... jump-starting nuclear power is not just bad politics. It’s awful economics.

The nuclear energy industry in the United States is powered by corporate welfare on plutonium. What is in theory a wonderful technology is in practice an economic white elephant. The data accumulated during the last 30 years suggest strongly that nuclear plants will never be able to cover their operating costs, let alone recoup the billions it costs to build them.

A 2009 Massachusetts Institute of Technology study led by physicist Ernest J. Moniz and engineer Mujid S. Kazimi showed that nuclear energy costs 14 percent more than gas and 30 percent more than coal. And that’s after taking into account a baked-in taxpayer subsidy that artificially lowers nuclear plants’ operating costs.

A 2010 study by the U.S. Energy Information Administration projected that nuclear power will remain more expensive to produce than other conventional sources of electricity in 2016 (see chart). Based on this analysis, nuclear power is also more expensive than wind power, although cheaper than solar and clean coal.

While the nuclear industry in the United States has seen continued improvement in operating performance over time, it remains uncompetitive with coal and natural gas on price. This cost differential is primarily driven by high capital costs and long construction times, often more than 10 years.

According to the Congressional Budget Office, nuclear power plants, on average, wind up costing three times more to build than original estimates suggest. Inflation, especially in the more nuclear-powered 1970s, played some role in the problem of ballooning costs. But when a project takes more than a decade to complete, labor and capital costs can grow in unexpected ways as well.