Asia’s fission frenzy by Fortune Editors @FortuneMagazine April 10, 2014, 10:05 AM EST E-mail Tweet Facebook Google Plus Linkedin Share icons Click on the chart for full-size version. “A lot of what’s constraining nuclear power is economics,” says Matthew Bunn, a professor of practice at the Harvard Kennedy School. It’s much easier for a large, centralized state than for a private utility to absorb the billions in upfront costs necessary to build a reactor. That, says Bunn, is largely why growth is concentrated in Asia and Russia. MORE: China goes nuclear This story is from the April 28, 2014 issue of Fortune.