The construction of a new $10-billion nuclear reactor in Maryland seem to be dead after Constellation Energy told the Dept. of Energy that it is no longer interested in negotiating a federal loan guarantee to support the project. In a letter to DOE, Constellation said it was unable to continue negotiations after it was presented with a “shockingly high estimate” of the fee the company and its joint-venture partner, Electricite de France, would have to pay to obtain the loan—$880 million. “Such a sum would clearly destroy the project’s economics (or the economics of any nuclear project for that matter),
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.