> relatively small demonstration projects. California has got really good at building giant batteries - At peak times they provide 30% of the state’s electrici

> relatively small demonstration projects. California has got really good at building giant batteries - At peak times they provide 30% of the state’s electricity (https://www.economist.com/united-states/2025/05/22/california-has-got-really-good-at-building-giant-batteries https://www.economist.com/united-states/2025/05/22/californi...) - The Economist. California is the 4th largest economy in the world by the way. A bit larger than a “small demonstration”.