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Construction of Unit 1 began in 1955 and was commissioned by
Columbus & Southern Ohio Electric (a forerunner of AEP). Unit 1 began commercial generation in 1957 while Unit 2 began operations two years later in 1959. Both units cost $ 36 million to construct and generated 125 MW each. Unit 3 began
395:
Units 1 and 2 were retired in 2005 after Unit 1's tubing to its boiler failed. Inspections on Unit 2 revealed severe corrosion in a pattern that was similar to Unit 1. The reported cost of $ 35 million to repair both units was not worth the benefit of returning to service. Unit 3 was retired in
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408:, and other toxic emissions. AEP announced in October 2018 they will shut down Conesville by May 2020. Units 5 and 6 retired on May 31, 2019, while Unit 4 remained in operation until April 2020. The decision to close the plant was due to operational costs, not clearing
330:'s (EPA) Clean Air Interstate Rule (CAIR) and Clean Air Mercury Rule (CAMR). The $ 450 million project for Unit 4, saw the construction of an 800 ft (240 m) smokestack for the FGD equipment. After it was installed, inspectors found corrosion. AEP settled with
349:) emissions, but it operated inefficiently. The scrubber was eventually upgraded in 2008. In the summer of 2001, Unit 6 was the test site for Thermal Energy International's THERMALONOx. The THERMALONOx was intended to show that
282:), Columbus & Southern Ohio Electric, and DP&L. Units 5 and 6 began operations in 1976 and 1978 respectively. Over the years, Units 5 and 6 have increased electrical generation from 375 MW to 405 MW. In 2014,
387:(EIA), the plant received 1,716,286 short tons of coal in 2017. All of the coal was shipped from mines within Ohio. Conesville used to employ 600 workers. In 2018, only 165 were employed at the plant.
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operations in 1962 with a generation capacity of 165 MW. Unit 4 began operations in 1973 with a generation capacity of 780 MW. At the time of its conception, the unit would be jointly owned by
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362:) emissions would be reduced by 70%. Unfortunately, the demonstration was halted in September 2001 after the "system did not appreciably reduce nitrogen oxide (
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In July 2004, a tank exploded burning two workers. They would later die from their injuries. AEP determined the cause was due to a sudden release of molten
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265:. All plant operations were handled by AEP. Conesville began operations in 1957 and ceased generation in April 2020.
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When the first unit went into operation, it was projected that
Conesville would use between 300,000 and 400,000
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from going into the atmosphere. ESPs were later installed to Units 1–3 in the mid-1970s. Unit 4 also had
1077:"THERMALONOx demonstration project at AEP's Conesville Plant suggests need for additional laboratory research"
258:
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30:
412:'s capacity auction, and AEP unable to find a buyer. The facility was imploded on December 19, 2021.
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290:. Three years later in 2017, Dynegy sold its stake in Conesville in a swap with AEP for a stake of
198:
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294:. At the time of its closure in 2020, DP&L held a minority ownership of Unit 4 with AEP.
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428:. The protestors spent three days on top of the smokestack. They were charged with
895:"AEP announces additional environmental investments at five plants in four states"
432:. The judge fined both protestors $ 250 and were sentenced to three days in jail.
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climbed up one of
Conesville Power Plant's smokestacks to protest against
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971:"Failing Pollution Scrubbers – 'Aggressive' decay eats at power plants"
307:
287:
436:
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846:"AEP plans to shut down Conesville coal plant in Ohio by 2020"
1205:"AEP to retire 750 MW of coal capacity at Conesville plant"
257:. Its units were co-owned at the time of its closing by
1247:. The Associated Press. February 11, 1982. p. 17-A
1294:"AEP Employee Dies 2 Weeks After Conesville Explosion"
314:
constructed which resulted in zero discharge into the
1241:"Smokestack sitters extend vigil without any regrets"
768:
Interconnection
Service Agreement (PJM Queue #Y1-018)
716:"C&SOE Initiates Newest Electric Generating Unit"
1178:"Conesville plant labeled as a top-5 metal polluter"
318:. In 2009, Unit 4 would receive the installation of
1149:Dickerson, Kathie; Whiteman, Doug (June 10, 2011).
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1399:Buildings and structures in Coshocton County, Ohio
868:"Conesville Unit 4 Contributing To CSOE Operation"
1321:"AEP officials determine cause of fatal accident"
742:"C&SOE's Leppla Met Challenge Of Past Winter"
586:"2 units at AEP Conesville plant to be shuttered"
710:
708:
612:"Conesville Power Plant Began Operating in 1958"
1052:"AEP to test nitrogen oxide control technology"
531:"Top Executives Tell of Conesville Power Plant"
496:
494:
773:(Report). PJM Interconnection. October 1, 2013
558:"AEP Conesville still fired up after 60 years"
525:
523:
1118:
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1099:"Coal Data Browser – Shipments to Conesville"
817:"AEP, Dynegy swap Ohio power plant ownership"
326:(SCR) system to meet the requirements of the
8:
1029:. Associated Press. June 5, 1978. p. 11
839:
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1125:"AEP Conesville Plant to close by May 2020"
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396:December 2012 in order to comply with the
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16:Coal power plant in Coshocton County, Ohio
1101:. Energy Information Administration (EIA)
1404:Former coal-fired power stations in Ohio
1349:DP&L Page for Conesville Power Plant
365:
356:
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1394:Energy infrastructure completed in 1978
1389:Energy infrastructure completed in 1976
1384:Energy infrastructure completed in 1973
1379:Energy infrastructure completed in 1962
1374:Energy infrastructure completed in 1959
1369:Energy infrastructure completed in 1957
1079:. Power Engineering. September 28, 2001
501:Hayhurst, Leonard L. (April 30, 2020).
490:
220:Related media on Commons
1227:"Towers at Former AEP Plant Come Down"
1176:Dickerson, Kathie (January 13, 2013).
1046:
1044:
420:In February 1982, two protestors from
1123:Hayhurst, Leonard (October 5, 2018).
919:McHenry, Melissa (January 17, 2008).
794:"Dynegy to buy 12,500 MW for $ 6.25B"
556:Hayhurst, Leonard (August 24, 2017).
7:
1266:Weidner, Nolan (February 12, 1982).
1207:. S&P Global Market Intelligence
848:. S&P Global Market Intelligence
792:Savenije, Davide (August 22, 2014).
687:"Conesville power plant constructed"
383:of coal each year. According to the
338:technology were installed to reduce
1319:Douglas, Kristy (August 12, 2004).
844:Sweeney, Darren (October 8, 2018).
503:"AEP Conesville reaches end of era"
57:Franklin Township, Coshocton County
1054:. Power Engineering. March 8, 2001
942:Dickerson, Kathie (May 14, 2009).
893:McHenry, Melissa (June 17, 2005).
14:
1355: (archived February 13, 2019)
637:Waitkus, Dave (January 7, 2013).
385:Energy Information Administration
306:(ESPs) were installed to prevent
302:With the installation of Unit 4,
1203:Sweeney, Darren (May 13, 2019).
1003:. October 15, 1975. p. 10-B
463:
449:
286:sold its stake in Conesville to
168:Thermal power station
29:
969:Hunt, Spencer (July 11, 2011).
815:Knox, Tom (February 24, 2017).
693:. January 27, 1971. p. D-3
641:. American Electric Power (AEP)
328:Environmental Protection Agency
292:William H. Zimmer Power Station
1414:2020 disestablishments in Ohio
1268:"Protestors Sentenced To Jail"
874:. April 28, 1974. p. 18-A
479:List of power stations in Ohio
35:Conesville Power Plant in 2020
1:
1023:"Governor Blasts Federal EPA"
944:"New unit ready to go online"
439:that overpressured the tank.
324:selective catalytic reduction
322:(FGD) equipment along with a
163:American Electric Power (AEP)
748:. April 30, 1978. p. 2B
722:. April 24, 1977. p. 8C
618:. August 20, 1961. p. 9
398:Environmental Protect Agency
278:(CG&E) (a forerunner of
1409:1957 establishments in Ohio
1300:. July 29, 2004. p. 8C
1282:– via Newspapers.com.
1192:– via Newspapers.com.
1165:– via Newspapers.com.
1037:– via Newspapers.com.
1011:– via Newspapers.com.
958:– via Newspapers.com.
882:– via Newspapers.com.
756:– via Newspapers.com.
730:– via Newspapers.com.
701:– via Newspapers.com.
626:– via Newspapers.com.
545:– via Newspapers.com.
304:electrostatic precipitators
276:Cincinnati Gas and Electric
1435:
1334:– via Newsbank.com.
1308:– via Newsbank.com.
1255:– via Newsbank.com.
1151:"AEP may close six sites"
985:– via Newsbank.com.
663:. DPL Inc. Archived from
537:. July 5, 1955. p. 6
225:
40:
28:
320:flue-gas desulfurization
298:Environmental mitigation
150:AEP Generation Resources
1419:American Electric Power
821:Columbus Business First
590:Columbus Business First
259:American Electric Power
241:was a 2-gigwatt (2,005
199:Nameplate capacity
139:Units 5–6: May 31, 2019
1027:The Circleville Herald
997:"Firm Awards Contract"
400:(EPA) rules regarding
255:Coshocton County, Ohio
239:Conesville Power Plant
141:Unit 4: April 29, 2020
132:Decommission date
24:Conesville Power Plant
1298:The Columbus Dispatch
975:The Columbus Dispatch
193:Power generation
88:40.18611°N 81.87861°W
1229:. December 19, 2021.
371:) emission levels."
113:Commission date
661:"Conesville Unit 4"
410:PJM Interconnection
263:AES Ohio Generation
211:External links
183:Cooling source
154:AES Ohio Generation
93:40.18611; -81.87861
84: /
1325:The Times Reporter
1001:The Times Recorder
691:The Times Reporter
332:Black & Veatch
1272:Coshocton Tribune
1182:Coshocton Tribune
1155:Coshocton Tribune
1129:Coshocton Tribune
948:Coshocton Tribune
872:Coshocton Tribune
746:Coshocton Tribune
720:Coshocton Tribune
616:Coshocton Tribune
592:. October 3, 2005
562:Coshocton Tribune
535:Coshocton Tribune
507:Coshocton Tribune
430:criminal trespass
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251:Conesville, Ohio
249:located east of
247:coal power plant
229:edit on Wikidata
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977:. p. 1A
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137:Unit 3: 2012
127:Unit 6: 1978
125:Unit 5: 1976
123:Unit 4: 1973
121:Unit 3: 1962
119:Unit 2: 1959
117:Unit 1: 1957
18:
1274:. p. 1
457:Ohio portal
284:Duke Energy
280:Duke Energy
160:Operator(s)
91: /
67:Coordinates
1363:Categories
1134:October 5,
852:October 8,
485:References
422:Greenpeace
391:Retirement
381:short tons
375:Operations
261:(AEP) and
79:81°52′43″W
76:40°11′10″N
512:April 30,
426:acid rain
416:Incidents
1330:June 26,
1304:June 26,
1278:June 26,
1251:June 26,
1188:June 20,
1161:June 20,
1105:June 18,
1083:June 25,
1058:June 25,
1033:June 24,
1007:June 24,
981:June 26,
954:June 25,
927:June 24,
901:June 24,
878:June 24,
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800:June 21,
777:June 26,
752:June 26,
726:June 26,
697:June 24,
671:June 21,
645:June 26,
622:June 26,
596:June 20,
567:June 18,
541:June 24,
443:See also
336:scrubber
146:Owner(s)
53:Location
1351:at the
1211:May 31,
402:mercury
308:fly ash
269:History
216:Commons
59:, near
45:Country
288:Dynegy
203:2,005
104:Status
923:. AEP
897:. AEP
771:(PDF)
227:[
1332:2018
1306:2018
1280:2018
1253:2018
1213:2019
1190:2018
1163:2018
1136:2018
1107:2018
1085:2018
1060:2018
1035:2018
1009:2018
983:2018
956:2018
929:2018
903:2018
880:2018
854:2018
828:2018
802:2018
779:2018
754:2018
728:2018
699:2018
673:2018
647:2018
624:2018
598:2018
569:2018
543:2018
514:2020
437:slag
406:lead
177:Coal
253:in
245:),
1365::
1323:.
1296:.
1270:.
1243:.
1180:.
1153:.
1127:.
1115:^
1068:^
1043:^
1025:.
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911:^
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819:.
744:.
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707:^
689:.
614:.
588:.
577:^
560:.
533:.
522:^
505:.
493:^
404:,
364:NO
355:NO
344:SO
243:MW
205:MW
1215:.
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367:x
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353:(
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342:(
231:]
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