From the ABC:

After doubling over the past five years, electricity prices will rise another 20 per cent this year writes Ian Verrender in this article from the ABC on the

After Tony Abbott axed the carbon tax “investment in renewable energy plummeted. What wasn’t expected was that the power industry began to make good on its plans to mothball its antiquated coal-fired generators. 

“The result? A supply shortage. For anyone with even a vague understanding of microeconomics that means just one thing; price hikes.