Tucson Electric Power (TEP) will build a large battery energy storage system in southeast Tucson to help satisfy customers’ everyday energy needs with solar energy. TEP’s Roadrunner Reserve system ...

Tucson Electric Power plans to build a second, large battery system in southeast Tucson to store solar and other energy until later in the day to meet peak power demand. TEP’s planned 200-megawatt ...

Colorado utility Platte River Power Authority has signed an agreement with NextEra Energy Resources to develop a large-scale battery energy storage system, part of a renewable power strategy that ...

Lithium-ion batteries have taken up permanent residence in our homes for years now. They're hidden in your phone and laptop, but they might also lurk in your electric toothbrush or your bike. Even ...

Arizona’s grid is getting a huge 200 MW Tesla lithium-ion battery energy storage system to support the state’s growing energy demand. Utility Salt River Project (SRP) and Flatland Storage, a ...