Author(s): Lee, C., C. Chandler, M. Lazarus and F.X. Johnson
In: SEI Working Paper No. 2013-01
Type: Working paper
Link to SEI author(s):
Assessing the Climate Impacts of Cookstove Projects: Issues in Emissions Accounting
This paper examines methodological challenges in gauging the emissions reductions associated with cookstove projects.
An estimated 2.6 billion people rely on traditional biomass for home cooking and heating, so improving the efficiency of household cookstoves could provide significant environmental, social and economic benefits. Some researchers have estimated that potential greenhouse gas emission reductions could exceed 1 billion tonnes of carbon dioxide equivalent (CO2e) per year.
Carbon finance offers a policy mechanism for realizing some of this potential and could also bring improved monitoring to cookstove projects. However, there are formidable methodological challenges in estimating emission reductions. This paper evaluates the quantification approaches to three key variables in calculating emission impacts: biomass fuel consumption, fraction of non-renewable biomass, and emission factors for fuel consumption.
The analysis draws on a literature review as well as on interviews with technical experts and market actors, and identifies lessons learned and knowledge gaps. Key research needs identified include development of additional default factors for biomass consumption for baseline stoves; refinement of monitoring approaches for cookstove use; broadened scope of emission factors used for cookstoves; accounting for non-CO2 gases and black carbon; and refinement of estimates and approaches to considering emissions from bioenergy use across methodologies.
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Note: This paper has been revised twice, most recently on 8 April 2013.
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