I can't read the whole article as it's paywalled, but source of the claim comes from CAISO, and they've referring to 5GW of actual network capacity for "up to f

I can't read the whole article as it's paywalled, but source of the claim comes from CAISO, and they've referring to 5GW of actual network capacity for "up to four hours" http://www.caiso.com/Documents/new-storage-milestone-reached-for-the-california-grid-more-than-5000-mw-now-available-for-dispatch.pdf http://www.caiso.com/Documents/new-storage-milestone-reached... This is actually a serious amount of power storage > Technically my car battery could produce 5,600 megawatts Technically it can't