While the demand for new large nuclear reactors may have fallen in the United States in response to the recession, interest in smaller, cheaper, scalable nuclear reactors is on the rise. Image: Babcock & Wilcox Nuclear Power B&W’s modular mPower unit. Six are under consideration for installation at TVA’s Clinch River site. Related Links: Nuclear Rebirth Mpower reactor Hyperion Power About a half-dozen companies have notified the Nuclear Regulatory Commission that they will apply for design certification and eventually licenses for smaller reactors that range in size from 25 megawatts to about 300MW. “It’s a challenging time to justify putting
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.