Aug 15, 2025 - Hollowed into a mountain, this powerhouse works like a giant battery
Bad Creek Hydroelectric Station in Oconee County, S.C., is a 30-year-old pumped-storage hydro station that acts like a giant battery, storing and releasing energy to support grid reliability and clean power goals. See how Duke Energy`s hidden engineering marvel is more efficient than ever, thanks to cutting-edge upgrades and decades of innovation.