TZMS Třinecké železárny Trinec steel plant

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TZMS Třinecké železárny Trinec steel plant, also known as Třinec Iron and Steel Works, is a steel plant in Třinec, Moravskoslezský, Czech Republic that operates electric arc furnace (EAF), basic oxygen furnace (BOF), and blast furnace (BF) technology.

Location

The map below shows the exact location of the plant in Třinec, Moravskoslezský, Czech Republic:

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  • Location: Průmyslová 1000, Staré Město, 739 61 Třinec, Czech Republic
  • Coordinates (WGS 84): 49.689053, 18.654557 (exact)

Background

The Třinecké železárny steel plant in Trinec is the largest steel producer in the Czech Republic.[1] The plant has more than a century of history as a major industrial producer for the region.[2]

The plant has traditionally produced steel using coal-based blast furnaces (BF) and basic oxygen furnaces (BOF). As of 2025 however, the company had announced plans to transition to using scrap-based electric arc furnace (EAF) steel production by 2030 as part of a major decarbonization investment.[3]

Ownership Tree

This ownership tree is part of the Global Energy Ownership Tracker, a project of Global Energy Monitor.

Plant Details

Table 1: General Plant Details

Start date Workforce size Power source
1839[4] 6000[5] "Třinecké železárny together with its subsidiary Energetika Třinec will produce electricity from the sun in two photovoltaic power plant"; signed PPA with CEZ ESCO for 4.4 GWh/year of emission-free electricity; also planned 62 MWe combined cycle gas turbine[6][7][8]

Table 2: Ownership and Parent Company Information

Parent company Parent company PermID Parent GEM entity ID Owner Owner company PermID Owner GEM entity ID
small shareholder(s) [51.4%]; Minerfin AS [48.6%] not applicable [51.4%]; 4298245595 [48.6%] E100001015587 [51.4%]; E100001016230 [48.6%] TRINECKÉ ZELEZÁRNY AS [100%][9] 4295865795 E100001011644 [100%]

Table 3: Process and Products

Steel product category Steel products ISO 14001 ISO 50001 Responsible steel Main production equipment
semi-finished, finished rolled[9] wire rod, rail, seamless, bar, billet[10] 2022[11] 2022[11] unknown BF; EAF; BOF

Table 4: Plant-level Crude Steel Production Capacities (thousand tonnes per annum)

1Please see our Frequently Asked Questions page for an explanation of the different capacity operating statuses.
Capacity operating status1 Basic oxygen furnace steelmaking capacity Electric arc furnace steelmaking capacity Nominal crude steel capacity (total)
announced 1300[12] 1300[13] 2600[12][13]
operating 1300[14][15][16] 200[15][16] 1500[14][15][16]
operating pre-retirement 1300[14][15][16] – 1300[14][15][16]

Table 5: Plant-level Crude Iron Production Capacities (thousand tonnes per annum)

1Please see our Frequently Asked Questions page for an explanation of the different capacity operating statuses.
Capacity operating status1 Blast furnace capacity Nominal iron capacity (total)
operating 1168[17] 1168[17]
operating pre-retirement 1095[18] 1095[18]

Table 6: Upstream Products Production Capacities (thousand tonnes per annum)

Sinter Coke Pellets
>0[15] 700[19] NF

Table 7: Actual Plant-level Crude Steel Production by Year (thousand tonnes per annum)

Year BOF production EAF production Total (all routes)
2019 2315[15] 193[15] 2508[15]
2020 2382[15] 199[15] 2581[15]
2021 2215[20] 185[20] 2400[20]
2022 2252[20] 188[20] 2440[20]
2023 2242[21][22] 173[21][22] 2415[21][22]
2024 2252[23] 173[23] 2425[23]

Table 8: Actual Plant-level Crude Iron Production by Year (thousand tonnes per annum)

Year BF production Total (all routes)
2019 2045[15] 2045[15]
2020 2107[15] 2107[15]
2021 1943[22] 1943[22]
2022 1970[22] 1970[22]
2023 1973[22] 1973[22]
2024 1965[23] 1965[23]

Unit Details

Table 9: Blast Furnace Details

Unit name Status Start date Retired date Furnace manufacturer and model Current size Current capacity (ttpa) Decarbonization technology Most recent relining
BF 4 operating[24][25][14][18] 1923[26] – Paul Wurth (parts)[27] 1373.0[17] 1168[17] Constructing a cold iron briquetting line for use in the blast furnaces and starting the reuse of coke oven gas throughout the plant, all with the aim of emissions reduction[28][29] 2025-10-06[30]
BF 6 operating pre-retirement[13] 1952[18] 2030[13] Paul Wurth (2021 update)[27] –[31] 1095[18] Constructing a cold iron briquetting line for use in the blast furnaces and starting the reuse of coke oven gas throughout the plant, all with the aim of emissions reduction[28][29] 2021-10[32]

Table 10: Electric Arc Furnace Details

Unit name Status Construction date Start date Current capacity (ttpa)
unknown EAF (1) operating[33] – –[34] 200[15][16]
unknown EAF (2) announced[13] 2026[35] 2030[34] 1300[13]

Table 11: Electric Arc Furnace Feedstock Details

Unit name Scrap-based % scrap % DRI % HBI % sponge iron (unknown if DRI or HBI) % basic/merchant pig iron % granulated pig iron % pig iron (unknown if basic/merchant or granulated) % other iron
unknown EAF (1) yes[36][37] >0[36][37] unknown unknown unknown unknown unknown unknown unknown
unknown EAF (2) yes[12] >0[12] unknown unknown unknown unknown unknown unknown unknown

Table 12: Basic Oxygen Furnace Details

Unit name Status Start date Retired date Furnace manufacturer and model Current capacity (ttpa) Current size
BOF 1 operating pre-retirement[13] 2004[4][38] 2030[13] SMS Group[38] 1300[14][15][16] 185.0 tonnes[38]
BOF 2 operating[24] 2004[4][38] – SMS Group[38] 1300[14][15][16] 185.0 tonnes[38]
unknown BOF (1) announced[12] 2031[12] – – 1300[12] –

Articles and Resources

Additional data

To access additional data, including an interactive map of steel plants, a downloadable dataset, and summary data, please visit the Global Iron and Steel Tracker on the Global Energy Monitor website.

References

  1. ↑ "Czechia's largest steelmaker postpones decarbonization project". www.steelradar.com. Retrieved 2026-01-09.
  2. ↑ "Our brand – Třinecké železárny – Moravia Steel". www.trz.cz. Retrieved 2026-01-09.
  3. ↑ "Třinecké Železárny postpones key decarbonization plans". gmk.center. Retrieved 2026-01-09.
  4. ↑ 4.0 4.1 4.2 "Třinecké Železárny – Moravia Steel". Třinecké Železárny – Moravia Steel. Archived from the original on 2024-12-17. Retrieved 2024-12-13.
  5. ↑ https://web.archive.org/web/20211028214808/https://www.trz.cz/articles/72/job-seekers. Archived from the original on 2021-10-28. {{cite web}}: Missing or empty |title= (help)
  6. ↑ https://www.steelradar.com/en/haber/czechias-largest-steelmaker-postpones-decarbonization-project/. {{cite web}}: Missing or empty |title= (help)
  7. ↑ https://www.steelorbis.com/steel-news/latest-news/czech-based-tinecke-elezarny-signs-ppa-agreement-for-emission-free-electricity-1381379.htm. {{cite web}}: Missing or empty |title= (help)
  8. ↑ https://web.archive.org/web/20240122224533/https://www.trz.cz/articles/158/dok528/the-company-launches-the-first-two-photovoltaic-power-plants-into-the-grid. Archived from the original on 2024-01-22. {{cite web}}: Missing or empty |title= (help)
  9. ↑ 9.0 9.1 https://web.archive.org/web/20240125054725/https://www.trz.cz/main-page/47/intro. Archived from the original on 2024-01-25. {{cite web}}: Missing or empty |title= (help)
  10. ↑ https://web.archive.org/web/20211207060425/https://www.steelonthenet.com/directory/steelmaking/trinecke-zelezarny.html. Archived from the original on 2021-12-07. {{cite web}}: Missing or empty |title= (help)
  11. ↑ 11.0 11.1 https://web.archive.org/web/20240122223801/https://www.trz.cz/articles/60/dok171/quality-certificates. Archived from the original on 2024-01-22. {{cite web}}: Missing or empty |title= (help)
  12. ↑ 12.0 12.1 12.2 12.3 12.4 12.5 12.6 (PDF) https://web.archive.org/web/20241124053554/https://www.trz.cz/assets/uploads/udrzitelnost/TZMS-NaseCestaKUhlikoveNeutralite.en.pdf. Archived from the original (PDF) on 2024-11-24. {{cite web}}: Missing or empty |title= (help)
  13. ↑ 13.0 13.1 13.2 13.3 13.4 13.5 13.6 13.7 https://web.archive.org/web/20240309062725/https://www.trz.cz/o-nas/tiskove-zpravy/2024-02-14-energeticke-uspory-i-snizeni-emisi-investice-presahnou-miliardu/. Archived from the original on 2024-03-09. {{cite web}}: Missing or empty |title= (help)
  14. ↑ 14.0 14.1 14.2 14.3 14.4 14.5 14.6 https://web.archive.org/web/20220825185936/https://www.fastmarkets.com/insights/czech-steelmaker-trinecke-zelezarny-to-upgrade-blast-furnace-to-cut-emissions. Archived from the original on 2022-08-25. {{cite web}}: Missing or empty |title= (help)
  15. ↑ 15.00 15.01 15.02 15.03 15.04 15.05 15.06 15.07 15.08 15.09 15.10 15.11 15.12 15.13 15.14 15.15 15.16 15.17 15.18 (PDF) https://web.archive.org/web/20220318214125/https://www.trz.cz/upload/1/files/TZ_AR_2020.pdf. Archived from the original (PDF) on 2022-03-18. {{cite web}}: Missing or empty |title= (help)
  16. ↑ 16.0 16.1 16.2 16.3 16.4 16.5 16.6 16.7 "Map of EU steel production sites" (PDF). Eurofer. Archived from the original (PDF) on 2022-03-18.
  17. ↑ 17.0 17.1 17.2 17.3 https://web.archive.org/web/20251016030319/https://www.trz.cz/o-nas/tiskove-zpravy/2025-10-07-vysoka-pec-chrli-prvni-tuny-suroveho-zeleza-po-rekonstrukci/. Archived from the original on 2025-10-16. {{cite web}}: Missing or empty |title= (help)
  18. ↑ 18.0 18.1 18.2 18.3 18.4 https://web.archive.org/web/20211207093806/https://trz.cz/articles/81/dok445/the-blast-furnace-is-under-reconstruction-after-twenty-two-years. Archived from the original on 2021-12-07. {{cite web}}: Missing or empty |title= (help)
  19. ↑ (PDF) https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/atoms/files/myb3-2017-18_Czechia.pdf. {{cite web}}: Missing or empty |title= (help)
  20. ↑ 20.0 20.1 20.2 20.3 20.4 20.5 https://web.archive.org/web/20220925050232/https://trz.cz/articles/81/dok491/trinecke-zelezarny-concluded-its-2021-financial-year. Archived from the original on 2022-09-25. {{cite web}}: Missing or empty |title= (help)
  21. ↑ 21.0 21.1 21.2 "Třinecké Železárny produced 2.41 million tons of steel in 2023 — News — GMK Center". 2024-06-26. Archived from the original on 2024-12-17. Retrieved 2024-12-13.
  22. ↑ 22.0 22.1 22.2 22.3 22.4 22.5 22.6 22.7 22.8 https://web.archive.org/web/20240229041544/https://www.trz.cz/en/about-us/financial-highlights/. Archived from the original on 2024-02-29. {{cite web}}: Missing or empty |title= (help)
  23. ↑ 23.0 23.1 23.2 23.3 23.4 https://www.trz.cz/en/sustainability/corporate-governance/. {{cite web}}: Missing or empty |title= (help)
  24. ↑ 24.0 24.1 https://web.archive.org/web/20240122224313/https://www.trz.cz/articles/59/dok168/annual-reports. Archived from the original on 2024-01-22. {{cite web}}: Missing or empty |title= (help)
  25. ↑ https://www.trz.cz/en/about-us/press-releases/2025-10-06-blast-furnace-produces-first-tons-of-pig-iron-after-reconstruction/. {{cite web}}: Missing or empty |title= (help)
  26. ↑ https://gmk.center/en/news/trinecke-zelezarny-resumed-operation-of-blast-furnace-no-4-after-modernization/amp/. {{cite web}}: Missing or empty |title= (help)
  27. ↑ 27.0 27.1 https://web.archive.org/web/20220928085450/https://www.paulwurth.com/en/trinecke-zelezarny-confirms-order-for-new-hot-blast-stove-for-its-czech-republic-facility/. Archived from the original on 2022-09-28. {{cite web}}: Missing or empty |title= (help)
  28. ↑ 28.0 28.1 https://web.archive.org/web/20230313101155/https://www.steelguru.com/steel/trinecke-zelezarny-to-cut-carbon-footprints-in-2023. Archived from the original on 2023-03-13. {{cite web}}: Missing or empty |title= (help)
  29. ↑ 29.0 29.1 https://web.archive.org/web/20240111051547/https://gmk.center/en/news/czech-trinecke-zelezarny-invests-45-2-million-in-decarbonization/. Archived from the original on 2024-01-11. {{cite web}}: Missing or empty |title= (help)
  30. ↑ https://gmk.center/en/news/trinecke-zelezarny-resumed-operation-of-blast-furnace-no-4-after-modernization/amp/ https://www.trz.cz/o-nas/tiskove-zpravy/2025-10-07-vysoka-pec-chrli-prvni-tuny-suroveho-zeleza-po-rekonstrukci/, https://gmk.center/en/news/trinecke-zelezarny-resumed-operation-of-blast-furnace-no-4-after-modernization/amp/. {{cite web}}: Check |url= value (help); Missing or empty |title= (help)
  31. ↑ (PDF) http://www.envicomab.com/wp-content/uploads/2014/08/Lungmuss-Taphole-Clay-Brochure-Blast-Furnaces.pdf. {{cite web}}: Missing or empty |title= (help)
  32. ↑ https://www.trz.cz/articles/81/dok445/the-blast-furnace-is-under-reconstruction-after-twenty-two-years\, https://acri.cz/en/2021/12/29/the-blast-furnace-has-been-fully-launched-after-the-reconstruction/, https://www.fastmarkets.com/insights/czech-steelmaker-trinecke-zelezarny-to-upgrade-blast-furnace-to-cut-emissions https://www.sms-group.com/it-it/sms-newsletter-issue-012020-47/download, https://www.trz.cz/articles/81/dok445/the-blast-furnace-is-under-reconstruction-after-twenty-two-years\, https://acri.cz/en/2021/12/29/the-blast-furnace-has-been-fully-launched-after-the-reconstruction/, https://www.fastmarkets.com/insights/czech-steelmaker-trinecke-zelezarny-to-upgrade-blast-furnace-to-cut-emissions. {{cite web}}: Check |url= value (help); Missing or empty |title= (help)
  33. ↑ https://web.archive.org/web/20220121144439/https://www.trz.cz/articles/54/history. Archived from the original on 2022-01-21. {{cite web}}: Missing or empty |title= (help)
  34. ↑ 34.0 34.1 https://www.steelorbis.com/steel-news/latest-news/czech-based-tinecke-elezarny-postpones-steelmaking-decarbonization-plans-1389053.htm. {{cite web}}: Missing or empty |title= (help)
  35. ↑ https://www.steelorbis.com/steel-news/latest-news/czech-based-tinecke-elezarny-details-major-decarbonization-projects-1376811.htm. {{cite web}}: Missing or empty |title= (help)
  36. ↑ 36.0 36.1 https://web.archive.org/web/20240122224844/https://eurometal.net/czech-steelmaker-trinecke-zelezarny-to-produce-near-full-capacity-in-2022-start-green-projects/. Archived from the original on 2024-01-22. {{cite web}}: Missing or empty |title= (help)
  37. ↑ 37.0 37.1 (PDF) https://web.archive.org/web/20240122224916/https://www.trz.cz/upload/1/files/TZMS_VZ2022_EN_definitiv.pdf. Archived from the original (PDF) on 2024-01-22. {{cite web}}: Missing or empty |title= (help)
  38. ↑ 38.0 38.1 38.2 38.3 38.4 38.5 (PDF) https://web.archive.org/web/20241217233440/https://zaptechcorporation.com/wp-content/uploads/2020/05/Experience-of-new-BOF-operations-at-Trinecke-zelezarny.pdf. Archived from the original (PDF) on 2024-12-17. {{cite web}}: Missing or empty |title= (help)

Resources

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