Fire energy storage business park

What happened at an energy storage system in Surprise AZ?

In 2019, a fire and explosion at an energy storage system in Surprise, AZ, near Phoenix, was triggered by an overheated lithium-ion battery injuring several first responders and resulting in significant damage to the facility and disruption to the surrounding community.

What is a battery energy storage system?

As the world transitions to renewable energy, Battery Energy Storage Systems (BESSs) are helping meet the growing demand for reliable, yet decentralized power on a grid scale. These systems gather surplus energy from solar and wind sources, storing it in batteries for later discharge.

What is an energy storage system (ESS) enclosure?

An energy storage system (ESS) enclosure typically comprises multiple racks, each containing several modules (Figure 1). These modules consist of numerous lithium-ion (Li-ion) cells, which function as rechargeable batteries designed to store and discharge electrical energy.