NDLI: Biopower Generation in British Columbia: An Opportunity for Greenhouse Gas Mitigation

Content Provider	IEEE Xplore Digital Library
Author	Kumar, A. Flynn, P. Sokhansanj, S.
Copyright Year	2006
Description	Author affiliation: Dept. of Mech. Eng., Univ. of Alberta, Edmonton, AB (Kumar, A.; Flynn, P.)
Abstract	Biomass is considered carbon neutral, and replacement of fossil fuel based power by biomass based power could significantly help mitigate greenhouse gases. Large areas of forests in British Columbia (B.C.) are being infested by the mountain pine beetle (MPB). Dead wood from MPB infestation of B.C.'s forest is expected to vastly exceed the ability of the pulp and lumber industry to utilize it; current estimates are that 200 to 600 million cu. m of wood will remain unharvested over the next 20 years. Regions where the damaged wood is not harvested will experience loss of jobs in the forestry sector, increased risk of forest fire hazard, carbon emissions from burned or decaying wood, and uncertainty about timing of replanting since this usually occurs at harvest. This paper report the results of a detailed preliminary techno-economic analysis of producing power from MPB killed wood. Power plant size and location are critical factors affecting overall power cost. Overall cost of power rises steeply at sizes below 300 MW net power output. By locating the power plant in an area of high infestation, transportation distances can be minimized. A 300 MW power plant would consume 64 million cu. m of wood over a 20 year lifetime, and hence is a significant sink for otherwise unharvestable wood. Cost estimates are based on harvesting of whole dead trees with roadside chipping and transport to a central power plant located in either the Nazko or Quesnel regions of B.C. A circulating fluidized bed boiler with a conventional steam cycle is a currently available technology demonstrated in Finland. The estimated power cost is $68 to $74 per MWh, which is competitive with other "green power" values in B.C. Given recent values of export power in the Pacific Northwest, a 300 MW MPB power plant can compete with a carbon credit below $15 per tonne of $CO_{2}.$
Starting Page	1
Ending Page	10
File Size	11225529
Page Count	10
File Format	PDF
ISBN	1424402182
DOI	10.1109/EICCCC.2006.277181
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-05-10
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Costs Carbon dioxide Fossil fuels Hazards Biomass Biomass power Mountain pine beetle Power cost Fires Forestry Lodgepole pine Wood industry Global warming Direct combustion Power generation
Content Type	Text
Resource Type	Article

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