By charging the battery at off- peak times, consumers can buy cheap energy and store it with their BESS. Then, they can wait until the electricity price rises and discharge the battery to either use low-cost energy or sell it to the grid. Thus, households and businesses can effectively manage energy resources, cutting down on their costs.
Instead of using a diesel generator, consumers can take to a battery storage system—a cheaper and greener black start solution. A BESS can work independently of the grid’s transmission line and supply energy for the time required—from minutes to hours.
Frequency and Voltage Control
Frequency and voltage can go outside their operating limits if the power supply is out of sync with its actual demand. This may lead to the loss of power and blackouts. A BESS can ensure the stability of an electricity grid or power system through voltage and frequency regulation. Because of its fast response time, a battery energy storage system becomes an efficient grid balancing solution.
Power backup
A BESS can provide energy to homes, businesses, and other
Load management
facilities, ensuring their continuous operation. This is of vital importance for healthcare institutions and other organizations that deliver services connected with people’s health and safety. Depending on the storage capacity, a BESS can supply backup power as long as it takes, even in the case of a severe grid failure.
Energy is consumed differently throughout the day and based on the season—there are on-peak and off-peak times. A BESS allows users to navigate between these periods, adjust energy consumption, and save on electricity costs. Peak shaving is one of the most popular BESS use cases in load management. This is about reducing power consumption during peak periods. Along with that, consumers can cut their expenses just like with energy arbitrage. A battery storage solution can help avoid peak loads on an electricity grid and, consequently, blackouts and other emergencies. By discharging the stored energy, a BESS takes the load off the grid and supplies power without interruption.
Microgrids
These are small electric grids that can supply electricity to commercial buildings, manufacturing plants, or neighborhoods when connected to a larger grid. Autonomous
Figure 3: A microgrid can act as a resilient power system for remote areas and communities, such as islands. (Image source: Integra Sources LLC)
Black start
A BESS can help power stations and electricity grids restore quickly after power outages.
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