The lone remaining coal-fired power plant in the state of Washington will shut down at the end of December, and will be converted to burn natural gas. Operator TransAlta Corp. on December 9 signed an agreement with Puget Sound Energy (PSE) for the transition, with a 16-year, fixed-price contract for the gas-fired generation that runs through 2044.The post Last Coal-Fired Plant in Washington State Converting to Natural Gas appeared first on POWER Magazine.