What Is a Battery Energy Storage System?
A Battery Energy Storage system is a technology that stores electric energy. The system uses several batteries to store electricity. The batteries are charged and then released as needed. Battery storage is an increasingly popular option for renewable energy producers. In fact, many forward-thinking businesses have already adopted battery energy storage systems. If you are interested in learning more about battery energy storage systems, please read on.
Why is battery storage important and what are its benefits?
Energy storage is a critical piece in the clean energy transition. It helps balance the grid and produce electricity at the best times. It also allows the energy to be stored and released at strategic times.
Battery storage helps make renewable energy sources more economical and reliable. It can also reduce peak demand charges. Peak demand is the highest rate of electricity usage in a particular period of time. Demand is typically measured in kilowatts and is calculated based on the 15-minute average of the highest demand.
Battery storage also helps utilities store excess energy in case of emergencies and reduces strain on the electrical grid. Using batteries reduces the need for expensive upgrades of the grid. It can also provide supplemental electricity for a number of purposes, including medical care and data centers. They can be scaled to increase capacity when needed and are a valuable resource for utilities and producers.
How exactly does a battery storage system work?
A battery energy storage system is a multi-component system that can supplement a grid or generator. The system collects energy from the grid and then stores it in batteries. These batteries are recharged from excess power generated by a generator or grid. Using a battery energy storage system can help reduce utility costs, save money, and improve the environment.
Intelligent battery software uses algorithms to coordinate energy production and computerised control systems are used to decide when to keep the energy to provide reserves or release it to the grid. Energy is released from the battery storage system during times of peak demand, keeping costs down and electricity flowing.
What renewable energy storage systems are being developed?
Renewable energy storage requires low-cost technologies with extended lifetimes (charging and discharging thousands of times), are safe, and can store enough energy cost effectively to meet demand.
A British scientist invented lithium-ion batteries in the 1970s, and Sony used them for the first time commercially in 1991, for the company’s portable video recorder. While they are now the most economically effective energy storage technology, a number of other battery storage technologies are being explored. These are some examples:
- Compressed air energy storage: Surplus electricity is utilized to compress and store air in these systems, which are often located in enormous chambers. When energy is required, the compressed air is released and travels through an air turbine, which produces electricity.
- Mechanical gravity energy storage: One example of this type of device is when energy is used to move concrete blocks up a tower. When the energy is required, the concrete blocks are lowered again, generating electricity by gravity’s pull.
- Flow batteries: Chemical energy is provided by two chemical components dissolved in liquids contained within the system and separated by a membrane in these batteries, which are essentially rechargeable fuel cells.