A peak shaving ESS stores electricity in a battery during off-peak hours at night when electricity use and prices are low, and allows plants to use the stored electricity during the peak hours of daytime, thereby lowering the cost of the electricity used.
Dynamic peak shaving automatically manages energy usage by discharging stored energy from the battery when demand exceeds the contracted capacity. This prevents overloading, ensures grid stability, and avoids costly demand charges. It makes sure you have sufficient energy during.
Deploying battery energy storage systems (BESSs) has emerged as an effective solution to mitigate the peak shaving and valley filling burden on thermal power units, improve the smoothness of load profiles, and enhance the operational flexibility of distribution networks.
What is peak shaving and how does it reduce electricity costs? Peak shaving is the practice of reducing electricity consumption during periods of highest demand in order to limit demand peaks and lower electricity costs.
We present a streamlined calculation to determine the required “equivalent hours of energy storage” at the balancing authority level. Our approach quantifies the energy storage durations required to meet peak demand, subject to regional load profiles and renewable generation patterns.