Lithium-ion batteries are rechargeable energy cells considered to have a “high-energy density,” meaning they can store a lot of energy. As an energy source, lithium-ion cells have been around for a while. Lithium-ion...

In April, an explosion at a utility-scale lithium-ion battery facility owned by Arizona Public Service (in place to store power from a solar energy array) sent eight firefighters to the hospital. The firefighters were there...

The market for residential energy-storage systems may be small, but it’s gathering speed. These systems require professional installation, so they represent a new market for electrical contractors. As manufacturers and...