Understanding CDM Methodologies - SuSanA
Understanding CDM Methodologies - SuSanA
Understanding CDM Methodologies - SuSanA
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Biomass Leakage:<br />
Proving that<br />
there is sufficient<br />
Biomass available<br />
Box 37: Leakage in projects that produce energy<br />
Projects using methodology AMS-III.E and producing heat or electricity need<br />
to consider additional leakage issues as defined in the “General guidance on<br />
leakage in biomass project activities”. Accordingly, projects must consider<br />
emissions related to biomass generation and biomass use from (i) shifts of preproject<br />
activities, (ii) emissions related to the production of the biomass, and (iii)<br />
competing uses for the biomass.<br />
Two projects (“GEEA Biomass 5 MW Power Plant Project” (UNFCCC no. 1089)<br />
and “Bandar Baru Serting Biomass Project” (UNFCCC no.1091)) were asked<br />
to correct their submitted PDD based on these issues. Project proponents were<br />
asked to provide more detailed data on the amount of biomass available in the<br />
project region and to demonstrate whether their respective projects were creating<br />
competition in the regional biomass supply chain.<br />
Notably, project 1089 was asked to provide evidence that current and future<br />
regional demand for rice husk other than from the project activity was limited.<br />
Conversely, the project proponent was asked to include monitoring measures<br />
to assess regional biomass availability on an annual basis and demonstrate<br />
there is indeed a biomass supply surplus. In response to this request, the<br />
project proponent provided information related to rice processing and rice husk<br />
generation within a radius of 300 km of the project site to show that rice husk<br />
supply is more than three times larger than amount required by the project. The<br />
project developer proposed to consult rice processing associations and provide<br />
relevant statistics to estimate the supply surplus each year.<br />
In a similar way, project 1091 did not include in its monitoring plan an annual<br />
evaluation of the regional biomass supply. Additionally, it did not include<br />
measures to consider potential leakage. Pursuant to the request for review it<br />
received, the project participant modified its monitoring plan to include a new<br />
parameter to assess the biomass supply in the region and modify its monitoring<br />
practices to include leakage as per the “General guidance on leakage in biomass<br />
project activities”. 280 The project participant also argued that since the project<br />
was planning to use only empty fruit bunches (EFB) for fuel and that this biomass<br />
source was a residue from the palm oil industry, the only potential leakage source<br />
arose from the competing use of biomass. The project participant demonstrated<br />
that the amount of biomass waste available in the region was 25% higher than<br />
what was needed by the project activity, thereby confirming that no leakage<br />
needed to be accounted for.<br />
246<br />
Monitoring<br />
Monitoring Waste<br />
at the Disposal<br />
Site before Project<br />
Start<br />
Sampling of<br />
Waste Types<br />
Ex ante: In order to calculate potential emissions of methane from waste<br />
used by the project using the first order decay model, monitoring shall<br />
involve the assessment of the conditions at the SWDS previous to the<br />
beginning of the project. The following parameters need to be monitored.<br />
• Fraction of methane captured at the SWDS and flared, combusted or used<br />
in another manner.<br />
• Total amount of organic waste to be use by the project from disposal<br />
(tons).<br />
• Weight fraction of each waste type in the samples collected each year on<br />
the SWDS.<br />
• Number of samples collected.<br />
246<br />
http://cdm.unfccc.int/methodologies/SSCmethodologies/AppB_SSC_AttachmentC.pdf<br />
101