Elon Musk, the billionaire founder of electric car giant Tesla, has thrown down a challenge to the South Australian and federal governments, saying he can solve the state’s energy woes by building a 100-300 megawatt battery storage system.

Grid scale battery storage would prevent the power shortages that have been causing SA's blackouts, help to even out price spikes, and improve reliability across the network.

Musk himself is so confident he can deliver this, he's even promised to get it done within 100 days – or he’ll give it away for free.

The federal government is obsessed with coal projects and has been blaming renewable technologies for SA's power problems.

Let's show our political leaders there's real public interest in an environmentally friendly solution - we can make this happen!