On Friday, for unknown reasons, one of the blocks caught fire at a Tesla Megapack-based electricity storage under construction in Australia, which is equipped with batteries with a total capacity of 450 MWh . Over the weekend, the situation worsened - the fire spread to the nearest 13-ton battery pack. Thus, for the fourth day in a row, firefighters have to fight the fire without using extinguishing water.
Even the lack of voltage in the electrical system of the battery pack, as the participants in the events explain in the comments to The Guardian , does not allow the use of water to extinguish the fire. The classic method in this situation only increases the burning time of the battery pack. After consulting with Tesla, which is the supplier of batteries for the facility, the firefighters developed the following tactics - they try to cool the objects surrounding the combustion center as much as possible to contain the spread of fire and wait for burnout at the epicenter.
Now the personnel involved in extinguishing the fire are engaged in the fact that one by one opens the doors of the battery blocks in order to check for signs of combustion or an increase in temperature beyond acceptable limits. By the end of the day, firefighters hope to open and inspect all blocks on the site. According to them, this is the first fire in the history of mankind that happened at a battery facility of this scale, designed for buffer storage of electricity.
The power storage facility in the Australian state of Victoria is set to become the largest in the world. With a total capacity of 450 MWh, it will be able to supply electricity to consumers with a total capacity of 300 MW. The commissioning of the facility was scheduled for December this year, but it is difficult to predict whether it will be possible to meet the deadlines as a result of the fire. The contractor for the construction of the facility is the French company Neoen, which in neighboring South Australia has already erected a similar facility with a total capacity of 150 MW in just one hundred days.
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