X-energy said it completed the basic design of its high-temperature gas-cooled reactor, a milestone development announced by the U.S. Department of Energy’s nuclear office. Maryland-based X-energy has ...

WASHINGTON -- The U.S. Nuclear Regulatory Commission has certified the design for what will be the United States' first small modular nuclear reactor. The rule that certifies the design was published ...

In a major step forward for the burgeoning modular nuclear reactor movement, the U.S. Nuclear Regulatory Commission (NRC) approved all but the final formalities on a tiny reactor design put forth by ...

The U.S. Nuclear Regulatory Commission has approved design of the first small modular reactor, a milestone that nuclear energy advocates say could revive the nation’s languishing nuclear sector. The ...

Holtec International's SMR-300 small modular reactor design has completed the first step of the UK's Generic Design Assessment process and progressed to the next phase of its assessment. Holtec's ...

America's biggest government utility is joining with utilities in Canada and Poland and one of the oldest nuclear plant manufacturers to develop a basic design for their next generation of nuclear ...

The U.S. has just given the green light to its first-ever small modular nuclear design, a promising step forward for a power source that remains controversial among some climate advocates but is ...