Jinjia Jiayi CMM Power Generation Project
#32of 189 in Methane#357of 1084 in China#407of 1339 in Verra (VCS)#3of 35 in ACM0008
Audit Analysis
A coal-mine-methane power generation project in China with VVB-verified additionality and a measured project-specific baseline, but weakened by a 0% leakage deduction justified only as 'deemed negligible,' unaddressed reversal events, and no stated buffer pool. The verified emissions for the first monitoring period (~205,738 tCO₂e) are consistent with the claimed figure and represent roughly 88% of the pro-rata lifetime expectation, indicating no over-crediting. Several minor documentation findings and inter-document contradictions on baseline characterisation and ERR figures reduce confidence.
Red Flags
- Leakage deduction of 0% justified solely as 'deemed negligible' with no quantified analysis in the verification report
- Reversal events explicitly 'not addressed' in available documents and buffer pool percentage not stated
- Contradiction between the validation report (baseline 'measured') and the PDD (baseline 'modeled') on the same date
- Six material findings in the verification report, including misclassified monitored parameters and a missing parameter in the emissions calculation table
- CORSIA eligibility and CCP status both not stated in any available document
- Gas capture legally mandated — additionality in doubt
Credit Vintages
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2020 | 100,426 | 48,642 | 51,784 | |
| 2021 | 105,312 | 1,728 | 103,584 | |
| Total | 205,738 | 50,370 | 155,368 |
Risk Indicators
VVB-verified combined test
mixed evidence / unresolved risk
0% deduction, 'deemed negligible' only
Project-specific, measured vs modeled contradiction
Grievance mechanism present, FPIC not stated
CORSIA and CCP status not stated
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