Guizhou Jinyan CMM Power Generation Project
Score Breakdown
Integrity
verified The validation/verification record indicates additionality was confirmed by the VVB using an investment test.
missing Baseline is described only as project-specific and the timing of any baseline reassessment was not found in the extracted record.
Transparency
verified The monitoring report (2022-09-06) provides a clear monitoring period (2020-10-01—2021-12-31) and verified ERs (126,134 tCO2e).
missing Key quantification inputs (e.g., grid emission factor/year and leakage deduction) were not found in the extracted record.
Claim Safety
verified Verified ERs are reported by an identified VVB (TÜV NORD CERT GmbH), supporting third-party assurance.
missing Corrective actions for inaccurate ER calculation and unclear leakage deduction increase over-crediting/claims risk.
Documentation
verified Multiple document types are present (PDD, validation report, monitoring report, issuance) with high extraction confidence across 12 documents.
missing Corrective actions included a missing statement of competence and an inaccurate ER calculation, indicating documentation/QA weaknesses.
Detailed Analysis
Integrity
The validation/verification record indicates additionality was confirmed by the VVB using an investment test (validation/verification documentation referenced in the extracted record). The baseline approach is only described as project-specific, and the date of any baseline reassessment was not found in the extracted record, which weakens confidence in baseline robustness. Leakage is flagged as “quantified” in the monitoring report (2022-09-06), but the leakage deduction itself was not found in the extracted record, limiting the ability to judge completeness.
Transparency
The monitoring report (2022-09-06) clearly states the monitoring period (2020-10-01—2021-12-31) and reports verified emission reductions of 126,134 tCO2e. However, several key MRV inputs (such as the grid emission factor and its reference year) were not found in the extracted record, reducing reproducibility for external reviewers. The presence of corrective actions also suggests the initial reporting required fixes before assurance could be relied upon.
Claim Safety
The project’s claims benefit from third-party verification by TÜV NORD CERT GmbH and a stated verified ER total in the monitoring report (2022-09-06). Claim risk remains moderate because corrective actions included an inaccurate emission reduction calculation, which is directly relevant to over-crediting risk. CORSIA eligibility and CCP status were not found in the extracted record, so downstream buyer eligibility/label claims cannot be safely inferred.
Documentation
The extracted record indicates a relatively complete document set (PDD, validation report, monitoring report, issuance) and 12 documents used, with high extraction confidence. Still, the monitoring report (2022-09-06) lists corrective actions including a missing statement of competence and an inaccurate ER calculation, which points to weaknesses in quality control and supporting evidence. Some important quantitative fields (e.g., grid emission factor, leakage deduction) were not found in the extracted record despite the document set.
Overall
Overall quality is mid-range: additionality is VVB-confirmed and verified ERs are reported for a defined monitoring period, but baseline and leakage quantification are not fully transparent in the extracted record and corrective actions raise over-crediting concerns. The contradiction on leakage is material: the PDD (2022-02-22) does not address leakage, while the monitoring report (2022-09-06) states leakage was quantified. I privilege the monitoring report for operational-period accounting because it is later and specific to monitored performance, but the inconsistency itself reduces confidence and is scored as a reliability risk. If documentation were to fall below the gate threshold, transparency would be capped post-scoring (gate rule noted).
Audit Analysis
This VCS coal mine methane power project has VVB-confirmed additionality and a defined monitoring period with verified ERs, which supports basic credibility. However, key baseline parameters and leakage quantification are not clearly captured in the extracted record, and a leakage treatment inconsistency between the PDD and monitoring report raises reliability and over-crediting concerns.
Project Description
Proponent: Guizhou Jinyan Energy Technology Co., Ltd. Protocol categories: Energy industries (renewable/non-renewable sources); Mining/mineral production Protocols: ACM0008 Estimated annual GHG reductions: 160655 tCO2e Region: Asia Registration date: 2022-12-07
Red Flags
- Leakage treatment is inconsistent: the PDD does not address leakage, while the monitoring report claims leakage was quantified.
- Corrective actions were required for an inaccurate emission reduction calculation, increasing over-crediting risk.
Credit Vintages Exhausted
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2021 | 104,873 | 104,873 | 0 | |
| Total | 104,873 | 104,873 | 0 |
Cosa migliorerebbe questo punteggio
- Disclose the full leakage calculation and resulting leakage deduction (or explicit 0% with justification) consistently across the PDD and monitoring report.
- Publish/clearly cite the grid emission factor value and reference year used for the monitoring period, and document any baseline reassessment schedule or triggers.
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
VVB-confirmed investment test
No reversal risk indicated for CMM power
Leakage inconsistent/unclear deduction
Project-specific baseline; reassessment unclear
FPIC and grievance mechanism documented
CORSIA/CCP status not found
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