Tesla presents new battery for utility-scale projects

The Megapack battery system. Source: Tesla Inc

July 30 (Renewables Now) - Elon Musk’s Tesla Inc (NASDAQ:TSLA) on Monday introduced a new battery storage product specifically designed for utility-scale projects.

The so-called Megapack includes battery modules, bi-directional inverters, a thermal management system, an AC main breaker and controls. It comes fully-assembled with up to 3 MWh of storage and 1.5 MW of inverter capacity and enables projects of more than 1 GWh in scale.

The system requires 40% less space at the project site and 10 times fewer parts than current offerings on the market, Tesla claims. It also says the Megapack can be installed 10 times faster than current systems. More specifically, it estimates it can deploy a 250-MW/1-GWh power plant in less than three months on a three-acre footprint.

The company said that with this addition to its offerings it seeks to meet the global demand for massive battery storage projects like the one it realised in Hornsdale, South Australia, using its smaller Powerpack batteries. That 100-MW/129-MWh system was hooked to Neoen's Hornsdale wind farm.

Tesla noted that the Megapack will act as a sustainable alternative to natural gas peaker power plants for utility-scale installations. One example is the upcoming Moss Landing project in California with local utility Pacific Gas and Electric Co (PG&E). It consists of four sub-projects totalling 567.5 MW/2,270 MWh, including a 182.5-MW/730-MWh installation by Tesla.

Last week, Tesla reported a record 415 MWh of first-half deployments of the Powerwall and Powerpack batteries, representing growth of 81% quarter-on-quarter and 104% year-on-year.

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