What are the functions of wind and solar energy storage

How do solar and wind power systems work?

Solar and wind facilities use the energy stored in batteries to reduce power fluctuations and increase reliability to deliver on-demand power. Battery storage systems bank excess energy when demand is low and release it when demand is high, to ensure a steady supply of energy to millions of homes and businesses.

Why do we need energy storage?

Because power systems are balanced at the system level, no dedicated backup with energy storage is needed for any single technology. Storage is most economical when operated to maximise the economic benefit of an entire system. Don’t we need storage to reduce curtailment?

How does wind energy work?

Unlike solar power, wind energy is generated by converting the kinetic energy of moving air into mechanical energy, which is then used to generate electricity. Wind turbines, typically found in large wind farms, consist of blades that spin when the wind blows, driving a generator that produces electricity.

Why is solar storage important?

It can provide diurnal load shifting to help balance the diurnal production profile of solar. It can provide fast responses such as primary and secondary frequency reserves which help maintain system balance in the seconds to minutes time scale. Storage can also help postpone transmission and distribution upgrades.