‘Water Batteries’ Could Store Solar and Wind Power for When it’s Needed

solar panels on home roof next to large body of water under partly cloudy blue sky rltheis t20 kj2Y8r e1665759083647 'Water Batteries' Could Store Solar and Wind Power for When it's Needed


  • The San Diego County Water Authority has developed a plan to store solar power, so it is available after sunset.
  • They plan to connect underground pipes under the San Vicente Reservoir to small pipes built in a nearby canyon about 1100 feet in elevation.
  • When the sun goes down, a valve would open and force 8 million tons of water down the pipes, which would drive turbines capable of generating 500 megawatts of electricity.

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