As rain-swept South Australia braces for more flooding, Josh Frydenberg has conceded what the state government has been saying since Wednesday's freak storm caused a blackout across the region.

The federal energy minister’s preliminary inquiries shows the state’s growing dependency on renewable energy was not the reason for the cascading blackouts, which have left some homes still without power four days after the unprecedented event. A spokesman for the SA government has said it wouldn’t have mattered if the…