Storing even 10% of US electricity usage from summer to winter could be in the tens of trillions of dollars. Spending $10,000 to store $2 of electricity in a ba

Storing even 10% of US electricity usage from summer to winter could be in the tens of trillions of dollars. Spending $10,000 to store $2 of electricity in a battery is not scalable. Other forms of energy storage are the future.