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Episode 011: Why Steel Mills Don't Close

What Finally Closes Them

📅 10 September 2026 ⏱️ 26 minutes 🎙️ Dr Andrzej M Kotas

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Download: MP3 file | Duration: ~26 min | Author credentials: ORCIDORCID iD

Episode Overview

The steel industry agrees it has too much capacity, and has agreed so for decades. Yet closures arrive far more slowly, and far less predictably, than the economics would suggest. Mills that have not covered their cost of capital in ten years are still rolling steel. This episode asks why — and what, in the end, actually switches the lights off.

The answer is not sentiment. It is that closing costs more than continuing, in cash, in the first year. Operating a steel plant defers pensions, redundancy, decommissioning, remediation and take-or-pay commitments; exit crystallises all of them at once. Add support that breaks the link between losses and closure, and the genuine option value of waiting through a cycle, and a furnace can stay lit for a decade past the point where it made any sense.

Dr. Kotas then sets out the five triggers that do force closure — none of which is "the mill lost money" — drawing on Redcar's mothballing, restart and eventual liquidation, Port Talbot's end-of-life heavy end, the 2025 emergency intervention at Scunthorpe, the permanent closure of Rohrwerk Maxhütte in Bavaria, and Smederevo in Serbia, sold back to the state for one dollar rather than closed.

Key Takeaways

  • Closing costs more than continuing: A mill can lose money on every tonne and still be cheaper to run than to shut. Operating defers pensions, redundancy, decommissioning, remediation and take-or-pay; exit crystallises the lot in year one. What looks like denial is usually cash arithmetic.
  • The pension is often the decisive item: The British Steel Pension Scheme, with around 130,000 members, was restructured in 2017 through a Regulated Apportionment Arrangement — a mechanism that exists precisely because continuing to support a scheme can make a company inevitably insolvent. The steelmaking could only continue once the liability had been detached.
  • Deferral gets more expensive every year: Remediation standards tighten, the reline clock runs down, skilled operators disperse, and deferred capital accumulates. A mothballed asset is an option that most owners have stopped paying the premium to maintain.
  • Insolvency transfers steel mills, it does not remove them: On a SteelOnTheNet review of more than sixty steel insolvencies worldwide since the 1960s, roughly two-thirds saw assets pass to a named acquirer, and fewer than one in ten has so far ended in permanent closure of the plant. Counting bankruptcies is a poor way to forecast capacity.
  • Five triggers actually force closure: Cash running out; a spending deadline such as a reline or permit renewal; an upstream failure stranding the asset; support stopping or changing direction; and a change of ownership. Every one has a date attached. Losses have no date, which is exactly why they don't force the decision.
  • Capacity is substituted more often than it exits: Port Talbot's heavy end closed with steelmaking planned to resume through £1.25bn of electric arc furnace investment; Algoma permanently closed its blast furnace and coke batteries in January 2026 while the steelworks continued. If you are modelling supply, that distinction is everything.
  • For policymakers, support buys an option: The right to have capacity available if conditions change. A legitimate thing to want — but it has a premium, a condition for exercise, and an expiry date, and interventions that cannot state all three are subsidies with better public relations.

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