Heyuan Qizhai Landfill Gas Power Generation Project
#10of 189 in Methane#101of 1084 in China#122of 1339 in Verra (VCS)#11of 159 in ACM0001
Audit Analysis
A standard VCS landfill gas power generation project (ACM0001 v19.0) verified by a well-known VVB (Applus+), with confirmed additionality, no material findings, and no reversal events. The project delivered approximately 84% of its pro-rata ex-ante expectation for the first monitoring period, indicating conservative crediting. Main concerns are the 0% leakage deduction with contradictory justifications across documents, a project-specific baseline, and several eligibility fields (CORSIA, CCP) left unstated.
Red Flags
- Leakage deduction of 0% with contradictory justifications: the verification report describes it as 'quantified' while the monitoring report calls it 'deemed negligible' — the basis for the zero deduction is not fully transparent
- Five contradictions across documents (ERR figures, grid emission factor, additionality test type, leakage justification, baseline characterisation) reduce confidence in data consistency, though most are explainable by document type and timing
- Gas capture legally mandated — additionality in doubt
Credit Vintages
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2021 | 12,933 | 10,000 | 2,933 | |
| 2022 | 86,268 | 17,081 | 69,187 | |
| 2023 | 48,057 | 5,468 | 42,589 | |
| Total | 147,258 | 32,549 | 114,709 |
Risk Indicators
VVB-confirmed investment test; capture legally required
LFG combustion — no storage/reversal risk; no reversal events
0% deduction; contradictory justifications across documents
Project-specific baseline; measured per verification report
FPIC conducted; grievance mechanism present; safeguards documented
CORSIA and CCP status not stated in available documents
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