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The clock is ticking for Tesla Inc. after it agreed to build the world’s largest lithium-ion battery park in South Australia, signing off on a deal to finish the installation within 100 days or give it away for free.
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The contract has been signed, and construction is underway at the site of what will be one of the world’s biggest battery installations, courtesy of Tesla — and the 100-day clock to complete the project is now ticking.

The car and energy company sealed a deal with the government of South Australia to build the biggest battery in the world after a power outage sank the state into darkness last year — with Elon Musk promising to complete the project within 100 days, which came with a confident money-back guarantee.

Almost half of the planned capacity is already on site, according to Musk.

Last year’s blackout left 1.7 million people without electricity and prompted PM Malcolm Turnbull to lash out at state regulations that have encouraged what he believed was too heavy a reliance on renewable energy: the Australian Energy Market Operator found that the blackout was caused by too sensitive protection mechanisms at some wind farms in South Australia. And, of course, there was no adequate energy storage capacity.

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Tesla won the tender for the installation in July and now, according to South Australia’s Energy Minister Tom Koutsantonis, work is on track to turn the switch on in two months, when…