The Pillswood Project, Europe’s biggest battery energy storage system, has been fired up near Hull in Yorkshire, U.K. The system can provide electricity for about 300,000 homes for two hours, thanks to the output of a Tesla two-hour Megapack system.

The 98 MW project developed by Harmony Energy Limited is engineered to store up to 196 MWh of electricity in a single cycle and is designed to provide balancing services to the grid, enabling the integration of renewable power. The battery energy storage system is sited next to the Creyke Beck substation, which will act as a grid-connection point for two phases of the world’s largest offshore wind farm, Dogger Bank.

[See also: Tesla's 'Megapack' batteries aren't a fire hazard, but lithium sure is]

The battery facility will be operated by application of Autobidder, the algorithmic trading platform developed by Tesla. Pillwood was originally scheduled to be energized in two phases in December 2022 and March 2023, but construction was accelerated to enable both phases to start operations in November 2022.

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