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Tesla reveals new Megapack utility-scale battery



The global battery energy storage market is taking off, with analysts from Wood Mackenzie suggesting that it could see a thirteen-fold increase in storage capacity over the next six years. Tesla, which has been one of the leading players in this market, has this week made a move to cement this position with the unveiling of its new ‘Megapack’ utility-scale storage battery.
Tesla reveals new Megapack utility-scale storage battery
(Image via Tesla).

Tesla has a track-record of pushing the boundaries of battery energy storage, having built and installed the world’s largest lithium-ion battery in Hornsdale, South Australia only two years ago. Built using Tesla Powerpack batteries, the facility has gone on to save nearly $40 million for the state of South Australia as well as helping to stabilise and balance the region’s previously unreliable grid.

But with the Megapack Tesla is pushing the boundaries yet further.

Tesla claim that the Megapack significantly reduces the complexity of large-scale battery storage and provides an easy installation and connection process. Each megapack comes from the factory fully-assembled with up to 3 megawatt hours (MWhs) of storage and 1.5 MW of inverter capacity, building on Powerpack’s engineering with AC interface and 60% increase in energy density to achieve significant cost and time savings compared to other battery systems and traditional fossil fuel power plants. Using Megapack, Tesla states it can deploy an emissions-free 250 MW, 1 GWh power plant in less than three months on a three-acre footprint – four times faster than a traditional fossil fuel power plant of that size. Megapack can also be DC-connected directly to solar, creating seamless renewable energy plants.

Tesla has also developed its own software in-house to monitor, control and monetise Megapack installations. According to a statement from the company, all Megapacks connect to ‘Powerhub’, an advanced monitoring and control platform for large-scale utility projects and microgrids, and can also integrate with Autobidder, Tesla’s machine-learning platform for automated energy trading. Tesla customers have already used Autobidder to dispatch more than 100 GWh of energy in global electricity markets. And, just as Tesla vehicles benefit from continued software updates over time, Megapack continues to improve through a combination of over-the-air and server-based software updates.

Tesla’s Megapack has already secured its first customers, with PG&E’s upcoming Moss Landing project in California set to make use of Tesla’s new battery solution as an alternative to natural gas ‘peaker’ power plants.

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Tesla reveals new Megapack utility-scale battery - Time to read 3 min
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