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Published on November 23rd, 2017 | by James Ayre


Tesla Completes World’s Largest Li-ion Battery (129 MWh) In South Australia (#NotFree)

November 23rd, 2017 by  

Tesla has now finished construction work on the 129 megawatt-hour (MWh) energy storage facility that it was contracted to build in South Australia, the government of the region has revealed.

The news means that Tesla has finished construction well before its self-imposed 100-day deadline — which means that Tesla won’t be providing the installation free of charge to South Australia (the promise had been “100 days from contract signature or it is free”). To clarify, that meant within 100 days of the signing of a grid connection agreement (which was signed on September 29th).

The facility reportedly now represents the world’s largest lithium-ion battery energy storage installation — dwarfing most others. The large size was important to help South Australia avoid power supply issues, which have been topics of much news coverage and political rugby ball in recent times.

Reuters provides more context on how quickly Tesla got the job done, and touches on other matters I’m sure readers are interested in: “When the grid connection deal was signed on Sept 29, Tesla was already half way through installing the battery packs. The Tesla Powerpacks have now been fully installed at a wind farm run by France’s Neoen, and testing is set to begin to provide grid security services in South Australia. … The state has yet to say how much it would pay for the battery, which is part of a A$510 million ($390 million) plan that includes diesel-fired generators to help keep the lights on following a string of blackouts over the past 18 months.”

“While others are just talking, we are delivering our energy plan, making South Australia more self-sufficient, and providing back up power and more affordable energy for South Australians this summer,” commented South Australia Premier Jay Weatherill.

While the new energy storage installation will no doubt be helpful in dealing with grid supply over the coming years, there will still be a tight power supply this summer — particularly in South Australia and in Victoria — owing to the recent closure of a large coal-fired power plant. That’s according to Australia’s energy market operator. So, don’t expect that this giant 129 MWh Tesla Powerpack facility gets the region completely out of the woods.

South Australia is also one of the world’s leader’s in rooftop solar (in many respects, it may be #1). For more on that, see: Rooftop Solar Provides 48% Of South Australia Power, Pushing Grid Demand To Record Low.

If you missed the backstory to this giant Tesla battery project, read on by clicking the following links …

Musk Says He Can Solve Australia Grid Storage Problem In 100 Days Or Fewer (#ElonTweets)

Tesla To Install World’s Largest Grid-Scale Battery In South Australia

Musk’s Plan For South Australian Grid Storage Spurs Competition

Tesla Has 100 Days To Finish Building South Australia’s 129 MWh Energy Storage Facility … Or Its Free

Tesla Using Samsung SDI Battery Cells In 129 MWh South Australia Facility

Musk Praises South Australia’s “Gumption” For Commissioning World’s Largest Battery Storage Plant


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About the Author

James Ayre's background is predominantly in geopolitics and history, but he has an obsessive interest in pretty much everything. After an early life spent in the Imperial Free City of Dortmund, James followed the river Ruhr to Cofbuokheim, where he attended the University of Astnide. And where he also briefly considered entering the coal mining business. He currently writes for a living, on a broad variety of subjects, ranging from science, to politics, to military history, to renewable energy.

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