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Tesla Launches Megapack

Tesla battery / Click to Enlarge.

Tesla has introduced a utility-scale energy storage system dubbed Megapack, with up to 3 MWh of storage capacity and 1.5 MW of inverter capacity, the company said in a blog post.

According to Tesla, the Megapack sports 60 percent higher energy density than the Powerpack—Tesla’s household energy storage system—and is easy to install and connect.  In fact, Tesla says, using the Megapack, it could build a 250-MW/1GWh power plant that is emissions-free within three months.

Megapack installations can also be used as an alternative to gas peaker plants, and Tesla is already working on a project with PG&E in California where it will deploy the new storage systems.  The project involves the construction of a 182.5 MW lithium-ion battery storage system at PG&E’s Moss Landing substation.

“Peaker power plants fire up whenever the local utility grid can’t provide enough power to meet peak demand,” the company said.  “They cost millions of dollars per day to operate and are some of the least efficient and dirtiest plants on the grid.  Instead, a Megapack installation can use stored excess solar or wind energy to support the grid’s peak loads.”

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