Montana coal power plant closing two units built in 1970s

One of the largest coal-fired power plants in the western U.S. will close two of its four units in coming days as the Montana facility edges toward an eventual total shutdown.Colstrip Units 1 and 2 — built in the 1970s when massive strip mines were being developed across Montana and Wyoming — will close by Jan. 5 or as soon as they run out of coal to burn, Talen Energy spokeswoman Taryne Williams said Thursday.The plant employs about 300 people and is the main driver of the economy f