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GS avoidance Thailand Vintage 2020, 2021 Registry: Certified & crediting Documentazione completa General Methodology v2.0

WEST HUAYBONG 3 WIND FARM PROJECT

GS-2591 ↗

5.0 / 10
Integrity
5.4
Transparency
4.8
Claim Safety
5.0
Documentation
4.1

Score Breakdown

Integrity

verified Additionality was confirmed by the VVB, and the validation record shows a combined additionality test rather than no test at all.

missing Leakage is not addressed in the 2025 verification report, and the record shows no buffer pool or quantified leakage deduction.

Transparency

verified The project has a named VVB, a defined monitoring period, and a recent verification report dated 2025-03-11.

missing Total verified and claimed emission reductions are not stated in the extracted record, and the extraction confidence is low.

Claim Safety

verified The project uses ACM0002 with a project baseline and is a Gold Standard certified renewable-energy project.

missing Leakage treatment is unclear, and the record contains a contradiction between an earlier quantified leakage treatment and the latest verification report saying it was not addressed.

Documentation

verified Multiple official document types were used, including validation, monitoring, verification, PDD, and stakeholder consultation materials.

missing Four corrective actions were required, and the extraction confidence is low, suggesting incomplete or hard-to-read source material.

Detailed Analysis

Integrity

The verification report dated 2025-03-11 confirms additionality by the VVB, and the validation record indicates a combined additionality test. However, leakage is marked as not addressed in the latest verification report, with no buffer pool percentage or reversal treatment clearly documented in the extracted record, which weakens the integrity assessment.

Transparency

Transparency is moderate because the project has a named verifier, a defined monitoring period from 2021-11-01 to 2023-12-31, and a recent verification report. That said, the extracted record does not state total claimed or verified emission reductions, and the low extraction confidence suggests at least one key document was difficult to read.

Claim Safety

Claim safety is middling: the project is a Gold Standard certified wind farm using ACM0002, which supports a standardised renewable baseline. But the latest verification report says leakage is not addressed, and the record does not provide CORSIA or CCP status, so over-crediting and claim-quality risk remain.

Documentation

Documentation quality is limited by the low extraction confidence and the presence of four corrective actions in the verification report. The file set is reasonably broad, with validation, monitoring, verification, PDD, and stakeholder consultation documents, but the record still leaves key items unstated, including verified issuance figures and reversal treatment.

Overall

I privileged the 2025 verification report over older validation and monitoring records where they conflicted, because it is the most recent and should reflect the current audited status. That means I treated leakage as not addressed despite an earlier monitoring report reportedly quantifying it, and I also treated the newer verification report as more relevant for safeguards and grievance mechanism status than the older validation report. The contradictions reduce reliability, especially around leakage, safeguards, and crediting-period details, so the overall score is held below a strong-credit threshold.

Audit Analysis

This is a certified wind project with VVB-confirmed additionality and a recent verification report, but the evidence package has several reliability gaps. Leakage is not addressed in the latest verification record, multiple corrective actions were required, and the extraction confidence is low, which weakens confidence in the documentation and claims.

Project Description

The activity involves installation of large scale commercial wind farm in Thailand to supply clean renewable electricity to the Thailand grid. The scenario existing prior to the start of the project, which is the same as the baseline scenario, is the supply of electricity from power plants connected to the grid. The project will consist of 45 turbines 2.3 MW capacity with the total installed capacity of 103.5 MW.

Red Flags

  • The latest verification report says leakage is not addressed, while an earlier monitoring report reportedly quantified it, creating a material inconsistency.
  • Four corrective actions were required and the extraction confidence is low, indicating documentation quality issues.
  • Reversal risk is not clearly addressed in the extracted record, and the project is not an avoidance project with no reversal risk.

Credit Vintages

Issued Retired Available
2019
14,805 0 14,805
2020
96,321 1,926 94,395
2021
80,193 4,003 76,190
Total 191,319 5,929 185,390

Cosa migliorerebbe questo punteggio

  • Publish a clear, reconciled leakage assessment and explain why the latest verification report differs from the earlier monitoring report.
  • Provide verified issuance figures, reversal treatment, and a complete public documentation set with readable source files and resolved corrective actions.

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

reversal risk not clearly addressed

Leakage

leakage not addressed

Baseline

project baseline, reassessment timing unclear

Safeguards

FPIC and grievance present, but inconsistently documented

Double-claim

CORSIA/CCP status not stated

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Analysis Provenance Scored 2026-04-11 General Methodology v2.0 Documentazione completa

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