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GS Biogas - Electricity Thailand Documentazione completa General Methodology v2.0

Bangna Starch Wastewater Treatment and Biogas Utilization Project (300084)_pre-CDM VER

GS-1190 ↗

4.3 / 10
Integrity
4.8
Transparency
4.1
Claim Safety
4.3
Documentation
3.2

Score Breakdown

Integrity

verified Additionality was confirmed by the VVB using an investment test, which supports the project case.

missing The verification report records 12 corrective actions and 15 findings, indicating material implementation or documentation weaknesses.

Transparency

verified The project has a named verifier, Germanischer Lloyd Certification GmbH, and a defined monitoring period from 2008-11-10 to 2009-11-09.

missing Claimed and verified emission reduction totals are not stated in the extracted record, and key monitoring methods are also not found.

Claim Safety

verified The project uses an established biogas methodology, AMS III.H Version 09, which is a positive sign for methodological clarity.

missing Leakage treatment is not addressed and no leakage deduction is stated, which raises over-crediting risk for a biogas electricity project.

Documentation

verified The evidence set includes a PDD, verification report, and monitoring report, and the extraction confidence is medium rather than low.

missing The crediting period is not stated, and the verification report contains many corrective actions, suggesting incomplete or weak documentation.

Detailed Analysis

Integrity

The verification report from Germanischer Lloyd Certification GmbH confirms additionality through an investment test, which is a meaningful positive signal. However, the same report lists 12 corrective actions and 15 findings, so the project does not appear cleanly documented or fully robust at verification. Baseline method is described as project-based, but baseline reassessment timing, leakage treatment, and reversal handling are not clearly stated in the extracted record.

Transparency

Transparency is moderate at best because the project has a named verifier and a clear monitoring period, but the extracted record does not provide claimed or verified emission reduction totals. Key MRV details such as usage monitoring method and usage rates are also not found. The absence of these figures limits the ability to independently assess performance and registry completeness.

Claim Safety

Claim safety is weakened by missing leakage treatment and by the lack of quantified emissions data in the extracted record. The methodology is identified as AMS III.H Version 09, which helps, but the project-specific baseline and unaddressed leakage create over-crediting risk. CORSIA eligibility and CCP status are not stated, so dual-market risk cannot be ruled out from the available evidence.

Documentation

The documentation set is broader than a single report, with a PDD, verification report, and monitoring report included, and extraction confidence is medium. Even so, the crediting period is not stated, several key fields are missing, and the verification report contains numerous corrective actions. That combination points to incomplete documentation quality rather than a fully mature evidence package.

Overall

I privileged the verification report for additionality and findings because it is the most direct assurance document, while using the broader extracted record for missing MRV and safeguard details. There are no explicit contradictions listed between documents, so the main issue is not inconsistency but incompleteness and weak disclosure. The project scores in the mid-range because it has some credible verification support, but the many corrective actions, missing leakage treatment, and absent emissions figures materially reduce confidence.

Audit Analysis

The project has some positive integrity signals, including VVB-confirmed additionality and a defined project baseline, but the verification report also lists many corrective actions and material findings. Transparency is limited by missing or unstated emissions and usage data, and permanence/leakage treatment is weakly documented for a biogas project. Overall, the evidence base is usable but not strong, with notable documentation gaps and reliability concerns.

Project Description

Developer: South Pole Ltd Type: Biogas - Electricity Size: Small Scale Methodology: AMS-I.D. Grid connected renewable electricity generation Crediting period: 2007-10-31 → 2015-11-09 Estimated annual credits: 41701 tCO2e SDGs: Goal 7: Affordable and Clean Energy, Goal 13: Climate Action, Goal 8: Decent Work and Economic Growth

Red Flags

  • The verification report lists 12 corrective actions and 15 findings in total, which suggests substantial issues at verification.
  • Leakage, reversal risk, and key monitoring details are not addressed clearly in the extracted record.

Credit Vintages Exhausted

Issued Retired Available
2008
2,497 2,497 0
2009
20,094 20,094 0
Total 22,591 22,591 0

Cosa migliorerebbe questo punteggio

  • Provide quantified verified emission reductions, leakage treatment, and the monitoring calculations used for the reporting period.
  • Disclose the crediting period, any buffer or reversal provisions, and close out or explain all corrective actions from verification.

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 reversal evidence, but buffer not stated

Leakage

Leakage not addressed

Baseline

Project baseline stated, reassessment missing

Safeguards

FPIC and grievance mechanism documented

Double-claim

CORSIA/CCP status not stated

Where to buy

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Analysis Provenance Scored 2026-04-14 General Methodology v2.0 Documentazione completa

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