United States, Aug. 21 -- The GE Vernova Hitachi Nuclear Energy (GVH) BWRX-300 small modular reactor (SMR) has been down selected by Vattenfall as it evaluates the construction of new reactors adjacent to its Ringhals plant site on the Varo Peninsula in Sweden. Momentum around the BWRX-300 continues to build globally. Construction of the first BWRX-300 is underway at Ontario Power Generation's (OPG) Darlington site near Toronto. A total of four units are planned for the site. The U.S. Nuclear Regulatory Commission has accepted and is reviewing Tennessee Valley Authority's (TVA) application to construct the first BWRX-300 in the U.S., at the utility's Clinch River site in Oak Ridge, Tennessee. OPG, TVA, Duke Energy and Synthos Green Energy i...