Record breaking Tesla Supercharger with 12 trailer piles is entirely off-grid

After just eight months in the making, Tesla has flipped the switch on the world's biggest Supercharger station. Located in Lost Hills, California, it features the jaw-dropping 168 stalls, but only half were operational when it first opened just in time for the 4th of July travels.

Tesla has now powered the remaining 84 stalls for Thanksgiving, with the help of 11 MW of solar power delivered by ten Megapack energy storage systems with a combined capacity of 39 MWh. The largest Supercharger station isn't even connected to the local utility grid and is entirely powered by the sun.

The only small utility connection Tesla runs there is set to serve the future expansion of the giant Supercharger site, as it plans to add even more stalls and services. The world's biggest Supercharger station includes a dozen of the big pull-through stalls, which are meant to charge vehicles that are towing trailers without the need to unhitch them.

Tesla ran the numbers and saw a hefty charging infrastructure deficit brewing for the Thanksgiving holiday travels all along the route from San Francisco to LA. Since it couldn't wait for a utility connection, it decided to power the huge station with Megapacks and solar canopies over the 168 stalls.

This allowed it to deliver the whole record-breaking Supercharger site in less than eight months from the moment construction started. Tesla is now using prefabricated Supercharger stalls and an ingenious way to erect them on a foundation without having to pour concrete. This speeds up the process significantly and allow it to build Supercharger sites much faster and cheaper than the competition so that it usually wins public charging infrastructure grants.

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