The battery storage system, built by Tesla (Palo Alto, CA), was the subject of much news coverage earlier this year when Tesla CEO Elon Musk promised that the company could provide a battery back-up for South Australia’s troubled renewable electricity grid within 100 days. If the company failed to achieve this goal, said Musk at the time, it would construct the battery for free.
Consisting of Tesla power packs, the 100-megawatt battery facility has now reportedly been fully installed on a site near a wind farm north of Adelaide, Australia – ahead of the company’s self-imposed deadline of December 1. According to the South Australia state government, testing will begin within days to ensure it meets the required regulatory standards of the energy operator.
In response, Musk said in a tweet, “Congratulations to the Tesla crew and South Australian authorities who worked so hard to get this manufactured and installed in record time.”
Once operating and fully charged, the system is expected to provide enough power for more than 30,000 homes for one hour. or 8,000 homes for 24 hours. The project is part of a AU$550 million plan by the Australian state to guarantee energy supply following a much-publicized statewide blackout last year, which left 1.7 million residents without electricity.
“The world’s largest lithium ion battery will be an important part of our energy mix,” says South Australia’s Premier Jay Weatherill. “It sends the clearest message that South Australia will be a leader in renewable energy with battery storage.”
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