Related Links: Delaware Utility's Road From Bloom Box to Grid Bloom Energy Delware State Assembly Bill SB 124 Row after row of glossy black boxes hum away on an acre of land between a cornfield and the banks of Delaware's Red Lion Creek. "It's basically a fuel-cell farm," says George Gottuso, senior project manager with Hill International. "Right now, it's delivering 5.8 megawatts to the utility."These refrigerator-sized cabinets are Bloom Energy Servers, natural-gas-powered fuel cells manufactured and owned by Bloom Energy, Sunnyvale, Calif. Each energy server contains a stack of solid-oxide fuel cells, made with Bloom's patented process and design.One
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.