Why energy giants want to control solar batteries

It was a decision driven by spite for Sydney man Peter Anderson. He was determined to buy a solar battery for his home so he could take money away from the big power companies, while never receiving a hefty power bill again. But his plan came unstuck after agreeing to participate in a so-called virtual power plant. Today, energy reporter David Mercer on Peter’s dilemma, how giving back to the grid really works and whether it’s worth it. Featured: Dan Mercer, ABC energy reporter