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VCS avoidance China Vintage 2021, 2022, 2023 Registry: Registered Documentazione completa General Methodology v2.0

LIANZHOU LANDFILL GAS POWER GENERATION PROJECT

VCS-3940 ↗

6.3 / 10
Integrity
6.2
Transparency
6.0
Claim Safety
6.4
Documentation
7.2

Score Breakdown

Integrity

verified The monitoring report (2023-07-31) indicates additionality was confirmed by the VVB and no material findings or corrective actions were reported.

missing Leakage is not addressed in the extracted record and no leakage deduction is provided, and baseline reassessment timing is not stated.

Transparency

verified The project identifies the VVB (APPLUS+ LGAI) and provides a clear monitoring period (2021-06-01 to 2023-04-30) with verified ERs of 132,655 tCO2e.

missing The claimed ER total is not found in the extracted record and key calculation inputs (e.g., grid emission factor) are not found, reducing auditability.

Claim Safety

verified The project is explicitly not CORSIA-eligible in the extracted record, reducing aviation-claim channel risk.

missing Contradictions across documents on safeguards and on the type of additionality test increase greenwashing/over-crediting perception risk.

Documentation

verified Multiple core documents are present in the extracted record (PDD, validation report, monitoring report) and extraction confidence is high with 8 documents used.

missing The presence of several contradictions between documents suggests internal inconsistency and lowers confidence in some disclosures.

Detailed Analysis

Integrity

The monitoring report (2023-07-31) indicates additionality was confirmed by the VVB and reports no material findings or corrective actions. The baseline is described as project-specific, and the timing of any baseline reassessment is not stated in the extracted record, which weakens confidence in baseline robustness over time. Leakage is flagged as not addressed and no leakage deduction is provided in the extracted record, which is a notable integrity gap for ACM0001-type accounting.

Transparency

The extracted record provides the VVB name (APPLUS+ LGAI) and a defined monitoring period (2021-06-01 to 2023-04-30), with verified emission reductions of 132,655 tCO2e reported in the monitoring report (2023-07-31). However, the claimed ER total is not found in the extracted record, preventing a direct claimed-versus-verified comparison. Important quantification inputs such as the grid emission factor and grid EF year are also not found in the extracted record, limiting third-party reproducibility checks.

Claim Safety

The project is explicitly marked as not CORSIA-eligible in the extracted record, which reduces the risk of higher-stakes aviation-related claims. Nonetheless, over-crediting/greenwashing risk is elevated by missing or unclear leakage treatment and by the lack of key disclosed parameters (e.g., grid emission factor) needed to sanity-check ER magnitude. The CCP status is not found in the extracted record, leaving uncertainty about alignment with higher-integrity labels.

Documentation

The extracted record references multiple document types (monitoring report, validation report, PDD) and indicates 8 documents were used with high extraction confidence, supporting a relatively strong documentation score. The monitoring report is recent (2023-07-31) and aligns with the stated crediting period start (2021-06-01). However, repeated contradictions between the monitoring report and validation report suggest documentation inconsistencies that reduce reliability for certain non-carbon and procedural claims.

Overall

Contradictions materially affect confidence: (1) safeguards mention, (2) grievance mechanism, (3) benefit sharing, and (4) FPIC are stated as present in the monitoring report (2023-07-31) but absent in the validation report (2023-08-17); given the validation report is a formal assurance document and is later-dated, its values are privileged, and scores are reduced for safeguards-related reliability. Another contradiction concerns additionality test type: the monitoring report (2023-07-31) describes a combined test while the PDD (2023-03-30) indicates a positive list; the monitoring report is privileged as the later MRV/assurance context, but the inconsistency still lowers confidence. Separately, missing leakage treatment and missing key quantification inputs constrain integrity and claim safety, keeping the overall assessment in the mid range.

Audit Analysis

This is a VCS landfill-gas-to-power avoidance project using ACM0001 with VVB-confirmed additionality and no reported material findings for the monitored period. However, key integrity parameters (baseline reassessment timing, leakage treatment, and several MRV inputs like grid emission factor) are not found in the extracted record, and multiple cross-document contradictions weaken confidence in the non-carbon safeguard narrative.

Project Description

Lianzhou Landfill Gas Power Generation Project (hereafter referred to as the project) is invested and owned by Lianzhou Dongkang Renewable Energy Technology Co., Ltd (hereafter referred to as the project owner). The project captures the landfill gas that would have been released to the atmosphere in the absence of the project and generates electricity with the landfill gas (LFG). The total installed capacity of the project is 3MW. The project consists of 5 sets of 600kW generators which were was operated since 01/06/2021. LFG collected is used for electricity generation with internal combustion generators to generate about 109,379MWh supplying to CSPG during the first 7 years crediting period. The expected average annual emission reductions are 82,464 tCO2e and the total emission reductions are 577,253 tCO2e during the first 7-year crediting period.

Red Flags

  • Leakage is marked as not addressed and no leakage deduction is provided in the extracted record, despite ACM0001 projects typically requiring explicit leakage treatment.
  • Several safeguard-related items (FPIC, grievance mechanism, benefit sharing, safeguards mention) contradict between the monitoring report and the validation report.
  • Baseline is project-specific and the timing of any baseline reassessment is not found in the extracted record.
  • Key quantification inputs (e.g., grid emission factor and grid EF year) are not found in the extracted record, limiting independent plausibility checks.

Credit Vintages

Issued Retired Available
2021
34,952 5,632 29,320
2022
19,048 0 19,048
2023
1,000 515 485
Total 55,000 6,147 48,853

Cosa migliorerebbe questo punteggio

  • Disclose and reconcile leakage assessment and any leakage deduction (or justify negligible leakage) explicitly in the monitoring/verification documentation.
  • Provide the grid emission factor (and applicable year/source) used for ER quantification and include a clear claimed-versus-verified ER comparison table.
  • Resolve contradictions on FPIC, grievance mechanism, safeguards, and benefit sharing by aligning statements across the validation report and monitoring report with supporting evidence.

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 additionality

Permanence

Avoidance project (no reversal buffer needed)

Leakage

Leakage not evidenced in extracted record

Baseline

Project-specific baseline; reassessment timing unclear

Safeguards

Safeguard claims inconsistent across documents

Double-claim

Not CORSIA-eligible; CCP status not stated

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Analysis Provenance Scored 2026-04-02 General Methodology v2.0 Documentazione completa

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