Elon Musk has agreed to build what is being hailed the “world’s largest virtual power plant”, by rolling out solar panels and Tesla batteries to 50,000 homes in South Australia.
The scheme, which will be completed over the next four years, will see any excess energy stored in each battery fed back into the grid to provide power to the rest of the state whenever required.
The South Australian government claims participating households will generate a total of 250MW of electricity – about half as much energy produced by a typical coal-fired power station.
If the trial is successful, a further 24,000 public housing properties will receive the systems before a full rollout to private homeowners who want to participate in 2019.
According to the state government, households involved in the scheme can expect to see their energy bills lowered by 30 percent, and even those not taking part will benefit from lower costs and fewer blackouts.
The government claims individual energy systems will generate a “significant” proportion of each household’s electricity needs, day and night. It also says the system as a whole will produce 20 per cent of the entire state’s daily energy requirements,
The move comes just two months after Tesla switched on the world’s biggest lithium-ion battery to help stabilise Australia’s shaky power infrastructure.
Tesla won a bid in July to build the 129-megawatt-hour battery for South Australia, which expanded in wind power far quicker than the rest of the country but has suffered a string of blackouts over the past 18 months.
Critics of South Australia’s renewable energy push have argued Tesla’s battery is a “Hollywood solution” in a country that still relies on fossil fuels – mainly coal – for two-thirds of its energy.
The effectiveness of Tesla’s battery is being closely watched, though South Australia was recently called on to export energy to Victoria, the latest state to struggle as scorching heat overloaded its power grid.
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