Utility Dive, Nov. 17, 2016, by Robert Walton.
http://www.utilitydive.com/news/oregon-utility-targets-energy-efficiency-demand-response/430645/

"Portland General Electric has filed its 2016 Integrated Resource Plan with the Oregon Public Utility Commission, outlining a strategy that focuses on energy efficiency and customer-side demand response, in the next four years, while also leaning on natural gas to replace coal."