Hoover Dam - drought, water, electricity nexus

The headline said that Hoover Dam could stop generating electricity by 2013, if water levels in Lake Mead continue to drop 10 feet per year, and go below the level needed to supply the generators. But further into the article, officials lay out an array of options to keep that from occurring. Some of the options are severe however, including curtailing water deliveries, or letting more water out of Lake Powell.