Tesla/Neoen wins SA renewable storage project


Elon Musk's Tesla has been selected in a competitive bidding process to provide a 100 MW/129 MWh Powerpack power storage system to be paired with Neoen’s Hornsdale Wind Farm near Jamestown in South Australia.

To be completed by December under Musk's promise of '100 days or its free', the system will be the largest lithium-ion battery storage project in the world – three times more powerful than any existing system - and will provide enough power for more than 30,000 homes.

The South Australian government called for expressions of interest in a big battery to store renewable energy following the state-wide power blackouts caused by storm damage to infrastructure in September last year and heavy demand during extreme heat in summer. The Tesla/Neoen bid for the project was selected ahead of 90 other expressions of interest from around the world.

To be built in Jamestown, the Tesla Powerpack array of batteries will charge using renewable energy from the Hornsdale Wind Farm and then deliver electricity during peak hours to help maintain the reliable operation of South Australia's electrical infrastructure.

According to Musk, the system will help solve power shortages, reduce intermittencies, and manage summertime peak load to improve the reliability of South Australia's electrical infrastructure.

The storage system will be a modular array of Tesla commercial-scale Powerpack batteries located near to the Hornsdale wind farm, currently under construction to the north of Jamestown. It will be store up to 129 megawatt hours (MWh) of energy and be capable 100 megawatts (MW) of power at a time.

The wind farm will consist of 99 wind turbines capable of delivering 315 MW or approximately 1,050,000 mega watt hours into the national grid each year.

Under the agreement, the SA Government will make an undisclosed financial contribution to the project, and will have access to to 70 per cent of the battery's output at times to avoid blackouts.

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