Heathrow signs MoU with 7 Steel UK to source green steel for potential third runway

Heathrow Airport has signed a memorandum of understanding with Welsh green steelmaker 7 Steel UK to source significant volumes of steel from the company's electric arc furnace plant in Cardiff, paving the way for a framework agreement and a long‑term contract.

7 Steel UK, which has supplied Heathrow with more than 150,000 tonnes of steel over more than two decades, can produce up to 1.2 million tonnes of crude steel annually, while a third runway at Heathrow would require up to 400,000 tonnes of steel, about a sixth of the UK’s annual production; the runway is estimated to cost £33 bn and would not be operational until the late 2030s.