi River....
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History
The Powerhouse was built in 1907 and is located on the Main Channel Extension in LockportLockport, Illinois
Lockport is a city in Will County, Illinois, United States, that incorporated in 1853. Lockport is located in northeastern Illinois, 30 miles southwest of Chicago, and north of Joliet, at locks connecting Chicago Sanitary and Ship Canal with the Des Plaines River via the Lockport...
, Illinois
Illinois
Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...
. Credits worth millions of dollars have been earned with Commonwealth Edison
Commonwealth Edison
Commonwealth Edison is the largest electric utility in Illinois, serving the Chicago and Northern Illinois area...
for millions of kilowatt hours
Watt-hour
The kilowatt hour, or kilowatt-hour, is a unit of energy equal to 1000 watt hours or 3.6 megajoules.For constant power, energy in watt hours is the product of power in watts and time in hours...
of hydropower
Hydropower
Hydropower, hydraulic power, hydrokinetic power or water power is power that is derived from the force or energy of falling water, which may be harnessed for useful purposes. Since ancient times, hydropower has been used for irrigation and the operation of various mechanical devices, such as...
generated at this facility. The Powerhouse contains two turbines
Water turbine
A water turbine is a rotary engine that takes energy from moving water.Water turbines were developed in the 19th century and were widely used for industrial power prior to electrical grids. Now they are mostly used for electric power generation. They harness a clean and renewable energy...
, each with a nameplate capacity of 6.8 megawatts, according to Inventory of Nonutility Electric Power Plants in the United States 2000, published by the United States Department of Energy
United States Department of Energy
The United States Department of Energy is a Cabinet-level department of the United States government concerned with the United States' policies regarding energy and safety in handling nuclear material...
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The Lockport Lock, Dam and Power House Historic District is listed on the National Register of Historic Places
National Register of Historic Places
The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...
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