Yesterday, we reported on 1.5 MWh Tesla Powerpack project at the Brea Mall. If you think that it’s an interesting project, wait until you hear about Tesla Energy’s latest energy storage contract with Southern California Edison.

Tesla announced today that it won a contract for the “largest li-ion battery project in the world”. It will deploy a 20 MW/80 MWh Powerpack system at the Southern California Edison Mira Loma substation.

The company won the contract last week through what it described as a “competitive” solicitation process.

In a blog post about the new contract (see in full below), Tesla references Southern California Edison soliciting utility-scale storage solutions following the shutting down of the Aliso Canyon natural gas reservoir after the catastrophic rupture last year that led California Governor Jerry Brown to issue a state of emergency.

Tesla didn’t disclose the value of the contract, but extrapolating from the value from Tesla’s ‘Design Your Powerpack System‘ tool on its website, which stops at 54 Powerpacks, would add up to ~$38 million – though it’s safe to assume that Tesla offers a discount for the larger volumes.

We are talking about an installation with 800 Powerpacks. Here’s a rendering of what a utility-scale Powerpack project could look like:

Here’s the blog post in full: