SA premier Jay Weatherill is scheduled to this week release his energy plan for SA following the recent spate of blackouts and debate over renewable energy.
Adelaide-based Zen Energy declared it is ready to start building a 100-megawatt hour battery farm in South Australia's Spencer Gulf that will cost $100 million and be ready by next summer, and two other local firms put their hands up to say they could do the work.
But Mr Musk's drive to win the work for Tesla has got off to a blistering start after software billionaire Mike Cannon-Brookes offered to raise the funds and clear the political hurdles in a week.
Mr Cannon-Brookes said on Saturday he had enough offers of financial support to build as many as 10 of Tesla's originally proposed 100 megawatt hour battery farms.
Zen Energy was one of three rival battery suppliers, along with Lyon Solar and Carnegie Energy, who said they could deliver battery solutions to South Australia's power woes just as well as Tesla.
They will have to match Tesla's pricing, after Mr Musk quoted a low $US250 per KWh late on Friday, equal to $US25 million per 1000 MWh and half the rate cited by Tesla executives only a day earlier.
"The elaborate and detailed preparatory arrangements for integrating a large-scale battery farm into the grid have been done and the Zen battery project will be ready to assist in stabilising the South Australian grid over the next summer," Professor Garnaut told The Australian Financial Review.
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