A few months ago , Elon Musk wager he could build the macrocosm ’s biggest barrage in Southern Australia in100 days or it would be free . Now that the countdown has bulge , he has denote that the battery is already half complete .

Musk talk over the battery ’s status at an event last Friday in Jamestown , where the project is under construction . There he signed a contract with transmission company Electranet to join the battery to the electric grid , think that the bet is most definitely on .

The administration has given an operational deadline for the project of December 1 , furnish roughly two months   for the telling technical endeavor   to be   land up and connected to the power grid . Southern Australia suffered electrical shortages last year , and the deadline is necessary to   keep these from pass off again as the Australian summertime approaches .

" To have that [ construction ] done in two calendar month … you ca n’t remodel your kitchen in that period of clock time , " Musk joked during the event , as cover byABC News . " This serves as a great example to the relaxation of the public of what can be done . "

The battery is going to be the prominent lithium - ion battery ever constructed . It ’s expected to store 129 megawatt   minute of electrical vim , beating the current record bearer , which is owned bySDG&Eand located in Southern California . It will be constructed next to the 100 - megawatt Hornsdale Wind Farm , have by French push party Neoen , meaning that the wind turbines could charge the battery in   just over an minute . The assault and battery is expected to be able-bodied to power about 30,000 habitation .

Musk also commented on how Australia could make a move towards renewable energy and energy independency . He claimed the intact country could be powered by 1,890 square kilometers ( 730 square naut mi ) of solar panels . This renewable mesh would be helped by 7 substantial kilometer ( 2.7 substantial geographical mile ) of batteries . And , having bought SolarCity , Musk   can offerpanelsas well as batteries .

The battery is expected to be around $ 39 million ( USD ) to the South Australian government and is part of a heavy investment by the local government to build a reliable renewable energy infrastructure .

[ H / T : ABC News . ]