SolarReserve LLC, a privately owned company based in Santa Monica,
Calif., plans to make a final decision in the next six months on a site in Nye County, Nev., for what would be the world’s largest solar facility.
Developers are looking to replace aging, coal-fired unit with efficient, cleaner gas-fired plants. In a market in which many plants are built on spec, each new project threatens the economics of all plants.
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.