The total energy stored is relatively tiny, but devices want a smooth electrical signal not just energy from a wire.
Ideally you want an instant response time and GWh of energy storage on the cheap, but that instead grid operators use many different systems to simulate that.
https://www.popularmechanics.com/science/energy/a4889/433775...
The total energy stored is relatively tiny, but devices want a smooth electrical signal not just energy from a wire.
Ideally you want an instant response time and GWh of energy storage on the cheap, but that instead grid operators use many different systems to simulate that.