# Potomac Energy Center, LLC

PJM Natural Gas Fired Combined Cycle · https://askthegrid.com/assets/facilities/potomac-energy-center-llc

Potomac Energy Center, LLC is a natural gas-fired power facility with 812 MW of EIA-reported nameplate capacity in Loudoun County, Virginia, registered as EIA Plant ID 59004. The plant's generating configuration is natural-gas-fired combined-cycle plant with 3 operating generators and two Siemens SGT6-5000F combustion turbines. Blackstone Energy Transition Partners acquired the project from Ares Management in 2025.
PJM Dominion Zone (PJM-DOM) · 230 kV · Virginia Electric & Power Co.

## Key facts

- Technology: Natural Gas Fired Combined Cycle
- Power capacity: 812 MW
- Operating status: operating

## Grid and market context

- ISO/RTO: PJM
- Balancing authority: PJM Interconnection, LLC (PJM)

## Source-backed facts

- Description: Potomac Energy Center, LLC is an operating natural-gas-fired combined-cycle plant at 20077 Gant Lane, Leesburg, in Loudoun County, Virginia. EIA-based records identify three operating generators, GEN1, GEN2, and GEN3, with 812 MW of total nameplate capacity; the first unit entered operation in April 2017. The plant participates in PJM and supplies the Dominion zone, with generator-level PJM node identifiers 1338431559, 1338431560, and 1338431561. — Potomac Energy Center - Blackstone | Transaction Details · confidence: medium
- Parties: [{"relationship":"Current owner / project owner","name":"Blackstone Energy Transition Partners IV L.P.","official_url":"https://www.blackstone.com/"},{"relationship":"Operator / EIA-registered utility","name":"Potomac Energy Center LLC","official_url":null},{"relationship":"Original developer","name":"Green Energy Partners / Stonewall","official_url":"https://water2.energy/about/"},{"relationship":"Original project sponsor / majority owner","name":"Panda Power Funds","official_url":null},{"relationship":"EPC contractor and development partner","name":"Bechtel","official_url":"https://www.bechtel.com/projects/panda-stonewall-energy-center/"},{"relationship":"EPC consortium partner and power-island OEM","name":"Siemens Energy Inc.","official_url":"https://www.siemens-energy.com/"},{"relationship":"Sell-side financial advisor","name":"Houlihan Lokey","official_url":"https://hl.com/about-us/transactions/potomac-energy-center-blackstone/"}] — Stonewall Power Project, Loudoun County, Virginia, US · confidence: medium
- Identifiers.6: {"value":"Dominion (DOM)","system":"PJM Zone"} — Potomac Energy Center - Blackstone | Transaction Details · confidence: medium
- Parties.2: {"relationship":"Original developer","name":"Green Energy Partners / Stonewall","official_url":"https://water2.energy/about/"} — Stonewall Power Project, Loudoun County, Virginia, US · confidence: medium
- Parties.3: {"relationship":"Original project sponsor / majority owner","name":"Panda Power Funds","official_url":null} — Stonewall Power Project, Loudoun County, Virginia, US · confidence: medium
- Parties.4: {"relationship":"EPC contractor and development partner","name":"Bechtel","official_url":"https://www.bechtel.com/projects/panda-stonewall-energy-center/"} — Stonewall Power Project, Loudoun County, Virginia, US · confidence: medium
- Parties.5: {"relationship":"EPC consortium partner and power-island OEM","name":"Siemens Energy Inc.","official_url":"https://www.siemens-energy.com/"} — Stonewall Power Project, Loudoun County, Virginia, US · confidence: medium
- Construction scope: Potomac Energy Center is the former Panda Stonewall Energy Facility, a natural-gas-fired combined-cycle plant. Bechtel, in consortium with Siemens Energy, provided project management, engineering, procurement, construction, startup and commissioning. The installed power-island scope comprises two SGT6-5000F gas turbines, one SST6-5000 steam turbine with one SCon-4000 condenser, two SGen6-1000A generators, one SGen6-2000H generator, two NEM duct-fired heat-recovery steam generators, the complete electrical system, and SPPA-T3000 instrumentation and control. — Blackstone to Acquire 774-MW Virginia Gas Plant in 'Data... · confidence: medium
- Construction scope: Potomac Energy Center is the former Panda Stonewall Energy Facility, a natural-gas-fired combined-cycle plant. Bechtel, in consortium with Siemens Energy, provided project management, engineering, procurement, construction, startup and commissioning. The installed power-island scope comprises two SGT6-5000F gas turbines, one SST6-5000 steam turbine with one SCon-4000 condenser, two SGen6-1000A generators, one SGen6-2000H generator, two NEM duct-fired heat-recovery steam generators, the complete electrical system, and SPPA-T3000 instrumentation and control. — Siemens, Bechtel lands contract for Stonewall Energy Project in Virginia · confidence: medium
- Construction scope: Potomac Energy Center is the former Panda Stonewall Energy Facility, a natural-gas-fired combined-cycle plant. Bechtel, in consortium with Siemens Energy, provided project management, engineering, procurement, construction, startup and commissioning. The installed power-island scope comprises two SGT6-5000F gas turbines, one SST6-5000 steam turbine with one SCon-4000 condenser, two SGen6-1000A generators, one SGen6-2000H generator, two NEM duct-fired heat-recovery steam generators, the complete electrical system, and SPPA-T3000 instrumentation and control. — Bechtel Completes Stonewall Energy Facility Ahead of Schedule · confidence: medium
- Construction scope: Potomac Energy Center is the former Panda Stonewall Energy Facility, a natural-gas-fired combined-cycle plant. Bechtel, in consortium with Siemens Energy, provided project management, engineering, procurement, construction, startup and commissioning. The installed power-island scope comprises two SGT6-5000F gas turbines, one SST6-5000 steam turbine with one SCon-4000 condenser, two SGen6-1000A generators, one SGen6-2000H generator, two NEM duct-fired heat-recovery steam generators, the complete electrical system, and SPPA-T3000 instrumentation and control. — Panda Stonewall Energy Center - Bechtel · 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: medium
- Product url: https://www.siemens-energy.com/global/en/home/products-services/product/sgt6-5000f.html — Panda Stonewall Energy Center - Bechtel · confidence: medium
- Manufacturer domain: siemens-energy.com — Siemens, Bechtel lands contract for Stonewall Energy Project in Virginia · confidence: medium
- Equipment models: [{"manufacturer_domain":"siemens-energy.com","product_url":"https://www.siemens-energy.com/global/en/home/products-services/product/sgt6-5000f.html","count":2,"unit_mw":null,"name":"SGT6-5000F gas turbine"},{"manufacturer_domain":"siemens-energy.com","product_url":"https://www.siemens-energy.com/global/en/home/products-services/product/utility-steam-turbines.html","count":1,"unit_mw":null,"name":"SST6-5000 steam turbine"},{"manufacturer_domain":"siemens-energy.com","product_url":"https://www.siemens-energy.com/global/en/home/products-services/product/seafloat.html","count":1,"unit_mw":null,"name":"SCon-4000 condenser"},{"manufacturer_domain":"siemens-energy.com","product_url":"https://www.siemens-energy.com/global/en/home/products-services/product/sgen-100a.html","count":2,"unit_mw":null,"name":"SGen6-1000A generator"},{"manufacturer_domain":"siemens-energy.com","product_url":"https://www.siemens-energy.com/global/en/home/products-services/product-offerings/generators.html","count":1,"unit_mw":null,"name":"SGen6-2000H generator"},{"manufacturer_domain":"nem-energy.com","product_url":"https://nem-energy.com/products/heat-recovery-steam-generators-and-waste-heat-recovery-units/","count":2,"unit_mw":null,"name":"NEM duct-fired heat-recovery steam generator"},{"manufacturer_domain":"siemens-energy.com","product_url":null,"count":null,"unit_mw":null,"name":"SPPA-T3000 instrumentation and control system"}] — Siemens, Bechtel lands contract for Stonewall Energy Project in Virginia · confidence: medium
- Product family: Siemens SGT6-5000F combined-cycle power-island package — Siemens, Bechtel lands contract for Stonewall Energy Project in Virginia · confidence: medium
- Manufacturer name: Siemens Energy Inc. — Siemens, Bechtel lands contract for Stonewall Energy Project in Virginia · confidence: medium
- Equipment models.0: {"manufacturer_domain":"siemens-energy.com","product_url":"https://www.siemens-energy.com/global/en/home/products-services/product/sgt6-5000f.html","count":2,"unit_mw":null,"name":"SGT6-5000F gas turbine"} — Siemens, Bechtel lands contract for Stonewall Energy Project in Virginia · confidence: medium
- Equipment models.1: {"manufacturer_domain":"siemens-energy.com","product_url":"https://www.siemens-energy.com/global/en/home/products-services/product/utility-steam-turbines.html","count":1,"unit_mw":null,"name":"SST6-5000 steam turbine"} — Siemens, Bechtel lands contract for Stonewall Energy Project in Virginia · confidence: medium
- Equipment models.2: {"manufacturer_domain":"siemens-energy.com","product_url":"https://www.siemens-energy.com/global/en/home/products-services/product/seafloat.html","count":1,"unit_mw":null,"name":"SCon-4000 condenser"} — Siemens, Bechtel lands contract for Stonewall Energy Project in Virginia · confidence: medium
- Equipment models.2: {"manufacturer_domain":"siemens-energy.com","product_url":"https://www.siemens-energy.com/global/en/home/products-services/product/seafloat.html","count":1,"unit_mw":null,"name":"SCon-4000 condenser"} — SeaFloat power plants · confidence: medium
- Equipment models.3: {"manufacturer_domain":"siemens-energy.com","product_url":"https://www.siemens-energy.com/global/en/home/products-services/product/sgen-100a.html","count":2,"unit_mw":null,"name":"SGen6-1000A generator"} — Siemens, Bechtel lands contract for Stonewall Energy Project in Virginia · confidence: medium
- Equipment models.4: {"manufacturer_domain":"siemens-energy.com","product_url":"https://www.siemens-energy.com/global/en/home/products-services/product-offerings/generators.html","count":1,"unit_mw":null,"name":"SGen6-2000H generator"} — Siemens, Bechtel lands contract for Stonewall Energy Project in Virginia · confidence: medium
- Equipment models.5: {"manufacturer_domain":"nem-energy.com","product_url":"https://nem-energy.com/products/heat-recovery-steam-generators-and-waste-heat-recovery-units/","count":2,"unit_mw":null,"name":"NEM duct-fired heat-recovery steam generator"} — Siemens, Bechtel lands contract for Stonewall Energy Project in Virginia · confidence: medium
- Equipment models.6: {"manufacturer_domain":"siemens-energy.com","product_url":null,"count":null,"unit_mw":null,"name":"SPPA-T3000 instrumentation and control system"} — Siemens, Bechtel lands contract for Stonewall Energy Project in Virginia · confidence: medium
- Description: Potomac Energy Center, LLC is an operating natural-gas-fired combined-cycle plant in Leesburg, Loudoun County, Virginia, with three EIA-listed generators and 812 MW of aggregate nameplate capacity. Blackstone Energy Transition Partners IV L.P. is the current project owner, while Potomac Energy Center LLC is the operating utility entity. Formerly known as the Panda Stonewall Project, the facility was originally developed by Green Energy Partners / Stonewall and built by Bechtel in consortium with Siemens. Blackstone agreed to acquire the plant from Ares Management in January 2025, and the sale closed on August 5, 2025. — Potomac Energy Center - Blackstone | Transaction Details · confidence: medium
- Description: Potomac Energy Center, LLC is an operating natural-gas-fired combined-cycle plant in Leesburg, Loudoun County, Virginia, with three EIA-listed generators and 812 MW of aggregate nameplate capacity. Blackstone Energy Transition Partners IV L.P. is the current project owner, while Potomac Energy Center LLC is the operating utility entity. Formerly known as the Panda Stonewall Project, the facility was originally developed by Green Energy Partners / Stonewall and built by Bechtel in consortium with Siemens. Blackstone agreed to acquire the plant from Ares Management in January 2025, and the sale closed on August 5, 2025. — Stonewall Power Project, Loudoun County, Virginia, US · confidence: medium
- Description: Potomac Energy Center, LLC is an operating natural-gas-fired combined-cycle plant in Leesburg, Loudoun County, Virginia, with three EIA-listed generators and 812 MW of aggregate nameplate capacity. Blackstone Energy Transition Partners IV L.P. is the current project owner, while Potomac Energy Center LLC is the operating utility entity. Formerly known as the Panda Stonewall Project, the facility was originally developed by Green Energy Partners / Stonewall and built by Bechtel in consortium with Siemens. Blackstone agreed to acquire the plant from Ares Management in January 2025, and the sale closed on August 5, 2025. — Latham Watkins Advises Ares Management in Its Sale of Potomac Energy Center to Blackstone · confidence: medium
- Quality notes: ["Capacity is reported on different bases: EIA-based records list 812 MW of aggregate nameplate capacity, while transaction, rating, and project materials commonly describe the facility as 774 MW.","The EIA/S&P operating history identifies first operation or commercial operations in April 2017, while project and industry commissioning materials report commercial operation or commissioning in May 2017.","Blackstone and Kirkland stated that the 2025 transaction terms were not disclosed; approximately $1 billion is a reported transaction value, not a disclosed contractual consideration. The $490 million 2021 refinancing and the 2026 debt add-on are project financings, not sale prices.","The operating and rating history describes the facility as operating and does not establish a separate expansion, repowering, or retirement milestone."] — Potomac Energy Center - Blackstone | Transaction Details · confidence: medium
- Timeline.0: {"event":"Majority-stake acquisition by Panda Power Funds","date":"2013-05","detail":"Panda Power Funds acquired a majority stake in the Stonewall project while it was still in the planning stage."} — Stonewall Power Project, Loudoun County, Virginia · confidence: high
- Timeline.1: {"event":"Construction site work began","date":"2014-07","detail":"Panda began site work at the Stonewall facility in mid-July 2014."} — Bechtel, Panda Power, Siemens fire up 778 MW Stonewall power plant · confidence: high
- Timeline.2: {"event":"Construction financing and full notice to proceed","date":"2014-11","detail":"Panda secured $571 million of project debt financing, and issued the full notice to proceed for construction in November 2014."} — Bechtel, Panda Power, Siemens fire up 778 MW Stonewall power plant · confidence: high
- Timeline.2: {"event":"Construction financing and full notice to proceed","date":"2014-11","detail":"Panda secured $571 million of project debt financing, and issued the full notice to proceed for construction in November 2014."} — Stonewall Power Project, Loudoun County, Virginia, US · confidence: high
- Timeline.3: {"event":"Additional credit facility","date":"2015","detail":"Ares Management provided Panda with an additional $100 million credit facility during the project-development period."} — Source · confidence: medium
- Timeline.4: {"event":"First operation and commercial commissioning","date":"2017-04","detail":"EIA-based operating records and S&P identify first operation or commercial operations in April 2017; project materials report commercial operation or commissioning in May 2017."} — Stonewall Power Project, Loudoun County, Virginia, US · confidence: medium
- Timeline.8: {"event":"Sale to Blackstone closed","date":"2025-08-05","detail":"Houlihan Lokey reported that Blackstone Energy Transition Partners acquired 100% of Potomac Energy Center and that the transaction closed on August 5, 2025."} — Potomac Energy Center - Blackstone | Transaction Details · confidence: high
- Commercial parties.0: {"relationship":"Current owner / project owner","name":"Blackstone Energy Transition Partners IV L.P.","detail":"Acquired 100% of Potomac Energy Center from Ares Management in a transaction that closed August 5, 2025.","official_url":"https://www.blackstone.com/"} — Potomac Energy Center - Blackstone | Transaction Details · confidence: medium
- Commercial parties.2: {"relationship":"Former owner and 2025 seller","name":"Ares Management Corporation","detail":"Owned the plant after acquiring it from Panda and Siemens Financial Group in 2021 and sold it to Blackstone in 2025.","official_url":"https://www.ares.com/"} — Latham Watkins Advises Ares Management in Its Sale of Potomac Energy Center to Blackstone · confidence: high
- Commercial parties.2: {"relationship":"Former owner and 2025 seller","name":"Ares Management Corporation","detail":"Owned the plant after acquiring it from Panda and Siemens Financial Group in 2021 and sold it to Blackstone in 2025.","official_url":"https://www.ares.com/"} — Source · confidence: high
- Commercial parties.3: {"relationship":"Original project sponsor and majority owner","name":"Panda Power Funds","detail":"Acquired a majority stake in the Stonewall project in May 2013 and developed the facility through construction and initial operation.","official_url":"https://pandafunds.com/"} — Stonewall Power Project, Loudoun County, Virginia, US · confidence: high
- Commercial parties.4: {"relationship":"Original developer","name":"Green Energy Partners / Stonewall","detail":"Original developer of the project that became the Panda Stonewall Project and later Potomac Energy Center.","official_url":"https://water2.energy/about/"} — Stonewall Power Project, Loudoun County, Virginia, US · confidence: medium
- Commercial parties.5: {"relationship":"EPC contractor and development partner","name":"Bechtel","detail":"Provided development support and delivered project management, engineering, procurement, construction, startup, and commissioning services.","official_url":"https://www.bechtel.com/"} — Panda Stonewall Energy Center - Bechtel · confidence: high
- Commercial parties.6: {"relationship":"EPC consortium partner and power-island OEM","name":"Siemens Energy Inc.","detail":"Partnered with Bechtel on construction and supplied the power-island equipment, including the two SGT6-5000F gas turbines.","official_url":"https://www.siemens-energy.com/"} — Panda Stonewall Energy Center · confidence: high
- Commercial parties.6: {"relationship":"EPC consortium partner and power-island OEM","name":"Siemens Energy Inc.","detail":"Partnered with Bechtel on construction and supplied the power-island equipment, including the two SGT6-5000F gas turbines.","official_url":"https://www.siemens-energy.com/"} — Research Update: Potomac Energy Center LLC 'BB-' | S&P Global Ratings · confidence: high
- Commercial parties.7: {"relationship":"Project equity investor","name":"Siemens Financial Services","detail":"Provided a $75 million equity investment during the original project financing and was a seller to Ares in 2021.","official_url":"https://www.siemens.com/"} — Source · confidence: medium
- Commercial parties.7: {"relationship":"Project equity investor","name":"Siemens Financial Services","detail":"Provided a $75 million equity investment during the original project financing and was a seller to Ares in 2021.","official_url":"https://www.siemens.com/"} — Stonewall Power Project, Loudoun County, Virginia, US · confidence: medium
- Commercial parties.9: {"relationship":"2025 sell-side financial advisor","name":"Houlihan Lokey","detail":"Served as exclusive financial advisor to the seller and advised on the sale of Potomac Energy Center to Blackstone.","official_url":"https://hl.com/"} — Potomac Energy Center - Blackstone | Transaction Details · confidence: high
- Commercial parties.12: {"relationship":"Original senior-debt arranger","name":"Goldman Sachs","detail":"Named among the lead arrangers of the original senior-debt financing for the Stonewall project.","official_url":"https://www.goldmansachs.com/"} — Stonewall Power Project, Loudoun County, Virginia, US · confidence: medium
- Commercial parties.13: {"relationship":"Original senior-debt arranger","name":"Credit Suisse","detail":"Named among the lead arrangers of the original senior-debt financing for the Stonewall project.","official_url":null} — Stonewall Power Project, Loudoun County, Virginia, US · confidence: medium
- Commercial parties.14: {"relationship":"Original senior-debt arranger","name":"Industrial and Commercial Bank of China","detail":"Named among the lead arrangers of the original senior-debt financing for the Stonewall project.","official_url":"https://www.icbc.com.cn/en/"} — Stonewall Power Project, Loudoun County, Virginia, US · confidence: medium
- Commercial parties.15: {"relationship":"Original senior-debt arranger","name":"MUFG Union Bank","detail":"Named among the lead arrangers of the original senior-debt financing for the Stonewall project.","official_url":"https://www.mufgamericas.com/"} — Stonewall Power Project, Loudoun County, Virginia, US · confidence: medium
- Quality notes.0: Capacity is reported on different bases: EIA-based records list 812 MW of aggregate nameplate capacity, while transaction, rating, and project materials commonly describe the facility as 774 MW. — Potomac Energy Center - Blackstone | Transaction Details · confidence: high
- Quality notes.1: The EIA/S&P operating history identifies first operation or commercial operations in April 2017, while project and industry commissioning materials report commercial operation or commissioning in May 2017. — Stonewall Power Project, Loudoun County, Virginia, US · confidence: high
- Quality notes.2: Blackstone and Kirkland stated that the 2025 transaction terms were not disclosed; approximately $1 billion is a reported transaction value, not a disclosed contractual consideration. The $490 million 2021 refinancing and the 2026 debt add-on are project financings, not sale prices. — Blackstone to Acquire 774-MW Virginia Gas Plant in 'Data Center Alley' in Reported $1B Deal · confidence: high
- Quality notes.3: The operating and rating history describes the facility as operating and does not establish a separate expansion, repowering, or retirement milestone. — Research Update: Potomac Energy Center LLC 'BB-' | S&P Global Ratings · confidence: medium
- Seller: Ares Management — Latham Watkins Advises Ares Management in Its Sale of Potomac Energy Center to Blackstone · confidence: high

## Timeline

- 2014-07 — Construction site work began
  Panda began site work at the Stonewall facility in mid-July 2014.
  Source: Bechtel, Panda Power, Siemens fire up 778 MW Stonewall power plant (https://www.renewableenergyworld.com/power-grid/bechtel-panda-power-siemens-fire-up-778-mw-stonewall-power-plant/)

## Sources

- [Research Update: Potomac Energy Center LLC 'BB-' | S&P Global Ratings](https://www.spglobal.com/ratings/en/regulatory/article/-/view/type/HTML/id/3526636) — spglobal.com · tier other
- [Blackstone Energy Transition Partners to Acquire Potomac Energy Center - Blackstone](https://www.blackstone.com/news/press/blackstone-energy-transition-partners-to-acquire-potomac-energy-center/) — blackstone.com · tier other
- [Potomac Energy Center - Blackstone | Transaction Details](https://hl.com/about-us/transactions/potomac-energy-center-blackstone/) — hl.com · tier other
- [Stonewall Power Project, Loudoun County, Virginia, US](https://www.power-technology.com/projects/stonewall-power-project-loudoun-county-virginia/) — power-technology.com · tier other
- [Source](https://hl.com/about-us/transactions/potomac-energy-center-blackstone) — hl.com · tier other
- [Research Update: Potomac Energy Center LLC 'BB-' | S&P Global Ratings](https://spglobal.com/ratings/en/regulatory/article/-/view/type/HTML/id/3526636) — spglobal.com · tier other
- [Blackstone to Acquire 774-MW Virginia Gas Plant in 'Data Center Alley' in Reported $1B Deal](https://www.powermag.com/blackstone-to-acquire-774-mw-virginia-gas-plant-in-data-center-alley-in-reported-1b-deal/) — powermag.com · tier other
- [Siemens, Bechtel lands contract for Stonewall Energy Project in Virginia](https://www.power-eng.com/gas/siemens-lands-contract-for-stonewall-energy-project-in-virginia/) — power-eng.com · tier other
- [Bechtel Completes Stonewall Energy Facility Ahead of Schedule](https://www.prnewswire.com/news-releases/bechtel-completes-stonewall-energy-facility-ahead-of-schedule-300460024.html) — prnewswire.com · tier other
- [Panda Stonewall Energy Center](https://www.bechtel.com/projects/panda-stonewall-energy-center/) — bechtel.com · tier other
- [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
- [SeaFloat power plants](https://www.siemens-energy.com/global/en/home/products-services/product/seafloat.html) — siemens-energy.com · tier other
- [Latham Watkins Advises Ares Management in Its Sale of Potomac Energy Center to Blackstone](https://www.lw.com/en/news/2025/01/latham-watkins-advises-ares-management-in-its-sale-of-potomac-energy-center-to-blackstone) — lw.com · tier other
- [Source](https://citizen.org/article/may-blackstone-potomac-energy-center-data-center) — citizen.org · tier other
- [Bechtel, Panda Power, Siemens fire up 778 MW Stonewall power plant](https://www.renewableenergyworld.com/power-grid/bechtel-panda-power-siemens-fire-up-778-mw-stonewall-power-plant/) — renewableenergyworld.com · tier other
- [Gant Substation - Loudoun County, Virginia, USA](https://mapcarta.com/W817632571) — mapcarta.com · tier other

## Data quality

- Capacity is reported on different bases: EIA-based records list 812 MW of aggregate nameplate capacity, while transaction, rating, and project materials commonly describe the facility as 774 MW. The operating and rating history describes the facility as operating and does not establish a separate expansion, repowering, or retirement milestone.

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