Gridstack Pro™ system supports U.S. manufacturing and delivers reliable, dispatchable energy for Arizona’s growing electricity demandARLINGTON, Va., Jan. 15, 2026 (GLOBE NEWSWIRE) -- Fluence Energy, Inc. ("Fluence") (NASDAQ: FLNC), a global market leader delivering intelligent energy storage systems, services, and asset optimization software, today announced it will supply its advanced Gridstack Pro™ energy storage solution for the Pioneer Clean Energy Center. The project, located in Yuma County, Arizona, i ...