Elon Musk’s project to build the world’s largest lithium-ion battery was a success


When fully charged, the battery, Tesla’s Powerpack, is expected to hold enough power for 8,000 homes for 24 hours, or more than 30,000 houses for an hour during a blackout. Tesla’s batteries will charge up during periods when the wind farm is producing excess energy, then supply extra power to the grid during periods of peak demand. The battery packs are part of a $390 million plan to create more reliable electricity after a series of recent blackouts in the state. The battery is the result of a Twitter bet between the Tesla founder and Atlassian’s Mike Cannon-Brookes in March.

The battery system

Musk promised he would supply the battery within 100 days or it will be free. The contract was signed on September 29. And he won now the high-stakes bet of $50 million. State premier Jay Weatherill announced on Thursday that regulatory testing will begin in days. “It sends the clearest message that South Australia will be a leader in renewable energy with battery storage,” he said. “Congratulations to the Tesla crew and South Australian authorities who worked so hard to get this manufactured and installed in record time!” the Tesla CEO wrote to Twitter on Thursday.


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