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The Monroe Power Plant is a coal-fired power plant located in
Monroe, Michigan Monroe is the largest city and county seat of Monroe County in the U.S. state of Michigan. Monroe had a population of 20,462 in the 2020 census. The city is bordered on the south by Monroe Charter Township, but the two are administered autonom ...
, on the western shore of
Lake Erie Lake Erie ( "eerie") is the fourth largest lake by surface area of the five Great Lakes in North America and the eleventh-largest globally. It is the southernmost, shallowest, and smallest by volume of the Great Lakes and therefore also has t ...
. It is owned by the DTE Energy Electric Company, a subsidiary of DTE Energy. The plant was constructed in the early 1970s and began operating in 1971. The plant has 4 generating units, each with an output of 850 megawatts. With all four generating units operating, the plant's total output is 3,300 megawatts (3,400 MW total, with 100 MW required for the plant machinery to run). This makes it the eleventh largest electric plant in the United States. The Monroe Power Plant connects to the power grid by numerous 120,000- and 345,000-volt
transmission line In electrical engineering, a transmission line is a specialized cable or other structure designed to conduct electromagnetic waves in a contained manner. The term applies when the conductors are long enough that the wave nature of the transmi ...
s, owned and maintained by ITC Transmission. Two of the 345 kV lines going out of the plant interconnect with
FirstEnergy FirstEnergy Corp is an electric utility headquartered in Akron, Ohio. It was established when Ohio Edison acquired Centerior Energy in 1997. Its subsidiaries and affiliates are involved in the distribution, transmission, and generation of electri ...
in
Ohio Ohio () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Of the List of states and territories of the United States, fifty U.S. states, it is the List of U.S. states and territories by area, 34th-l ...
(Bayshore-Monroe line and the Majestic-Monroe-Allen Junction Line). The plant is scheduled to close in 2028.


Flue gas treatment

The Monroe Power Plant did significant upgrades and maintenance at the facility in late 2007 and 2008.
Flue-gas desulfurization Flue-gas desulfurization (FGD) is a set of technologies used to remove sulfur dioxide () from exhaust flue gases of fossil-fuel power plants, and from the emissions of other sulfur oxide emitting processes such as waste incineration. Methods ...
(FGD) units, or sulfur-oxide "scrubbers", are in operation on all four of Monroe's generating units. These devices reduce over 95% of the
sulfur dioxide Sulfur dioxide ( IUPAC-recommended spelling) or sulphur dioxide (traditional Commonwealth English) is the chemical compound with the formula . It is a toxic gas responsible for the odor of burnt matches. It is released naturally by volcanic ...
() emissions.
Selective catalytic reduction Selective catalytic reduction (SCR) is a means of converting nitrogen oxides, also referred to as with the aid of a catalyst into diatomic nitrogen (), and water (). A reductant, typically anhydrous ammonia (), aqueous ammonia (), or a urea ...
(SCR) systems reduce the amount of by combining with the over an SCR catalyst to reduce 90% of the to water and nitrogen. Currently all of the generating units use SCRs.


See also

*
List of largest power stations in the United States This article lists the largest electrical generating stations in the United States in terms of current installed electrical capacity. Non-renewable power stations are those that run on coal, fuel oils, nuclear, natural gas, oil shale and peat, w ...
* List of power stations in Michigan


References

{{Monroe, Michigan Energy infrastructure completed in 1974 Monroe, Michigan Coal-fired power stations in Michigan DTE Energy Buildings and structures in Monroe County, Michigan