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A home with a Powerwall 2 and solar panels. Tesla

World's Largest Virtual Power Plant Coming to Australia in Deal With Tesla

South Australia—already home to the world's largest battery—will soon host the world's largest virtual solar plant under a landmark plan from Tesla CEO Elon Musk and the state government.

The plan involves installing a 5-kilowatt solar system and a Tesla Powerwall 2 battery on roughly 50,000 homes across the state over the next four years. The setup will be installed at no charge to the households and financed through the sale of electricity.


The entire system will function as an interconnected power plant all while cutting power bills for participants by an estimated 30 percent.

"My government has already delivered the world's biggest battery, now we will deliver the world's largest virtual power plant," South Australian Premier Jay Weatherill said.

"We will use people's homes as a way to generate energy for the South Australian grid, with participating households benefiting with significant savings in their energy bills."

The trial phase, which has already commenced, will start with 1,100 public housing properties. After the trial period, another 24,000 public housing properties will receive the systems before opening up to other South Australian households.

Weatherill tweeted Sunday than 6,500 South Australian households have already signed up. Those who want to participate in the program can register their interest here.

South Australia, in contrast to the pro-coal federal government, has invested heavily in renewable energy and battery storage in recent decades. Last year, Musk famously made—and fulfilled—a bet that he could help solve the state's power woes by building a massive battery farm in less than 100 days.

Tesla told AFP that the virtual power plant would have 250 megawatts of solar energy and 650 megawatt hours of battery storage.

"At key moments, the virtual power plant could provide as much capacity as a large gas turbine or coal power plant," the company added.

The rollout will be supported with a Aus$2 million (US$1.6 million) grant and a Aus$30 million (US$23.8 million) loan from the taxpayer-funded Renewable Technology Fund.

Learn more about the program here:

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