Compressed air energy storage involves compressing air in an underground cavern or other suitable storage facility and releasing it to generate electricity when needed.

Pumped-storage hydroelectricity utilizes mechanical energy storage by pumping water uphill to a reservoir and releasing it through a turbine to generate electricity.

Battery energy storage involves the conversion of electrical energy into chemical energy through electrochemical reactions, allowing for the storage and release of energy.

Flywheel energy storage systems store energy in the form of mechanical energy by spinning a flywheel at high speeds, which can then be converted back to electrical energy when needed.

Thermal energy storage systems, such as molten salt energy storage, utilize the heat of molten salts to store energy, which can be used to generate electricity or provide heat when needed.

Superconducting magnetic energy storage (SMES) systems store energy in the form of magnetic energy by creating a superconducting coil and passing an electric current through it.

Hydrogen energy storage involves the conversion of electrical energy into hydrogen through electrolysis and the subsequent conversion of hydrogen back to electricity through fuel cells.

Pumped-storage hydroelectricity utilizes mechanical energy storage by pumping water uphill to a reservoir and releasing it through a turbine to generate electricity.

Battery energy storage involves the conversion of electrical energy into chemical energy through electrochemical reactions, allowing for the storage and release of energy.

Flywheel energy storage systems store energy in the form of mechanical energy by spinning a flywheel at high speeds, which can then be converted back to electrical energy when needed.

Thermal energy storage systems, such as molten salt energy storage, utilize the heat of molten salts to store energy, which can be used to generate electricity or provide heat when needed.

Superconducting magnetic energy storage (SMES) systems store energy in the form of magnetic energy by creating a superconducting coil and passing an electric current through it.

Hydrogen energy storage involves the conversion of electrical energy into hydrogen through electrolysis and the subsequent conversion of hydrogen back to electricity through fuel cells.

Pumped-storage hydroelectricity utilizes mechanical energy storage by pumping water uphill to a reservoir and releasing it through a turbine to generate electricity.

Battery energy storage involves the conversion of electrical energy into chemical energy through electrochemical reactions, allowing for the storage and release of energy.