U.S. Steel Edgar Thomson Plant

From Global Energy Monitor
This article is part of the Global Steel Plant Tracker, a project of Global Energy Monitor.

U.S. Steel Edgar Thomson Plant, also known as Mon Valley Works Edgar Thomson and U.S. Steel Braddock, is a 2900 TTPA integrated steel plant in Braddock, Pennsylvania, United States.[1] The U.S. Steel Edgar Thomson plant operates a blast furnace (BF) and basic oxygen furnace (BOF).[2]


The map below shows the location of the steel plant in Braddock, Pennsylvania, United States.

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The U.S. Steel Edgar Thomson plant is one of the oldest steel plants in the country, having been active since 1875. Originally owned by the Carnegie Steel Company, it was sold to U.S. Steel in 1901.

In 2017, the local health department and the EPA filed a Notice of Violation against the plant for repeatedly exceeding local air quality standards; however, as of 2021, no follow-up has been reported.[3]

In 2019, U.S. Steel proposed a 1.5 billion USD upgrade project that would have retrofitted three of the Mon Valley steel plants, including the Edgar Thomson steel plant.[4][5]

In October 2020, the East Pittsburgh Borough zoning hearing board denied an appeal by a fracking company to have a lapsed permit for a natural gas well at U.S. Steel Edgar Thomson.[6]

In April 2021, the above upgrade project was cancelled and U.S. Steel announced plans to retire their coking coal facilities by 2023, raising controversy around job security and environmental controls at the plant.[7] The company stated that they cancelled the project because they wanted to "reduce carbon emissions and reallocate capital with a focus on sustainability," citing the company's net zero 2050 target[4][8] However, an executive from Mon Valley Works states opposition from environmentalists as being the cause.[9]

In August 2021, a thick plume of black smoke was emitted by the facility which breached local air quality standards. Members of the Group Against Smog and Pollution (GASP) have since filed a petition asking for transparency regarding emissions issues at U.S. Steel Edgar Thomson Plant.[3]

In May 2022, U.S. Steel agreed to pay a $1.5 million fine for operating the Edgar Thomson plant without functional air pollution controls.[10]

Plant Details

Articles and resources


  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 U.S. Steel Locations, U.S. Steel, Retrieved on: September 15, 2022
  2. 2.0 2.1 2.2 2022 AIST Basic Oxygen Furnace Roundup, Association for Iron & Steel Technology, Apr. 2022
  3. 3.0 3.1 "UPDATED | Smoke & Flames at U.S. Steel's Edgar Thomson Plant, More H2S Exceedances Punctuate Need for Regulators to Update Public on 2017 Notice of Violation, Compliance Timeline". GASP. 2021-08-23. Retrieved 2021-10-15.
  4. 4.0 4.1 Rosenblatt, Lauren (2021-05-01). "Officials bemoan U.S. Steel plans to scrap $1.5B Mon Valley Works upgrade". Pittsburgh Post-Gazette. Retrieved 2021-10-15.
  5. Jusko, Jill (2021-05-03). "US Steel Cancels $1 Billion Mon Valley Works Project". Industry Week. Retrieved 2021-10-15.
  6. Fracking project at US Steel Plant denied local permit extension, Reid Frazier, Oct. 22, 2020
  7. Reisman, Lisa; Hauser, Don (2021-05-10). "The real story behind U.S. Steel's Mon Valley project cancelation". Steel, Aluminum, Copper, Stainless, Rare Earth, Metal Prices, Forecasting | MetalMiner. Retrieved 2021-10-15.
  8. Burritt, David B. (May 2021). "AN OPEN LETTER TO OUR PITTSBURGH FAMILY from U.S. Steel President & CEO". US Steel. Retrieved 2021-10-15.
  9. Fuoco, Linda (2021-05-03). "In the Mon Valley — where U.S. Steel has canceled major investment — many left wondering what went wrong". Pittsburgh Post-Gazette. Retrieved 2021-10-15.
  10. Frazier, Reid (2022-05-17). "U.S. Steel Agrees to $1.5 million fine for Air Polluyion Violations at Edgar Thomson Steel Plant". The Allegheny Front. Retrieved 2022-09-15.
  11. 11.0 11.1 11.2 2022 AIST North American Blast Furnace Roundup, Association for Iron & Steel Technology, Mar. 2022
  12. Rattman, Jonno (2018). "In the Shadow of the Steel Mill". Topic. Retrieved 2022-09-15.
  13. "Certificate of Registration". US Steel. 2019-12-16. Retrieved 2021-10-15.
  14. "Certifications". US Steel. 2021. Retrieved 2021-10-15.
  15. "Locations". About Us. 2021. Retrieved 2021-10-15.

External resources

External articles

This page uses material from the Wikipedia page Edgar Thomson Steel Works under the provisions of the Creative Commons Attribution-ShareAlike 3.0 Unported License.