A proposal to re-develop Marsden Point's decommissioned refinery is being considered.

Channel Infrastructure NZ recently entered a conditional agreement with Seadra Energy to create a bio-refinery at the Northland site. 

Seadra would purchase it for about $53-million and use some existing, decommissioned assets like tankage and jetties.

Milford Asset Management's Jeremy Hutton unpacks what this could look like.

LISTEN ABOVE