Rendering courtesy of Apple Lights On Maiden, N.C., data center will draw power from a 20-MW solar farm and 5-MW fuel-cell installation. Related Links: EDITORS' CHOICE & GREEN PROJECT: Facebook Data Center Apple is hoping to get a boost from the sun to power its rapidly growing cloud services.Having completed a $1-billion, 500,000-sq-ft data center in Maiden, N.C., in late 2011, the computing giant recently began construction on a 20-MW solar farm. Along with a new 5-MW fuel-cell installation, the company plans to use the farm to supply all the energy needed to run the facility.The data center, which was
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.