Tesla Megapack battery could power San Francisco for 6 hours

Image Tesla

Image Tesla

It's been two years since Tesla hit the switch on the world's largest battery in South Australia - you know, the one Elon Musk made a bet to build in 100 days or he'd pay for it.

A system of Megapacks is more cost-effective and can be installed faster than a fossil-fuel power plant, Tesla says, and the Megapacks can store energy generated by wind turbines or solar panels.

The Megapack, unveiled in a Tesla blog post on Monday, was designed for easy installment.

Each Megapack product is shipped fully assembled and delivers up to 3MWhs of storage and 1.5MW of inverter capacity.

Battery storage is transforming the global electric grid and is an increasingly important element of the world's transition to sustainable energy.

Sanders leads group to Canada
The Windsor, Ont., trip is apparently meant to highlight the huge difference in the cost of the drug between Canada and the U.S. Because insulin is non-prescription in Canada, there is no way to track how much of the drug might be heading south.

The Tesla Hornsdale project saved nearly $40 million in its first year. PG&E will use Megapacks as alternatives to natural gas peakers for its in-progress Moss Landing project in California.

"Peaker power plants fire up whenever the local utility grid can't provide enough power to meet peak demand", the company said. This could not only avoid the need for dirty power, but save the utility from spending "millions of dollars" each day to keep the peakers running.

Tesla had previously used its industrial-size Powerpack batteries for large-scale projects, but says the Megapack has 60% more energy density.

Tesla has also developed its own software named PowerHub to monitor and control Megapack installations. And, just as Tesla vehicles benefit from continued software updates over time, Megapack continues to improve through a combination of over-the-air and server-based software updates.

US grid-connected energy storage capacity this year is set for a twofold increase to 712 MW from 376 MW last year.

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