Can renewables lower energy cost and ensure reliability?

The Coalition's energy dysfunction is deepening, and there's now a real prospect that Australia could be left without a credible energy policy.

Can renewable energy run a steelworks?

But Sanjeev Gupta, the new billionaire British owner of Whyalla steelmaker Arrium has taken matters into his own hands.

He's bought a stake in the solar and battery storage company Zen Energy to keep power prices down and feed energy back into South Australia's struggling electricity grid.

Listen to the Fran Kelly interview on Radio National Breakfast - “Can renewables lower energy cost and ensure reliability?”