The £15bn takeover of the UK’s biggest electricity distributor has collapsed, according to reports.

A consortium led by private equity giant KKR and Australia Macquarie had struck a deal to buy UK Power Networks from Hong Kong’s CK Infrastructure Holdings (CKI).

CKI originally purchasing the electricity network business in 2010 for around £5.5 billion.

It is the largest electricity distribution operator in UK, covering around 8.3 million homes and businesses, primarily in the south east and East Anglia.

Read more: Express and Star