https://apnews.com/910766c07afd96fbe2bd875e16087464 > BOISE, Idaho (AP) — U.S. officials have for the first time approved a design for a small commercial nuclear reactor, and a Utah energy cooperative wants to build 12 of them in Idaho. > The U.S. Nuclear Regulatory Commission on Friday approved Portland-based NuScale Power’s application for the small modular reactor that Utah Associated Municipal Power Systems plans to build at a U.S. Department of Energy site in eastern Idaho.