The company told the market yesterday that settlement of the transaction had been earlier than originally expected.

AlintaAGL owns the Western Australian retail business formerly owned by Alinta, as well as generation assets at Alcoa's Pinjarra and Wagerup alumina refineries.

AGL was obliged to sell its part ownership in the business after declining an offer to buy the 67% stake off Babcock, which in partnership with Singapore Power acquired the Alinta business in a $7.7 billion takeover in August.