The Russian invasion of Ukraine, covid-related supply chain disruptions, and rising inflation have all fuelled a narrative that the clean energy transition will be highly inflationary.

Progress at the project, halted since 2017, has sped up in the past year thanks to a fresh deal between Eldorado and Greece.

The development will prove useful in the manufacture of contact lenses, holographic optical elements and other optical components.

It said earnings from its marketing unit will “comfortably” top the highest end of its guidance range of $2.2 billion to $3.2 billion.