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Power grids realize stable power supply by optimally balancing supply and demand. But as the use of solar power and other renewable energy sources, which have unstable output, continues to increase, power supply to the entire grid could become unstable. This presents a variety of challenges.
To overcome such challenges, we need technology that "stores electrical power". By storing electrical energy in energy storage systems, electrical load can be equalized, promoting the efficient use of energy. Energy storage systems can also serve as back-up power sources in emergencies.
Similarly, providing 24/7 electricity in areas with intermittent electricity or no electricity at all can be very challenging and expensive. The rising price of diesel fuel and other energy sources has resulted in expenditure increases for service providers. These high operating expenses have led to the development of alternative renewable sources of energy and energy storage.