Roundwood biomass is a core component of the feedstock mix used by the 60 MWe biomass power boiler of Nova Scotia Power (NSP) facility in Point Tupper, Nova Scotia. The access to dry biomass in the winter time is critical to boiler efficiency. An 18 month roundwood storage trial was put in place in May 2014 to determine the influence of harvest season and storage period on moisture content (MC) of roundwood biomass in order to optimize feedstock quality delivered to NSP. Port Hawkesbury Paper (PHP), the major supplier of biomass for the power plant was the main project collaborator for the duration of the trial providing biomass, machinery and labor for sampling.