SeAH Wind signed a contract with Vattenfall to provide XXL monopile foundations for the Norfolk Vanguard East wind farm (as part of the Norfolk Offshore Wind Zone, alongside Norfolk Vanguard West). Production was scheduled to start in 2026 at SeAH’s new factory in Teesside, UK. The monopiles were described as weighing up to around 2,200 tonnes and up to 96 m in length.