U.S. Nuclear Regulatory Commission Chairman Gregory Jaczko

U.S. Nuclear Regulatory Commission Chairman Gregory Jaczko

Andrew Harrer/Bloomberg

Gregory Jaczko, chairman of the U.S. Nuclear Regulatory Commission (NRC) said he couldn’t support the licenses to build reactors without a binding agreement that Atlanta-based Southern and its partners would operate the new reactors with safety enhancements meant to prevent the partial meltdowns that occurred at Fukushima.