Transformer oil shortage hits UK grid
Strikes at Ellesmere Port are causing shortages of vital transformer oil, affecting National Grid and Scottish Power operations across the UK.
Image for illustrative purposes
UK, England: National Grid and Scottish Power are facing shortages of vital transformer oil due to ongoing strikes by workers at Electrical Oil Services (EOS) in Ellesmere Port.
The company, which supplies oil used to cool, insulate, and lubricate power transformers, has told clients that stock levels are critically low. The shortage began just days after strike action started last week and is expected to worsen if no agreement is reached.
Workers are striking over what they say is an unacceptable pay offer. EOS is part of Halterman Carless, which had a turnover of more than $292 M (£216 M) in 2024. The Ellesmere Port site is its most profitable, and the group is owned by the multi-billion-pound International Chemical Investors Group.
Unite general secretary Sharon Graham said, “These strikes will continue with Unite’s full support until a fair pay offer is made. The company can more than afford it.”
Workers first walked out on 18 August and returned briefly on 25 August before resuming strike action on 26 August. The current walkout was set to last until 1 September, with further strikes likely.
Unite regional officer Andrew Johnson warned, “The shortage of oil for critical grid equipment will only get worse. This is entirely the result of the company’s refusal to negotiate a fair deal.”
Unless resolved soon, the dispute could impact electricity supply and maintenance, with pressure mounting on EOS to return to the negotiating table.
Source: Unite the Union
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