# St Joseph Energy Center PJM Natural Gas Fired Combined Cycle · https://askthegrid.com/assets/facilities/st-joseph-energy-center St Joseph Energy Center is a natural gas-fired power facility with 780 MW of EIA-reported nameplate capacity in St Joseph County, Indiana, registered as EIA Plant ID 57794. St Joseph Energy Center LLC is the registered plant entity or operator. EIA operating records identify CT1, CT2, and ST1 under unit code CC01. ## Key facts - Technology: Natural Gas Fired Combined Cycle - Power capacity: 780 MW - Operating status: operating ## Grid and market context - ISO/RTO: PJM - Balancing authority: PJM Interconnection, LLC ## Source-backed facts - Official project url: https://hoosierenergy.com/our-cooperative/energy-strategy/generation-facilities/ — Our Generation Facilities | Hoosier Energy | Our Community · confidence: high - Description: St Joseph Energy Center is a natural-gas-fired combined-cycle generating plant in New Carlisle, Indiana, in St. Joseph County. The facility began commercial operation in 2018 and supplies power into the PJM market. EIA records identify three operating generators—CT1, CT2, and ST1—under unit code CC01, with the plant recorded as EIA plant 57794. — Wabash Valley Power Alliance, Hoosier Energy finalize purchase of St. Joseph Energy Center - Hoosier Energy · confidence: high - Parties: [{"relationship":"Current 50% owner and shared operator/O&M partner","name":"Wabash Valley Power Alliance","official_url":"https://www.wvpa.com/"},{"relationship":"Current 50% owner and shared operator/O&M partner","name":"Hoosier Energy","official_url":"https://hoosierenergy.com/"},{"relationship":"Plant operating entity and registered EIA utility","name":"St Joseph Energy Center LLC","official_url":null},{"relationship":"EPC contractor","name":"Kiewit Power Constructors","official_url":"https://www.kiewit.com/"},{"relationship":"Gas-turbine, steam-turbine, and generator OEM","name":"Siemens","official_url":"https://www.siemens-energy.com/"},{"relationship":"Heat-recovery steam-generator supplier","name":"Nooter-Eriksen","official_url":"https://www.nooter-eriksen.com/"},{"relationship":"Former owner through Ares EIF Group","name":"Ares Management","official_url":"https://www.aresmgmt.com/"},{"relationship":"Former owner","name":"KPIC USA","official_url":"https://www.kpic.com/"},{"relationship":"Former owner","name":"Toyota Tsusho Corporation","official_url":"https://www.toyota-tsusho.com/"}] — Wabash Valley Power Alliance, Hoosier Energy finalize purchase of St. Joseph Energy Center - Hoosier Energy · confidence: medium - Parties: [{"relationship":"Current 50% owner and shared operator/O&M partner","name":"Wabash Valley Power Alliance","official_url":"https://www.wvpa.com/"},{"relationship":"Current 50% owner and shared operator/O&M partner","name":"Hoosier Energy","official_url":"https://hoosierenergy.com/"},{"relationship":"Plant operating entity and registered EIA utility","name":"St Joseph Energy Center LLC","official_url":null},{"relationship":"EPC contractor","name":"Kiewit Power Constructors","official_url":"https://www.kiewit.com/"},{"relationship":"Gas-turbine, steam-turbine, and generator OEM","name":"Siemens","official_url":"https://www.siemens-energy.com/"},{"relationship":"Heat-recovery steam-generator supplier","name":"Nooter-Eriksen","official_url":"https://www.nooter-eriksen.com/"},{"relationship":"Former owner through Ares EIF Group","name":"Ares Management","official_url":"https://www.aresmgmt.com/"},{"relationship":"Former owner","name":"KPIC USA","official_url":"https://www.kpic.com/"},{"relationship":"Former owner","name":"Toyota Tsusho Corporation","official_url":"https://www.toyota-tsusho.com/"}] — St. Joseph Energy Center - Kiewit Corporation · confidence: medium - Identifiers.8: {"value":"EL18-144-000","system":"FERC docket"} — Federal Register :: St. Joseph Energy Center, LLC; Notice of Institution of Section 206 Proceeding and Refund Effective Date · confidence: high - Identifiers.9: {"value":"EL25-9-000","system":"FERC docket"} — Federal Register :: St. Joseph Energy Center, LLC; Notice of Institution of Section 206 Proceeding and Refund Effective Date · confidence: high - Parties.0: {"relationship":"Current 50% owner and shared operator/O&M partner","name":"Wabash Valley Power Alliance","official_url":"https://www.wvpa.com/"} — Wabash Valley Power Alliance, Hoosier Energy finalize purchase of St. Joseph Energy Center - Hoosier Energy · confidence: high - Parties.1: {"relationship":"Current 50% owner and shared operator/O&M partner","name":"Hoosier Energy","official_url":"https://hoosierenergy.com/"} — Wabash Valley Power Alliance, Hoosier Energy finalize purchase of St. Joseph Energy Center - Hoosier Energy · confidence: high - Parties.3: {"relationship":"EPC contractor","name":"Kiewit Power Constructors","official_url":"https://www.kiewit.com/"} — St. Joseph Energy Center - Kiewit Corporation · confidence: high - Parties.4: {"relationship":"Gas-turbine, steam-turbine, and generator OEM","name":"Siemens","official_url":"https://www.siemens-energy.com/"} — St. Joseph Energy Center - Kiewit Corporation · confidence: high - Parties.5: {"relationship":"Heat-recovery steam-generator supplier","name":"Nooter-Eriksen","official_url":"https://www.nooter-eriksen.com/"} — St. Joseph Energy Center - Kiewit Corporation · confidence: high - Parties.6: {"relationship":"Former owner through Ares EIF Group","name":"Ares Management","official_url":"https://www.aresmgmt.com/"} — St Joseph Energy Center, USA - Power Technology · confidence: medium - Parties.7: {"relationship":"Former owner","name":"KPIC USA","official_url":"https://www.kpic.com/"} — St Joseph Energy Center, USA - Power Technology · confidence: medium - Parties.8: {"relationship":"Former owner","name":"Toyota Tsusho Corporation","official_url":"https://www.toyota-tsusho.com/"} — St Joseph Energy Center, USA - Power Technology · confidence: medium - Power mw: 780 — MBR | Index · confidence: medium - Product url: https://www.siemens-energy.com/global/en/home/products-services/product/sgt6-5000f.html — SGT6-5000F Heavy-duty gas turbine (60 Hz) · confidence: high - Significance: Kiewit describes St. Joseph Energy Center as a 700-MW natural-gas-fired 2×1 combined-cycle plant that interconnects with the PJM energy market and serves more than 400,000 households. — St. Joseph Energy Center - Kiewit Corporation · confidence: medium - Description: St. Joseph Energy Center is a natural-gas-fired combined-cycle facility in New Carlisle, Indiana, using two Siemens combustion turbines, two heat-recovery steam generators, and one Siemens steam-turbine generator. Wabash Valley Power Alliance and Hoosier Energy each own 50% and share operation and maintenance responsibilities. Construction began in 2015 and commercial operation began on April 1, 2018. The March 2025 acquisition replaced predecessor ownership associated with Ares EIF Group, KPIC USA, and Toyota Tsusho; an adjacent Phase II site remains undeveloped and on hold. — St. Joseph Energy Center - Kiewit Corporation · confidence: medium - Description: St. Joseph Energy Center is a natural-gas-fired combined-cycle facility in New Carlisle, Indiana, using two Siemens combustion turbines, two heat-recovery steam generators, and one Siemens steam-turbine generator. Wabash Valley Power Alliance and Hoosier Energy each own 50% and share operation and maintenance responsibilities. Construction began in 2015 and commercial operation began on April 1, 2018. The March 2025 acquisition replaced predecessor ownership associated with Ares EIF Group, KPIC USA, and Toyota Tsusho; an adjacent Phase II site remains undeveloped and on hold. — Wabash Valley Power Alliance, Hoosier Energy finalize purchase of St. Joseph Energy Center - Hoosier Energy · confidence: medium - Description: St. Joseph Energy Center is a natural-gas-fired combined-cycle facility in New Carlisle, Indiana, using two Siemens combustion turbines, two heat-recovery steam generators, and one Siemens steam-turbine generator. Wabash Valley Power Alliance and Hoosier Energy each own 50% and share operation and maintenance responsibilities. Construction began in 2015 and commercial operation began on April 1, 2018. The March 2025 acquisition replaced predecessor ownership associated with Ares EIF Group, KPIC USA, and Toyota Tsusho; an adjacent Phase II site remains undeveloped and on hold. — St Joseph Energy Center, USA - Power Technology · confidence: medium - Quality notes: ["Published sources report different capacity bases for the same Phase I facility: Kiewit states 700 MW, the owner acquisition release states 720 MW, and an Indiana regulatory order refers to 741 MW nominal capacity and 715 MW of PJM capacity-injection rights.","The March 2025 Membership Purchase Agreement and its purchase-price attachment were filed confidentially; a public transaction consideration amount was not identified.","No retirement or repowering milestone was identified. Phase II is an adjacent undeveloped site, and the regulatory record states that the buyers were not seeking authority to develop it at that time."] — St. Joseph Energy Center - Kiewit Corporation · confidence: medium - Quality notes: ["Published sources report different capacity bases for the same Phase I facility: Kiewit states 700 MW, the owner acquisition release states 720 MW, and an Indiana regulatory order refers to 741 MW nominal capacity and 715 MW of PJM capacity-injection rights.","The March 2025 Membership Purchase Agreement and its purchase-price attachment were filed confidentially; a public transaction consideration amount was not identified.","No retirement or repowering milestone was identified. Phase II is an adjacent undeveloped site, and the regulatory record states that the buyers were not seeking authority to develop it at that time."] — St Joseph Energy Center, USA · confidence: medium - Quality notes: ["Published sources report different capacity bases for the same Phase I facility: Kiewit states 700 MW, the owner acquisition release states 720 MW, and an Indiana regulatory order refers to 741 MW nominal capacity and 715 MW of PJM capacity-injection rights.","The March 2025 Membership Purchase Agreement and its purchase-price attachment were filed confidentially; a public transaction consideration amount was not identified.","No retirement or repowering milestone was identified. Phase II is an adjacent undeveloped site, and the regulatory record states that the buyers were not seeking authority to develop it at that time."] — Source · confidence: medium - Commercial parties.0: {"relationship":"Current 50% owner and shared operator/O&M partner","name":"Wabash Valley Power Alliance","detail":"Acquired a 50% interest jointly with Hoosier Energy and obtained regulatory authority to finance its share with long-term indebtedness.","official_url":"https://www.wvpa.com/"} — Wabash Valley Power Alliance, Hoosier Energy finalize purchase of St. Joseph Energy Center - Hoosier Energy · confidence: medium - Commercial parties.1: {"relationship":"Current 50% owner and shared operator/O&M partner","name":"Hoosier Energy","detail":"Acquired the other 50% interest jointly with Wabash Valley Power Alliance.","official_url":"https://hoosierenergy.com/"} — Wabash Valley Power Alliance, Hoosier Energy finalize purchase of St. Joseph Energy Center - Hoosier Energy · confidence: high - Commercial parties.5: {"relationship":"Predecessor owner through Ares EIF Group","name":"Ares Management","detail":"Ares Management's Ares EIF Group subsidiary was reported as holding 50.9% of the plant before the March 2025 acquisition.","official_url":"https://www.aresmgmt.com/"} — St Joseph Energy Center, USA - Power Technology · confidence: medium - Commercial parties.6: {"relationship":"Predecessor owner","name":"KPIC USA","detail":"Reported as holding a 20% interest before the March 2025 acquisition.","official_url":"https://www.kpic.com/"} — St Joseph Energy Center, USA - Power Technology · confidence: medium - Commercial parties.7: {"relationship":"Predecessor owner and original equity investor","name":"Toyota Tsusho Corporation","detail":"Reported as holding 29.1% before the March 2025 acquisition and contributing 20% of the original project equity.","official_url":"https://www.toyota-tsusho.com/"} — St Joseph Energy Center, USA - Power Technology · confidence: medium - Commercial parties.8: {"relationship":"EPC contractor","name":"Kiewit Power Constructors","detail":"Engineered, procured, and constructed the plant under an EPC contract awarded in August 2015.","official_url":"https://www.kiewit.com/"} — St. Joseph Energy Center - Kiewit Corporation · confidence: high - Commercial parties.8: {"relationship":"EPC contractor","name":"Kiewit Power Constructors","detail":"Engineered, procured, and constructed the plant under an EPC contract awarded in August 2015.","official_url":"https://www.kiewit.com/"} — St Joseph Energy Center, USA · confidence: high - Commercial parties.9: {"relationship":"Major equipment OEM and original project financier","name":"Siemens","detail":"Supplied the SGT6-5000F combustion turbines, SST6-5000 steam turbine, and generators; Siemens Financial Services also provided a reported $50 million project commitment.","official_url":"https://www.siemens-energy.com/"} — St. Joseph Energy Center - Kiewit Corporation · confidence: medium - Commercial parties.9: {"relationship":"Major equipment OEM and original project financier","name":"Siemens","detail":"Supplied the SGT6-5000F combustion turbines, SST6-5000 steam turbine, and generators; Siemens Financial Services also provided a reported $50 million project commitment.","official_url":"https://www.siemens-energy.com/"} — St Joseph Energy Center, USA - Power Technology · confidence: medium - Commercial parties.10: {"relationship":"Heat-recovery steam-generator supplier","name":"Nooter-Eriksen","detail":"Supplied the plant's heat-recovery steam generators.","official_url":"https://www.nooter-eriksen.com/"} — St. Joseph Energy Center - Kiewit Corporation · confidence: high - Commercial parties.11: {"relationship":"Original project debt arranger","name":"BNP Paribas","detail":"Arranged non-recourse debt financing for the original project.","official_url":"https://group.bnpparibas/en"} — St Joseph Energy Center, USA - Power Technology · confidence: medium - Commercial parties.12: {"relationship":"Original project debt arranger","name":"Crédit Agricole","detail":"Arranged non-recourse debt financing for the original project.","official_url":"https://www.ca-cib.com/"} — St Joseph Energy Center, USA - Power Technology · confidence: medium - Acquisition date: 2025-03-13 — Wabash Valley Power Alliance, Hoosier Energy finalize purchase of St. Joseph Energy Center - Hoosier Energy · confidence: high - Ownership interest pct: 50 — Wabash Valley Power Alliance, Hoosier Energy finalize purchase of St. Joseph Energy Center - Hoosier Energy · confidence: high - Transaction scope: ownership_stake — Wabash Valley Power Alliance, Hoosier Energy finalize purchase of St. Joseph Energy Center - Hoosier Energy · confidence: medium - Status date: 2026-07-19 — Our Generation Facilities | Hoosier Energy | Our Community · confidence: medium - Grid role: Flexible combined-cycle generation that provides reliable capacity, reactive power, voltage control, and black-start support. — Source · confidence: high - Operating status: operating — Our Generation Facilities | Hoosier Energy | Our Community · confidence: medium ## Sources - [Wabash Valley Power Alliance, Hoosier Energy finalize purchase of St. Joseph Energy Center - Hoosier Energy](https://www.hoosierenergy.com/news-resources/wabash-valley-power-alliance-hoosier-energy-finalize-purchase-of-st-joseph-energy-center/) — hoosierenergy.com · tier other - [Homepage | Hoosier Energy | Serving Indiana & Illinois](https://hoosierenergy.com/) — hoosierenergy.com · tier other - [Federal Register :: St. Joseph Energy Center, LLC; Notice of Institution of Section 206 Proceeding and Refund Effective Date](https://www.federalregister.gov/documents/2018/05/29/2018-11383/st-joseph-energy-center-llc-notice-of-institution-of-section-206-proceeding-and-refund-effective) — federalregister.gov · tier regulatory - [Federal Register :: St. Joseph Energy Center, LLC; Notice of Institution of Section 206 Proceeding and Refund Effective Date](https://www.federalregister.gov/documents/2024/11/08/2024-25994/st-joseph-energy-center-llc-notice-of-institution-of-section-206-proceeding-and-refund-effective) — federalregister.gov · tier regulatory - [Our Generation Facilities | Hoosier Energy | Our Community](https://hoosierenergy.com/our-cooperative/energy-strategy/generation-facilities/) — hoosierenergy.com · tier other - [St. Joseph Energy Center - Kiewit Corporation](https://www.kiewit.com/projects/st-joseph-energy-center/) — kiewit.com · tier other - [St Joseph Energy Center, USA - Power Technology](https://www.power-technology.com/projects/st-joseph-energy-center-new-carlisle-indiana/) — power-technology.com · tier other - [Our Generation Facilities | Hoosier Energy | Our Community](https://hoosierenergy.com/our-cooperative/energy-strategy/generation-facilities) — hoosierenergy.com · tier other - [MBR | Index](https://mbrweb.ferc.gov/SearchlkpEIA/Index?page=424) — mbrweb.ferc.gov · tier regulatory - [Source](https://www.in.gov/iurc/files/ord_46092_021225.pdf) — in.gov · tier regulatory - [SGT6-5000F Heavy-duty gas turbine (60 Hz)](https://www.siemens-energy.com/global/en/home/products-services/product/sgt6-5000f.html) — siemens-energy.com · tier other - [Heat Recovery Steam Generators - HRSGs - Nooter Eriksen](https://cicgroup.com/nooter-eriksen/heat-recovery-steam-generators-hrsgs/) — cicgroup.com · tier other - [Utility steam turbines](https://www.siemens-energy.com/global/en/home/products-services/product/utility-steam-turbines.html) — siemens-energy.com · tier other - [St. Joseph Energy Center - Kiewit Corporation](https://www.kiewit.com/projects/st-joseph-energy-center) — kiewit.com · tier other - [Wabash Valley Power Alliance, Hoosier Energy finalize purchase of St. Joseph Energy Center - Hoosier Energy](https://hoosierenergy.com/news-resources/wabash-valley-power-alliance-hoosier-energy-finalize-purchase-of-st-joseph-energy-center/) — hoosierenergy.com · tier other - [Wabash Valley Power Alliance, Hoosier Energy finalize purchase of St. Joseph Energy Center - Hoosier Energy](https://hoosierenergy.com/news-resources/wabash-valley-power-alliance-hoosier-energy-finalize-purchase-of-st-joseph-energy-center) — hoosierenergy.com · tier other - [St Joseph Energy Center, USA - Power Technology](https://power-technology.com/projects/st-joseph-energy-center-new-carlisle-indiana) — power-technology.com · tier other ## Data quality - Published sources report different capacity bases for the same Phase I facility: Kiewit states 700 MW, the owner acquisition release states 720 MW, and an Indiana regulatory order refers to 741 MW nominal capacity and 715 MW of PJM capacity-injection rights. No retirement or repowering milestone was identified. Phase II is an adjacent undeveloped site, and the regulatory record states that the buyers were not seeking authority to develop it at that time. --- Canonical page: https://askthegrid.com/assets/facilities/st-joseph-energy-center Source: Ask the Grid — https://askthegrid.com/