By Confluence Energy from Kremmling, Colorado. premium grade wood pellets from Lodgepole Pine. Eco-Flame wood pellets are sourced from Lodgepole Pine trees killed by the Mountain Pine Beetle that has infested many forests in Colorado and surrounding states. These trees are being removed to help protect the remaining forest and land from devastating forest fires, and being used to help heat homes in the process. These premium wood pellets have been tested to have ash content typically below .45% and heat value of 8,337 BTU/lb.