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Vietnam Solo marketplace General Methodology v2.0

Biogas Digesters for Farmers

CE-biogas-digesters-for

1.5 / 10
Integrity
2.0
Transparency
0.5
Claim Safety
2.0
Documentation
1.0

Score Breakdown

Integrity

missing Additionality, baseline approach, leakage treatment, and any findings/corrective actions were not found in the extracted record.

inferred Biogas digester projects can be credible under CDM, but no project-specific evidence was available to assess over-crediting risks.

Transparency

missing No VVB name, monitoring period, or verified vs claimed emission reductions were found in the extracted record.

missing Registry/MRV completeness cannot be assessed because no source documents were captured.

Claim Safety

missing No information was found on CORSIA eligibility, CCP status, baseline parameters, or leakage justification, so marketing claims would be high-risk.

inferred Sector is prone to usage-rate and baseline fuel assumptions, but these were not documented in the extracted record.

Documentation

missing No evidence documents were provided and zero documents were used in extraction.

missing Low extraction confidence suggests document readability/processing issues and weak auditability.

Detailed Analysis

Integrity

No validation/verification or monitoring documents were captured in the extracted record, so additionality testing, baseline method, leakage treatment, and any permanence/reversal considerations are not stated in available documents. There is also no information on material findings or corrective actions from a VVB. Given these evidence gaps, integrity must be scored very conservatively.

Transparency

The extracted record does not include a VVB name, monitoring period, or any comparison of claimed versus verified emission reductions, so MRV transparency cannot be evaluated. No documentation was captured to confirm what was publicly disclosed or how complete the registry record is. Low extraction confidence further reduces confidence in transparency.

Claim Safety

No information was found on baseline assumptions, leakage justification, or any parameters that commonly drive over-crediting risk in household biogas programs (such as usage monitoring and default factors). CORSIA eligibility and CCP status are also not stated in available documents, so the risk of unsupported or overstated claims is high. As a result, claim safety is scored low.

Documentation

The extracted record shows zero documents used and an empty document list, meaning the assessment cannot be grounded in official sources. The minimum extraction confidence is low, indicating at least one key document was poorly readable and may have led to missing facts. This warrants a very low documentation score (note: documentation <3 would cap transparency under the gate rules applied after scoring).

Overall

There are no contradictions listed in the extracted record. However, the absence of any captured project documents combined with low extraction confidence makes the project effectively non-auditable from the provided materials, so all dimensions are scored conservatively. Under the gate rules, the very low documentation score would cap transparency post-scoring.

Audit Analysis

The extracted record contains no usable project details beyond the project name, standard, country, and sector, and the underlying documents were not successfully captured. With no evidence on additionality, baseline, leakage, monitoring, or verification, the carbon-credit quality and claim reliability cannot be substantiated from the available materials.

Project Description

What it does In rural Vietnam, family farms are building digesters to manage waste and gain access to clean energy. One digester produces enough methane to provide free low-cost energy for cooking or other needs in several homes, saving families money. By channeling and reusing methane from the waste, biodigesters reduce emissions from this

Red Flags

  • No project documents were available in the extracted record (0 documents used), preventing validation of additionality, baseline, leakage, and monitoring.
  • Low extraction confidence indicates at least one key document was poorly readable, increasing the risk of missing or incorrect facts.

Credit Vintages

Nessuna emissione registrata sul registro.

Cosa migliorerebbe questo punteggio

  • Provide the PDD, validation report, monitoring report(s), and verification/certification report(s) so additionality, baseline, leakage, and MRV can be assessed.
  • Improve document readability/extraction quality (higher-resolution scans/OCR) and include registry issuance/retirement records plus any CORSIA/CCP status statements.

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

No additionality assessment found

Permanence

Reversal/buffer provisions not evidenced

Leakage

No leakage treatment found

Baseline

Baseline method not found

Safeguards

Safeguards/FPIC/grievance not found

Double-claim

CORSIA/CCP status not stated

Where to buy

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Analysis Provenance Scored 2026-04-02 General Methodology v2.0 Solo marketplace

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