# Miami Fort

PJM Petroleum Liquids, Conventional Steam Coal · https://askthegrid.com/assets/facilities/miami-fort

Miami Fort is a coal-fired power facility with 1,180.8 MW of EIA-reported nameplate capacity in Hamilton County, Ohio, registered as EIA Plant ID 2832. The plant's generating configuration is six generating units: coal-fired conventional steam units 7 and 8 using steam turbines, plus petroleum-liquids/distillate-fuel-oil combustion turbines GT3, GT4, GT5, and GT6. Commercial operation began in May 1975.

## Key facts

- Technology: Petroleum Liquids, Conventional Steam Coal
- Power capacity: 1180.8000000000002 MW
- Operating status: operating

## Grid and market context

- ISO/RTO: PJM
- Balancing authority: PJM Interconnection, LLC
- Substation: Miami Fort Substation
- Point of interconnection: Miami Fort Substation
- Transmission owner: Duke Energy
- Interconnection voltage: 345 kV

## Source-backed facts

- Owner logo domain: vistracorp.com — Luminant - Vistra Corp. · confidence: medium
- Description: Miami Fort is an electrical generating station at 11021 Brower Road in North Bend, Hamilton County, Ohio. EIA plant code 2832 has a listed capacity of 1,180.8 MW and includes coal-fired steam units 7 and 8 plus oil-fired combustion turbines GT3 through GT6. The plant is interconnected with PJM in the DEOK zone and its PJM market resources are MIAMI FORT 7, MIAMI FORT 8, and MIAMI FORT GT3 through GT6. — PowerPlantsAllGE100MW · confidence: medium
- Description: Miami Fort is an electrical generating station at 11021 Brower Road in North Bend, Hamilton County, Ohio. EIA plant code 2832 has a listed capacity of 1,180.8 MW and includes coal-fired steam units 7 and 8 plus oil-fired combustion turbines GT3 through GT6. The plant is interconnected with PJM in the DEOK zone and its PJM market resources are MIAMI FORT 7, MIAMI FORT 8, and MIAMI FORT GT3 through GT6. — Source · confidence: medium
- Identifiers.2: {"value":"Luminant Miami Fort","system":"FERC MBR utility name"} — MBR | Index · confidence: high
- Identifiers.4: {"value":"DEOK","system":"PJM zone"} — Source · confidence: high
- Identifiers.7: {"value":"GT5","system":"EIA/FERC generator ID"} — MBR | Index · confidence: high
- Identifiers.8: {"value":"GT6","system":"EIA/FERC generator ID"} — MBR | Index · confidence: high
- Identifiers.9: {"value":"7","system":"EIA/FERC generator ID"} — Index - MBR · confidence: high
- Identifiers.10: {"value":"8","system":"EIA/FERC generator ID"} — Index - MBR · confidence: high
- Identifiers.11: {"value":"MIAMI FORT 7 (510 MW)","system":"PJM market resource"} — Source · confidence: high
- Identifiers.12: {"value":"MIAMI FORT 8 (510 MW)","system":"PJM market resource"} — Source · confidence: high
- Identifiers.13: {"value":"MIAMI FORT GT3 (12.7 MW)","system":"PJM market resource"} — Source · confidence: high
- Identifiers.14: {"value":"MIAMI FORT GT4 (12.3 MW)","system":"PJM market resource"} — Source · confidence: high
- Identifiers.15: {"value":"MIAMI FORT GT5 (13 MW)","system":"PJM market resource"} — Source · confidence: high
- Identifiers.16: {"value":"MIAMI FORT GT6 (14 MW)","system":"PJM market resource"} — Source · confidence: high
- Parties.2: {"relationship":"Generation business and operating brand; FERC utility name is Luminant Miami Fort","name":"Luminant","official_url":"https://vistracorp.com/operations/luminant/"} — Luminant - Vistra Corp. · confidence: medium
- Interconnection: PJM Interconnection, DEOK zone; Miami Fort Substation, with Duke Energy 345-kV transmission facilities connecting toward Tanners Creek Substation. — Miami Fort to Tanners Creek Project - Duke Energy · confidence: medium
- Construction scope: Miami Fort is a thermal generating station comprising two coal-fired conventional-steam units (7 and 8) and four oil-fired combustion turbines (GT3 through GT6). PJM lists market-resource ratings of 510 MW each for Units 7 and 8, and 12.7 MW, 12.3 MW, 13 MW, and 14 MW for GT3 through GT6, respectively; the EIA plant record lists 1,180.8 MW total capacity. — Source · confidence: medium
- Product url: https://www.babcock.com/home/products-services/steam-generators/utility-scale-boilers — Large-Scale Utility Boiler Manufacturer · confidence: medium
- Product url: https://www.babcock.com/home/products-services/steam-generators/utility-scale-boilers — Power plant profile: Miami Fort Steam Turbine Power Plant, US · confidence: medium
- Kind: thermal — Source · confidence: high
- Manufacturer domain: babcock.com — Large-Scale Utility Boiler Manufacturer · confidence: medium
- Equipment models: [{"manufacturer_domain":"babcock.com","product_url":"https://www.babcock.com/home/products-services/steam-generators/utility-scale-boilers","count":null,"unit_mw":null,"name":"Babcock & Wilcox steam boiler"},{"manufacturer_domain":null,"product_url":null,"count":null,"unit_mw":null,"name":"GE Power steam boiler"}] — Large-Scale Utility Boiler Manufacturer · confidence: medium
- Product family: Babcock & Wilcox utility-scale boilers — Large-Scale Utility Boiler Manufacturer · confidence: medium
- Equipment models.0: {"manufacturer_domain":"babcock.com","product_url":"https://www.babcock.com/home/products-services/steam-generators/utility-scale-boilers","count":null,"unit_mw":null,"name":"Babcock & Wilcox steam boiler"} — Large-Scale Utility Boiler Manufacturer · confidence: medium
- Timeline: [{"event":"Unit 7 commercial operation","date":"1975-05","detail":"FERC EIA records list Miami Fort generator 7 with 557.1 MW of nameplate capacity and an operating month/year of May 1975."},{"event":"Unit 8 commercial operation","date":"1978-02","detail":"FERC EIA records list Miami Fort generator 8 with 557.7 MW of nameplate capacity and an operating month/year of February 1978."},{"event":"Duke-Cinergy predecessor transition","date":"2006-04-03","detail":"Historical plant records identify Cincinnati Gas & Electric as a predecessor owner and state that Duke Energy acquired Cinergy on April 3, 2006."},{"event":"Duke-Dynegy acquisition agreement","date":"2014-08-22","detail":"Dynegy agreed to acquire Duke Energy’s ownership interests in a Midwest generation portfolio that included Miami Fort."},{"event":"Duke Midwest portfolio sale completed","date":"2015-04-02","detail":"Duke Energy completed the sale of its non-regulated Midwest Commercial Generation Business to Dynegy for $2.8 billion in cash; the portfolio included ownership interests in Miami Fort."},{"event":"DP&L-Dynegy Miami Fort interest agreement","date":"2017-04-21","detail":"DP&L and AES Ohio Generation entered into an asset purchase agreement with Dynegy Miami Fort LLC for DP&L’s 36% undivided interest in Miami Fort Units 7 and 8, as part of a combined Zimmer and Miami Fort transaction."},{"event":"Dynegy acquired remaining DP&L interest","date":"2017-12-08","detail":"Dynegy closed its $50 million purchase from DPL Inc. of a 36% Miami Fort interest and a 28.1% Zimmer interest, making Dynegy the sole owner of both Ohio coal facilities."},{"event":"Vistra-Dynegy merger completed","date":"2018-04-09","detail":"Vistra Energy completed its merger with Dynegy; Vistra became the name of the combined company."},{"event":"Coal retirement announced","date":"2020-09-29","detail":"Vistra announced plans to retire Miami Fort by year-end 2027 or sooner, identifying the station as a PJM plant."},{"event":"Ohio EPA coal-shutdown order","date":"2021-07-09","detail":"Ohio EPA issued final findings and orders requiring Miami Fort Power Company LLC to permanently shut down all coal-burning activities at Units 7 and 8 no later than January 1, 2028."},{"event":"Gas repowering intent disclosed","date":"2026-05-08","detail":"Vistra stated that it intends to repower Miami Fort as a gas-fueled facility after retirement of the coal-fueled facility."}] — MBR | Index · confidence: medium
- Timeline.0: {"event":"Unit 7 commercial operation","date":"1975-05","detail":"FERC EIA records list Miami Fort generator 7 with 557.1 MW of nameplate capacity and an operating month/year of May 1975."} — MBR | Index · confidence: high
- Timeline.1: {"event":"Unit 8 commercial operation","date":"1978-02","detail":"FERC EIA records list Miami Fort generator 8 with 557.7 MW of nameplate capacity and an operating month/year of February 1978."} — MBR | Index · confidence: high
- Commercial parties.2: {"relationship":"Generation business and operating brand","name":"Luminant","detail":"Luminant is Vistra’s generation business; FERC records list the utility name as Luminant Miami Fort.","official_url":"https://vistracorp.com/operations/luminant/"} — MBR | Index · confidence: high
- Quality notes.2: The available records identify unit commissioning and retirement milestones but do not disclose a separate plant-specific construction loan, expansion cost, or completed repowering date. — MBR | Index · confidence: medium
- Substation: Miami Fort Substation — Miami Fort to Tanners Creek Project - Duke Energy · confidence: high
- Interconnection voltage kv: 345 — Miami Fort to Tanners Creek Project - Duke Energy · confidence: medium
- Replacement or repowering: Vistra plans to continue operating beyond 2027 and convert the coal-fired plant to a modern natural-gas-fueled operation; no definitive conversion completion date was identified. — Odioso Applauds Plan to Extend Operations at Miami Fort Power Plant | Mike Odioso | Ohio House of Representatives · confidence: medium
- Status detail: Operating as of the latest available 2026 profile and PJM capacity-resource records. Units 7 and 8 are the remaining coal steam units, while the plant also has approximately 77 MW of oil-fired generation. The earlier plan to close by year-end 2027 was followed by a December 2025 plan to continue operating beyond 2027 and convert to natural gas; the Ohio EPA order still requires coal-burning activities at Units 7 and 8 to cease no later than January 1, 2028. — Source · confidence: medium
- Status detail: Operating as of the latest available 2026 profile and PJM capacity-resource records. Units 7 and 8 are the remaining coal steam units, while the plant also has approximately 77 MW of oil-fired generation. The earlier plan to close by year-end 2027 was followed by a December 2025 plan to continue operating beyond 2027 and convert to natural gas; the Ohio EPA order still requires coal-burning activities at Units 7 and 8 to cease no later than January 1, 2028. — Odioso Applauds Plan to Extend Operations at Miami Fort Power Plant | Mike Odioso | Ohio House of Representatives · confidence: medium
- Grid role: Reliability-supporting generation for the PJM regional power system. — Odioso Applauds Plan to Extend Operations at Miami Fort Power Plant | Mike Odioso | Ohio House of Representatives · confidence: high
- Operating status: operating — Source · confidence: high
- Operating status: operating — Odioso Applauds Plan to Extend Operations at Miami Fort Power Plant | Mike Odioso | Ohio House of Representatives · confidence: high

## Timeline

- 1975-05 — Unit 7 commercial operation
  FERC EIA records list Miami Fort generator 7 with 557.1 MW of nameplate capacity and an operating month/year of May 1975.
  Source: MBR | Index (https://mbrweb.ferc.gov/SearchlkpEIA/Index?page=679)
- 1978-02 — Unit 8 commercial operation
  FERC EIA records list Miami Fort generator 8 with 557.7 MW of nameplate capacity and an operating month/year of February 1978.
  Source: MBR | Index (https://mbrweb.ferc.gov/SearchlkpEIA/Index?page=679)
- 2014-08-22 — Duke-Dynegy acquisition agreement
  Dynegy agreed to acquire Duke Energy’s ownership interests in a Midwest generation portfolio that included Miami Fort.
  Source: Source (https://www.sec.gov/Archives/edgar/data/1379895/000110465914062614/a14-19556_1ex99d1.htm)
- 2017-04-21 — DP&L-Dynegy Miami Fort interest agreement
  DP&L and AES Ohio Generation entered into an asset purchase agreement with Dynegy Miami Fort LLC for DP&L’s 36% undivided interest in Miami Fort Units 7 and 8, as part of a combined Zimmer and Miami Fort transaction.
  Source: Source (https://www.sec.gov/Archives/edgar/data/27430/000078725017000020/a8-kdynegysale4x21x17v2.htm)
- 2017-12-08 — Dynegy acquired remaining DP&L interest
  Dynegy closed its $50 million purchase from DPL Inc. of a 36% Miami Fort interest and a 28.1% Zimmer interest, making Dynegy the sole owner of both Ohio coal facilities.
  Source: Dynegy Closes on Transaction to Purchase AES Corporation’s Interests in Zimmer and Miami Fort Facilities - Placera.se (https://www.placera.se/placera/pressmeddelanden/2017/12/08/dynegy-inc-dynegy-closes-on-transaction-to-purchase-aes-corporations-interests-in-zimmer-and-miami-fort-facilities.html)
- 2018-04-09 — Vistra-Dynegy merger completed
  Vistra Energy completed its merger with Dynegy; Vistra became the name of the combined company.
  Source: Vistra Energy Completes Merger with Dynegy (https://investor.vistracorp.com/2018-04-09-Vistra-Energy-Completes-Merger-with-Dynegy)

## Sources

- [Luminant - Vistra Corp.](https://vistracorp.com/operations/luminant/) — vistracorp.com · tier other
- [MBR | Index](https://mbrweb.ferc.gov/SearchlkpEIA/Index?page=110) — mbrweb.ferc.gov · tier regulatory
- [Index - MBR](https://mbrweb.ferc.gov/SearchlkpEIA/Index?page=125) — mbrweb.ferc.gov · tier regulatory
- [Index - MBR](https://mbrweb.ferc.gov/SearchlkpEIA/Index?page=133) — mbrweb.ferc.gov · tier regulatory
- [Source](https://www.pjm.com/-/media/DotCom/etools/capacity-exchange/erpm-designated.csv) — pjm.com · tier other
- [AppC_DFFOs for Miami Fort_Zimmer shutdown - final_.pdf](https://dam.assets.ohio.gov/image/upload/epa.ohio.gov/Portals/27/sip/regional/C1_RH2021_DFFO_MFZ_shutdown_Final.pdf) — dam.assets.ohio.gov · tier regulatory
- [PowerPlantsAllGE100MW](https://www.eia.gov/trilateral/content/documents/PowerPlantsAllGE100MW_NorthAmerica_201708.xlsx) — eia.gov · tier regulatory
- [Miami Fort to Tanners Creek Project - Duke Energy](https://www.duke-energy.com/our-company/about-us/electric-transmission-projects/miami-fort-river-crossing) — duke-energy.com · tier other
- [MBR | Index](https://mbrweb.ferc.gov/SearchlkpEIA/Index?page=679) — mbrweb.ferc.gov · tier regulatory
- [Source](https://pjm.com/-/media/DotCom/etools/capacity-exchange/erpm-designated.csv) — pjm.com · tier other
- [Large-Scale Utility Boiler Manufacturer](https://www.babcock.com/home/products-services/steam-generators/utility-scale-boilers) — babcock.com · tier other
- [Power plant profile: Miami Fort Steam Turbine Power Plant, US](https://www.energymonitor.ai/data-insights/power-plant-profile-miami-fort-steam-turbine-power-plant-us/) — energymonitor.ai · tier other
- [Duke Energy to sell non-regulated Midwest generation business to Dynegy | Duke Energy | News Center](https://news.duke-energy.com/releases/duke-energy-to-sell-non-regulated-midwest-generation-business-to-dynegy) — news.duke-energy.com · tier other
- [Vistra Corp. Investor Relations - News Releases](https://investor.vistracorp.com/2018-04-09-Vistra-Energy-Completes-Merger-with-Dynegy) — investor.vistracorp.com · tier other
- [Source](https://www.sec.gov/Archives/edgar/data/1379895/000110465914062614/a14-19556_1ex99d1.htm) — sec.gov · tier regulatory
- [Source](https://www.sec.gov/Archives/edgar/data/27430/000078725017000020/a8-kdynegysale4x21x17v2.htm) — sec.gov · tier regulatory
- [Dynegy Closes on Transaction to Purchase AES Corporation’s Interests in Zimmer and Miami Fort Facilities - Placera.se](https://www.placera.se/placera/pressmeddelanden/2017/12/08/dynegy-inc-dynegy-closes-on-transaction-to-purchase-aes-corporations-interests-in-zimmer-and-miami-fort-facilities.html) — placera.se · tier other
- [Source](https://www.sec.gov/Archives/edgar/data/0001326160/000110465914062613/a14-19458_28k.htm) — sec.gov · tier regulatory
- [Source](https://www.sec.gov/Archives/edgar/data/1379895/000137989518000003/dyn-20171231_10k.htm) — sec.gov · tier regulatory
- [Odioso Applauds Plan to Extend Operations at Miami Fort Power Plant | Mike Odioso | Ohio House of Representatives](https://ohiohouse.gov/members/mike-odioso/news/odioso-applauds-plan-to-extend-operations-at-miami-fort-power-plant-140600) — ohiohouse.gov · tier regulatory
- [Source](https://hub.vistracorp.com/wp-content/uploads/2025/06/VST-in-OH.pdf) — hub.vistracorp.com · tier other

## Data quality

- The disclosed $2.8 billion amount relates to Duke Energy’s broader Midwest generation portfolio and retail business, not a Miami Fort stand-alone sale price. The disclosed $50 million amount covers Dynegy’s combined purchase of interests in Miami Fort and Zimmer, plus assumption of certain liabilities; it is not a Miami Fort-only project-finance amount. The available records identify unit commissioning and retirement milestones but do not disclose a separate plant-specific construction loan, expansion cost, or completed repowering date.

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