Mengzi MSW Landfill Site LFG Comprehensive Utilization and Power Generation Project
#772of 1084 in China#870of 1339 in Verra (VCS)#20of 34 in AMS-III.G
Audit Analysis
A registered VCS landfill gas recovery and power generation project in China with a VVB-verified combined additionality test, but the verification report identified eight material findings including an unresolved regulatory-surplus question and a direct contradiction between the PDD and monitoring report on whether LFG capture is legally mandated. The project's documentation is extensive (18 documents) yet carries a low extraction-confidence flag, and seven corrective actions remain open, undermining confidence in the robustness of the credit claims.
Red Flags
- Contradiction between the PDD (capture legally required = true) and the monitoring report (capture legally required = false) directly undermines the additionality claim; the verification report's material finding confirms the regulatory surplus was not demonstrated.
- Eight material findings and seven corrective actions remain open in the verification report, including incomplete monitoring plan, missing ex-ante ERR parameter summary, and lack of independent evidence for government approvals.
- Leakage justification is inconsistent across documents: the validation report (2023) states leakage was not addressed, while the monitoring report (2025) records it as deemed negligible with a 0% deduction.
- Low extraction confidence across the document set, combined with an unidentifiable document type in the evidence list, reduces reliability of the extracted record.
Credit Vintages
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2021 | 13,207 | 0 | 13,207 | |
| 2022 | 57,293 | 0 | 57,293 | |
| 2023 | 61,361 | 0 | 61,361 | |
| Total | 131,861 | 0 | 131,861 |
Risk Indicators
VVB-verified combined test, but regulatory surplus not demonstrated and legal-requirement status contradicted across documents
mixed evidence / unresolved risk
0% deduction deemed negligible, but validation report (2023) records leakage as not addressed
Project-specific modeled baseline; reassessment not yet due under VCS 10-year rule (due Oct 2031)
FPIC conducted, grievance mechanism in place, safeguards explicitly documented
CORSIA eligibility and CCP status not stated in available documents; dual-channel risk unassessed
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