In return, the South Australian Government will have the right to use the battery to prevent load-shedding blackouts.
"The world's largest lithium ion battery will be an important part of our energy mix, and it sends the clearest message that South Australia will be a leader renewable energy with battery storage", Weatherill said of the battery when it was completed in November. He told Reuters, "We think that's what's really going to accelerate the uptake of energy storage in Australia". That's no small feat considering the battery is the size of a football field and is capable of powering 30,000 homes.
The 100MW battery was switched on by South Australia's premier, Jay Weatherill on Friday, December 1 who said that it was "history in the making".
The facility which is being tested in the city of Jamestown is all set to launch officially soon and will be paired to the nearby Neoen Hornsdale Wind Farm for added stability.
The huge lithium-ion battery is fed from the nearby Hornsdale Wind Farm, and will support the reliability of South Australia's power grid.More news: Why I won't accept this National Football League 'charade': anthem protester
South Australia, which relies heavily on solar and wind-generated energy, has been scrambling to find a way to bolster its fragile power grid since the entire state suffered a blackout during a storm previous year.
The 100-megawatt (MW) battery, which is the world's largest, was built by Tesla in rural South Australia after Musk wagered a bet that he could built it in 100 days or the state would receive it for free.
Lithium-ion batteries have a greater charge cycle than conventional lead-acid batteries, and can respond within seconds.
Meanwhile, opponents of the South Australia's new pro-renewable energy solution argue that the battery is a "Hollywood Solution" in a country that still relies on fossil fuels, mainly coal, for two-thirds of its electricity.
Highlighting industry hopes for the take-up of battery storage, Tesla CEO Elon Musk visited the site some 225 kms (141 miles) north of the state capital Adelaide in July, hailing the battery as "just the beginning".