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The $450 million Tesla Megapack battery energy storage facility is the Melbourne Renewable Energy Hub in Victoria, Australia—a massive 600 MW / 1.6 GWh grid-scale project featuring 444 Tesla Megapacks.Fully operational since late 2025, it powers ~200,000 homes during peak evening demand, stabilizes the grid, and boosts renewable integration on Australia’s National Electricity Market.It’s one of the largest operational battery projects in the world (and the biggest completed on the NEM grid at launch), devel ...