| Coffeen Power Station | |
|---|---|
| Country | United States |
| Location | Coffeen,Illinois |
| Coordinates | 39°03′33″N89°24′11″W / 39.05917°N 89.40306°W /39.05917; -89.40306 |
| Status | Decommissioned |
| Commission date | Unit 1: 1965 Unit 2: 1972 |
| Decommission date | Units 1–2: November 2019 |
| Owner | Vistra Energy |
| Thermal power station | |
| Primary fuel | Coal |
| Cooling source | Coffeen Lake |
| Power generation | |
| Units operational | 2 |
| Nameplate capacity | 915MW |
| External links | |
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Coffeen Power Station was a 915 megawatt (MW)coal power plant located south ofCoffeen, Illinois, nearCoffeen Lake State Fish and Wildlife Area inMontgomery County,Illinois. The plant was owned byVistra Energy. Coffeen began operations in 1965 and was shut down on November 1, 2019.[1]
The plant had two units: Unit 1 began operation in 1965 and Unit 2 began operation in 1972.[2] Initially, coal was delivered via conveyor belt from a nearby coal mine.[3] Formerly, the plant had low-sulfur coal delivered from thePowder River Basin.[4] The plant was cooled by Coffeen Lake which was built to support the power plant in mind.[5] Formerly ran byCentral Illinois Public Service Company and laterAmeren, Ameren sold the plant to current ownerDynegy in 2013.[3][6] In 2018, Vistra Energy would assume control of Coffeen following its merger with Dynegy.[7] In August 2019, Vistra Energy announced they were shutting down Coffeen by the end of the year in order to meet new revisions under the Multi-Pollutant Standard Rule set by the Illinois Pollution Control Board.[8]
Coffeen replaced its treatment system in 2009 that reduced chemical discharge into the lake by 35%.[9] The plant went through severalmid-life updates with the installation ofsulfur dioxide (SO
2) scrubbers in 2010 and the replacement ofcyclones in 2011.[2]Hitachi's division of Hitachi Power Systems were contracted to manufacture the scrubbers.[10] The scrubber installations were to comply with the State of Illinois' Multi-Pollutant Standards (MPS) set in 2006.[11]
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