How California Wildfires Are Driving Energy Storage Beyond Lithium-Ion

California needs batteries. When California is on fire, it needs batteries that can keep a home, a hospital, a fire station, a senior center running longer than the four-hour standard of lithium-ion.

“What’s happened that’s brought this to bear has been the wildfires and the contingency issues we have in the PSPS (public-safety power shut-off) events,” said Mike Gravely, research program manager for the California Energy Commission.

“In November of last year over two million resident people in California were impacted by wildfire PSPS events” in which utilities shut down portions of the grid to prevent equipment from sparking fires during flammable conditions. “The average short outage was 11 hours, and some of it went as high as three to five days.”

During those

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