Future of Ovo Energy in doubt after failing financial stress tests

Firm, founded by green energy entrepreneur Stephen Fitzpatrick, says there is uncertainty" around plan to improve capital position

Ovo Energy has cast doubt on its future as one of Great Britain's largest domestic gas and electricity suppliers after failing to meet the regulator's financial standards.

The company, founded by the green energy entrepreneur Stephen Fitzpatrick, said in its latest financial accounts, seen by the Guardian, that there was uncertainty" around the plan it had agreed with the regulator to improve its capital position.