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VCS Energy industries (renewable/non-renewable sources); Mining/mineral production China Registry: Registered Documentazione completa General Methodology v2.0

Anhui Zhujixi CMM Utilization Project

VCS-4559 ↗

6.0 / 10
Integrity
6.8
Transparency
5.6
Claim Safety
5.2
Documentation
6.4

Score Breakdown

Integrity

verified Additionality was tested using an investment test and was confirmed by the VVB, China Classification Society Certification Co., Ltd., in the monitoring report.

missing Leakage treatment is disputed across documents, and reversal events are not addressed in the extracted record.

Transparency

verified The monitoring period and crediting period are clearly stated, and the monitoring report reports no material findings or corrective actions required.

missing The extracted record does not state the usage monitoring method, claimed-versus-verified issuance comparison, or buffer pool percentage.

Claim Safety

verified The project is explicitly not CORSIA-eligible, which reduces one channel of dual-claim concern.

missing Leakage and safeguards inconsistencies, plus missing CCP status and missing usage-rate evidence, leave residual over-crediting and claim-risk concerns.

Documentation

verified Multiple document types were used, including validation, monitoring, PDD, and issuance records, and extraction confidence is high.

missing Several important fields remain unstated, including buffer pool, usage monitoring method, and reversal detail, limiting documentary completeness.

Detailed Analysis

Integrity

The monitoring report dated 2024-10-10 shows an investment-test additionality case that was confirmed by the VVB, and it reports no material findings or corrective actions required. The project uses ACM0008 version 08.0, but the extracted record does not state a buffer pool percentage, and reversal events are listed as not addressed, which weakens permanence confidence. Leakage is a major weakness because the monitoring report says it was quantified, while the validation report says it was not addressed; I privileged the more recent monitoring report, but the contradiction still lowers reliability.

Transparency

The monitoring period and crediting period are clearly disclosed, and the VVB is named, which helps traceability. However, the extracted record does not state the usage monitoring method, claimed-versus-verified issuance comparison, or any baseline reassessment timing. The absence of these details limits MRV transparency even though the documentation set is relatively broad.

Claim Safety

The project is explicitly not CORSIA-eligible, which reduces one major dual-channel claim risk. Still, the record lacks CCP status, and the missing usage-rate evidence plus the leakage contradiction create some over-crediting concern. Because the validation report and monitoring report disagree on leakage treatment, I relied on the later monitoring report for the score, but the inconsistency still depresses claim safety.

Documentation

The evidence set includes validation, monitoring, PDD, and issuance documents, and extraction confidence is high, which supports a decent documentation score. The monitoring report is recent relative to the crediting period and reports no material findings or corrective actions. Even so, several important items are not stated in the extracted record, including buffer pool, usage monitoring method, and reversal detail, so completeness is only moderate.

Overall

Overall, the project looks moderately credible on additionality and has a reasonably complete document set, but the score is held back by missing permanence and MRV details. I privileged the monitoring report over the older validation report where they conflicted, because it is more recent and project-specific, but I still penalized the score for the contradiction itself. The main reliability issues are the leakage disagreement and the shift from false to true on safeguards-related items between validation and monitoring records.

Audit Analysis

This is a methane utilization project with VVB-verified additionality and no material findings reported, which supports a moderate integrity score. However, several key items are missing or inconsistent across documents, especially leakage treatment, safeguards, and the handling of contradictions between the monitoring and validation/issuance records. The project is not CORSIA-eligible, but CCP status is not stated, so double-claim risk cannot be fully ruled out from the extracted record alone.

Project Description

Proponent: Huainan Huamei Pushi New Energy Technology Co., Ltd Protocol categories: Energy industries (renewable/non-renewable sources); Mining/mineral production Protocols: ACM0008 Estimated annual GHG reductions: 151088 tCO2e Region: Asia Registration date: 2024-11-16

Red Flags

  • Leakage treatment is inconsistent across documents: the monitoring report says it was quantified, while the validation report says it was not addressed.
  • Safeguards-related items were marked false in the validation report but true in the monitoring report, creating a reliability concern.
  • No buffer pool percentage, reversal detail, or usage monitoring method was found in the extracted record.

Credit Vintages

Issued Retired Available
2021
9,250 9,250 0
2022
71,186 71,186 0
2023
34,683 26,260 8,423
Total 115,119 106,696 8,423

Cosa migliorerebbe questo punteggio

  • Publish a clear leakage assessment with the same treatment across validation, monitoring, and issuance documents, including any quantified deduction.
  • Disclose the usage monitoring method, buffer pool or reversal handling, and CCP status to reduce claim and permanence uncertainty.

Questi suggerimenti indicano quali prove pubbliche aggiuntive potrebbero migliorare il livello di confidenza di questa valutazione. Non garantiscono un punteggio futuro più alto.

Risk Indicators

Additionality

VVB-confirmed investment test

Permanence

No buffer or reversal detail stated

Leakage

Leakage treatment contradicted

Baseline

Project baseline, reassessment not stated

Safeguards

Safeguards present but inconsistently documented

Double-claim

Not CORSIA-eligible; CCP status unstated

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Analysis Provenance Scored 2026-04-15 General Methodology v2.0 Documentazione completa

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