Locally-sourced biomass is an excellent way to reduce reliance on fossil fuels while also taking advantage of an underused resource
The City of Yellowknife was looking for ways to reduce their dependence on fossil fuels without sacrificing any of their community’s heating needs. One opportunity that they wanted to look into was the usage of biomass. With approximately 7,800 tonnes (8,600 tons) of biomass material, they could potentially reduce diesel requirements by 500,000 litres (132,086 gallons) per year.
Our job? Review their current solid waste collection system and characterize waste streams. We also assessed potentially affected buildings to determine their annual heating loads. Using that information, our team developed and cost-estimated a district heating network design. Included was an option to generate electricity and a water heating application (that hadn’t been previously considered).
The study investigated 14 options for using biomass in both heating and cogenerating applications. After a costing and financial viability review, we presented two potential material handling scenarios to the City—with implementation plans and options for sizing the biomass plants. The City of Yellowknife moved forward with the plan, and the biomass plant that we designed was put into operation in the spring of 2018.
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