batteries have been transformative for California, state officials say. In late afternoon, when the sun stops hitting solar panels and people are home using electricity, batteries now push stored solar energy onto the grid.

California has invested heavily in the technology, helping it mature and get cheaper in recent years. Battery storage in the... See more

Resiliency is DERs killer app. I’d like to do a study of how much search traffic from users asking “how can I install a battery in my house?” spikes after wildfires in CA, hurricanes in NY, or big freezes in Texas once again knock out the power grid. This is a now universal problem and overtime, resiliency benefits will lead to more and more users... See more

We need very large (multi-gigawatt-hour) storage for big cities and megacities, but so far the only viable option to serve them is pumped hydro storage (PHS): it uses cheaper nighttime electricity to pump water from a low-lying reservoir to high-lying storage, and its discharge provides instantly available generation.[76] With renewably generated

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