APA Group (ASX: APA) has received a large takeover offer of around $13 billion from a consortium led by CK Infrastructure Holdings Limited.

APA Group is Australia’s largest natural gas infrastructure business and it also owns electricity assets.

The offer from CK Infrastructure is for $11 per share, which comes to $12.979 billion for all of the shares on issue. Yesterday’s closing price was $8.27, so the offer represents a premium of 33%.

CK Infrastructure is leading a consortium which also includes CK Asset Holdings Limited and Power Assets Holdings Limited.