Administration officials on April 16 outlined plans to distribute more than $3.3 billion in smart-grid- technology development grants and an additional $615 million for smart-grid storage through the American Recovery and Reinvestment Act. The grants will range from $500,000 to $20 million for smart-grid applications and $100,000 to $5 million for grid monitoring devices.“We need an upgraded electrical grid to take full advantage of the vast renewable resources in this country,” said Vice President Joe Biden. Commerce Secretary Gary Locke said administration of- ficials will hold a meeting in Washington, D.C., in May to discuss the development of industrywide standards
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.