The installation of the giant Tesla battery at the PG&E electric substation in Moss Landing continues, and the facility has almost already taken its final shape. At the moment, all 256 Megapacks have already been installed there, and the installation of additional equipment continues, after which the battery will be put into operation.
In July 2020, Pacific Gas and Electric Company (PG&E) and Tesla began construction of a 182.5-megawatt (MW) lithium-ion battery energy storage system (BESS) at PG&E’s electric substation in Moss Landing in Monterey County. The first Tesla Megapack was installed in early October, marking the start of construction on one of the world's largest lithium-ion energy storage systems. At the moment, the construction is going according to plan, and the installation of all Megapacks has already been completed.
EKMMetering/YouTube video demonstrates significant progress at the construction site. In four months, 256 Megapacks were installed on 33 concrete slabs. At the moment, the installation of additional equipment continues, after which, in a few months, the facility will be officially put into operation. The system is designed, built, and maintained by PG&E and Tesla, and will be owned by PG&E. PG&E aims to launch the system in Q1 2021 and fully operationalize it in Q2 2021.
PG&E predicts Moss Landing BESS will save more than $100 million over a 20-year lifespan. The BESS will have the capacity to store and dispatch up to 730-megawatt hours (MWh) of energy to the electrical grid at a maximum rate of 182.5 MW for up to four hours during periods of high demand. PG&E's agreement with Tesla contains an upsize option that can increase the system's capacity to up to six hours or 1.1-Gigawatt hour (GWh) total.
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