1. Overview Performance of Landfill Gas (LFG) Projects in Developing Countries May 3, 2007

2. CDM Registered Projects
Project Status
Total Projects
LFG
Projects
% of Total Projects
Registered
631 44
7.0%
Registration Request 71 10
14.1%
Review Requested 16 1
6.3%
TOTAL
718 55
7.7%
Source: UNFCCC

3. CDM Registered LFG Projects – Methodology
Number of Projects
AM0002 1
AM0003 5
AM0010
AM0011
ACM001 32
AMS-1.D / ACM0002 7
Source: UNFCCC

4. Growth – No. CDM Registered LFG Projects and Forecast Annual ERs
Source: UNFCCC

5. Predicted vs. Actual LFG Recovery, 14 Sites
Year
No. of Projects
Predicted LFG Recovery
(m3 / hr)
Actual
LFG Recovery
Aggregate Difference (%)
2003 1
558
334
60.0%
2004 3
25,767
12,751
49.5%
2005 7
50,345
19,638
39.0%
2006 11
47,009
14,678
31.2%
2007
5,381
2,256
41.9%

6. Range of Actual LFG Recovery Less than Predicted LFG Recovery
Year
No. Of Projects
<50%
50% – 75%
>75%
2003 1 -
2004 3
2005 7
2006 11 6 2
2007

7. Computer Model / Data Inputs / Assumptions
Factor
Number
Model Options
Single k value
Multiple k values 6 2
LFG Collection Efficiency
35%-50%
55%-65%
70%
80% - 82% 3 5
Rainfall (mm/yr)
<1,000
>1,000 11
Waste Depth (m)
<10
10-20
>40 1

8. Issues / Action Items
Role of computer modeling vs landfill / LFG design & operation
- Compaction
- Cover
- Leachate generation / collection (extraction pumps)
- Fires
- Waste pickers
- Phased development at sites with active disposal
Under delivery or over expectation
Carbon Finance Unit – Further detailed assessment in progress

9. THANK YOU