AWMS Methane Recovery Project MX07-S-113, Aguascalientes, México
#4of 27 in Mexico#65of 213 in CDM (UNFCCC)#13of 62 in AMS-III.D
Audit Analysis
A CDM methane recovery project in Aguascalientes, Mexico, using the standardized AMS III.D methodology with additionality confirmed by DNV via a combined test. The project shows a significant over-delivery relative to its ex-ante estimate (approximately 3.5× the pro-rata expectation for the elapsed monitoring period), suggesting conservative baseline assumptions, but leakage is not addressed and the baseline is project-specific and modeled. Four material findings were raised during validation and subsequently resolved.
Red Flags
- Leakage is explicitly not addressed in the monitoring report, with no deduction or justification provided for a methane recovery project where fugitive emissions are a realistic risk
- The baseline is project-specific and modeled rather than jurisdictional or measured, limiting its robustness
- Total ERR figures differ between the validation report (16,822 tCO₂e over the full crediting period) and the monitoring report (10,641 tCO₂e for the first ~22 months), representing a 3.5× over-delivery versus the pro-rata expectation that warrants scrutiny of the ex-ante assumptions
Credit Vintages
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2012 | 8,687 | 0 | 8,687 | |
| Total | 8,687 | 0 | 8,687 |
Risk Indicators
VVB-confirmed combined test
No buffer pool or permanence mechanism stated
Not addressed, no deduction or justification
Project-specific, modeled, no reassessment stated
Mentioned but FPIC and grievance mechanism not documented
CORSIA and CCP status not stated
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