Electric vehicle (EV) charging companies are on the rise, with the growing popularity of EVs and the push towards sustainable transportation. As more and more EVs hit the road, it’s becoming increasingly important for charging companies to find ways to provide reliable and cost-effective charging services to their customers. One of the ways that EV charging companies are achieving this is by using battery energy storage systems.
Battery energy storage systems can be thought of as large-scale batteries that are used to store energy and release it as needed. These systems are becoming more common in a variety of industries, including renewable energy, where they are used to store excess energy generated by wind and solar power.
But why would EV charging companies use battery energy storage systems? Here are a few reasons:
- Balancing power demand: Charging EVs requires a significant amount of power, and during peak demand periods, this can put a strain on the grid. By using battery energy storage systems, charging companies can store energy during off-peak hours and release it during times of high demand. This helps to balance the power demand on the grid and reduce the risk of power outages.
- Cost savings: Electricity rates can vary significantly depending on the time of day and the level of demand on the grid. By using battery energy storage systems, charging companies can take advantage of lower electricity rates during off-peak hours and store the energy for use during peak demand periods. This can help to reduce the overall cost of charging for both the charging company and the EV owner.
- Energy resiliency: Battery energy storage systems can provide backup power in the event of a power outage or other disruptions to the grid. This can be especially important for charging stations located in areas prone to natural disasters or other emergencies.
- Maximizing renewable energy: Many EV charging companies are committed to using renewable energy sources to charge EVs, but these sources can be intermittent and can’t be relied upon to provide a consistent supply of energy. Battery energy storage systems can be used to store excess energy generated by renewable sources and release it as needed to charge EVs.
In essence, using battery energy storage systems can help EV charging companies to provide more reliable, cost-effective, and sustainable charging services to their customers. As the demand for EVs continues to grow, it’s likely that we’ll see more and more charging companies adopting this technology to meet the needs of their customers and contribute to a cleaner, more sustainable future.
Benefits of a DC-coupled battery
A DC-coupled battery energy storage system (BESS) can offer several benefits for EV charging companies compared to an AC-coupled system. Here are some of the benefits of using a DC-coupled BESS for EV charging companies:
- More efficient charging: One of the main advantages of a DC-coupled system is that it allows for more efficient charging. With an AC-coupled system, the electricity has to go through an additional conversion process from AC to DC before it can be used to charge the vehicle. This conversion process can result in energy losses and reduce the charging efficiency. In a DC-coupled system, the BESS is directly connected to the charging station, allowing for a more direct and efficient flow of electricity.
- Faster charging speeds: Because DC charging is more efficient than AC charging, a DC-coupled BESS can help to reduce the overall charging time for EVs. This is especially important for fast-charging stations, where drivers expect to be able to quickly recharge their vehicles.
- Reduced infrastructure costs: A DC-coupled system can also help to reduce infrastructure costs for EV charging companies. With an AC-coupled system, additional equipment such as inverters and transformers may be required to convert the electricity to the correct voltage and frequency for the charging station. In a DC-coupled system, the BESS can directly supply the charging station with the necessary DC voltage, reducing the need for additional equipment.
- Increased system reliability: A DC-coupled system can also offer increased system reliability compared to an AC-coupled system. With an AC-coupled system, if the inverter fails, the entire system may be affected, including the charging station. In a DC-coupled system, the charging station and the BESS can operate independently, reducing the risk of downtime or system failures.
Overall, a DC-coupled BESS can offer several benefits for EV charging companies, including more efficient and faster charging, reduced infrastructure costs, and increased system reliability.
Axalton’s SMARTESTORAGE is designed as a DC-coupled battery to meet the challenging demands of the EV charging industry.