East Oregonian, Dec. 30, 2016, by George Plaven.
http://www.eastoregonian.com/eo/local-news/20161230/biomass-experiment-delayed-at-boardman-coal-plant

"Portland General Electric had planned to conduct a full-day test burn at the plant using nothing but woody debris by the end of December. However, as winter weather had Oregonians cranking up the heat, PGE needed all resources on deck to keep up with the surge in electricity demand."