current

Dave

Joined Nov 17, 2003
6,970
Capacitors store electrical charge (energy). Given that "power" is the time-rate dissipation of energy could you be clearer about the question "how can we store ac power generated"?

Dave
 

beenthere

Joined Apr 20, 2004
15,819
One way is to use "excess" power to pump water up into a resevoir. When demand increases, the water flows down through turbines to generate power.
 
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