Sanjoy Sen: A Precarious Crossroads for Port Talbot & the UK

Sanjoy Sen
Sanjoy SenImage Source: Deeside


Tata Steel's decision to close the blast furnaces at Port Talbot, replacing them with an electric arc furnace, marks a pivotal moment. The move, aimed at cost reduction and lower emissions, triggers concerns about the global supply of steel and challenges in maintaining high-quality production. Amidst the industry's historical struggles, increased competition, rising costs, and environmental pressures, the UK faces tough choices, from potential job losses to adopting cleaner steelmaking technologies.


Sanjoy Sen is a chemical engineer. He contested Alyn and Deeside in the 2019 general election as Welsh Communist party candidate.

Tata Steel's announcement of the closure of Port Talbot's blast furnaces reverberates beyond South Wales. With losses mounting, the shift to an electric arc furnace fueled by scrap metal raises questions about the global steel market. Electric arc furnaces offer cost and emission advantages but may strain global scrap supply, impacting costs. This move, while potentially economically viable, risks leaving the UK unable to produce high-quality virgin steels, a concern voiced by trade unions and political groups.

Examining the broader steel industry, challenges persist despite technological advancements. Steel, an economic cornerstone, contributes significantly to Europe's economy and job market. However, overcapacity, increased competition, and rising costs, especially in raw materials and energy, create a complex landscape. The historical evolution of the industry, from British Steel's dominance to Corus and Tata's acquisitions, highlights the dynamic nature of global steel production.

China's overwhelming steel production, exceeding the rest of the world combined, poses a unique challenge. As the UK and others grapple with Chinese exports, quotas and tariffs become vital tools. Rising raw material costs, coupled with higher electricity costs, especially concerning as the industry transitions to power-hungry electric arc furnaces, add further complexity. The industry's responsibility for a significant share of global greenhouse gases intensifies the need for decarbonization, with estimated costs reaching staggering figures.

In the face of Port Talbot's challenges, political and strategic decisions become paramount. Governments, including Rishi Sunak's, confront tough choices ranging from market-driven outcomes to potential nationalization. State aid, a contentious issue post-Brexit, has been generously distributed to European steelmakers. Both Tata and British Steel explore electric arc furnaces as a survival strategy, with government support playing a crucial role.

In the bygone era of the pre-internet 1990s, navigating the labyrinth of limited student advice, I meticulously prepared for my British Steel interview, immersing myself in an endless sea of statistics.

From the throes of nationalization in 1967, the workforce dwindled precipitously from 250,000 to a mere 40,000 in the early nineties. A painful wave of restructuring ensued, leading to the closure of major sites such as Corby (1979), Consett (1980), Shotton (1980), and Ravenscraig (1992). However, amidst the tumult, a competitive global player emerged triumphant. By 1993, British Steel proudly held the mantle of Europe’s foremost steel producer, trailing only three rivals—all Japanese entities.

In that era, the ascent of Chinese manufacturers had not yet breached the top 20 echelons. But as global supply surged, established competitors amalgamated, and sites shuttered. The alliance between British Steel and the Dutch giant Hoogovens birthed Corus in 1999, later to be absorbed by India’s Tata in a landmark takeover in 2007.

While Chinese steel production has experienced recent fluctuations, its colossal output surpassed a billion tonnes in 2021, towering over the rest of the world combined and dwarfing the UK's modest 7 million. Amidst a backdrop of diminishing domestic demand poised to spur greater exports, the UK, along with its G7 counterparts, relies on quotas and tariffs to stem the tide of this behemoth.

Yet, the challenges do not cease there. Escalating running costs, with raw material expenses like iron ore and coal tripling, and elevated electricity costs nearing £100 per megawatt hour in the UK versus Germany’s £60, cast a foreboding shadow. This becomes particularly disconcerting as the industry pivots towards power-hungry Electric Arc Furnaces (EAFs).

Compounding these woes, the escalating cost of addressing emissions emerges as a formidable hurdle. Steel's contribution of 8 percent to global greenhouse gases places the industry under intense scrutiny, pressuring it to take decisive action. With the staggering estimated global cost of steel decarbonization reaching £4.4 trillion, Western manufacturers hope to leverage a premium for greener products. Additionally, they anticipate reaping benefits from carbon pricing measures that could impact Chinese competitors, who have been comparatively sluggish in their response.

As we stand at this critical juncture, the question arises: How might we respond to these intricate challenges and uncertainties that encircle the steel industry?


The Port Talbot steel dilemma epitomizes the broader challenges facing the UK steel industry. Balancing economic viability, environmental considerations, and global competition requires strategic decisions. As the industry navigates a critical juncture, a comprehensive and forward-thinking approach is essential to secure a sustainable future for UK steel.

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