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VCS avoidance Türkiye Vintage 2017 Registry: Registered Documentazione completa General Methodology v2.0

Gullubag 96 MW Hydro Electric Power Plant Project, Turkey

VCS-391 ↗

6.3 / 10
Integrity
6.2
Transparency
6.4
Claim Safety
5.6
Documentation
7.6

Score Breakdown

Integrity

verified The validation/verification record indicates additionality was confirmed by the VVB using an investment test.

missing Key quantitative elements are inconsistent across documents (emission reductions and crediting period), undermining baseline/quantification reliability.

Transparency

verified A named VVB (Carbon Check) and a clearly stated monitoring period (2020-05-01 to 2022-03-22) support traceability.

missing Conflicting figures across official documents reduce MRV clarity even where a number is reported.

Claim Safety

verified The most recent record shows claimed and verified reductions match (179,252), lowering the risk of simple overstatement for that period.

missing CORSIA and CCP status were not found in the extracted record, and ERR/crediting-period contradictions increase greenwashing/over-crediting risk.

Documentation

verified Document set is relatively complete (PDD, validation report, monitoring report, issuance) with high extraction confidence and 10 documents used.

missing Contradictions between documents suggest version control and record consistency problems despite good document coverage.

Detailed Analysis

Integrity

Additionality appears reasonably supported: the validation/verification record confirms additionality via an investment test and indicates it was confirmed by the VVB. Leakage treatment is reported as a 0% deduction with a quantified justification in the monitoring report (2022-11-02), and no reversal events are reported (appropriate for an avoidance renewable project). However, integrity is weakened by major inconsistencies across documents on the magnitude of emission reductions and the stated crediting period, which raises concerns about baseline/quantification reliability.

Transparency

The extracted record provides a named VVB (Carbon Check (India) Private Limited), a specific monitoring period (2020-05-01 — 2022-03-22), and matching claimed vs verified reductions in the most recent record (179,252). The evidence set includes core document types (PDD, validation report, monitoring report, issuance), supporting auditability. Transparency is reduced because key headline numbers and even the crediting period differ across official documents, making it hard for third parties to reconcile what was actually validated/verified.

Claim Safety

Over-crediting/greenwashing risk is elevated by the contradiction between 179,252 and 800,935 tCO2e reported as claimed/verified in different validation reports, even though the latest extracted values match each other. CORSIA eligibility and CCP status were not found in the extracted record, so buyers cannot easily assess aviation/ICVCM-related claim constraints. The baseline is project-specific (rather than a standardized/jurisdictional baseline), which typically carries higher over-crediting sensitivity than standardized approaches.

Documentation

Documentation coverage is relatively strong: 10 documents were used, including PDD, validation report, monitoring report, and issuance, and the minimum extraction confidence is high (no indication of unreadable key documents). The monitoring report is dated 2022-11-02 and includes key MRV elements such as the monitoring period and grid emission factor (0.616). Nonetheless, repeated contradictions across documents indicate record-management issues that reduce confidence despite the breadth of documentation.

Overall

Overall quality is moderate because core elements (VVB involvement, monitoring period, and a coherent latest-period ERR figure) are present, but reliability is undermined by multiple contradictions. For emission reductions, the 179,252 tCO2e figure is privileged because it appears in the more recent 2022-11-02 validation/monitoring record and matches claimed and verified values there; the 800,935 figure from the older 2020-07-20 validation report is treated as superseded or potentially referring to a different scope. For leakage justification, the 2022-11-02 monitoring report is privileged over the 2020-05-14 monitoring report because it is more recent and explicitly addresses leakage as quantified (even though the deduction remains 0%). For the crediting period, the monitoring report’s 2012-03-23 — 2022-03-22 is treated as the period actually monitored/covered, while the 2023-07-04 validation report’s 2022-03-23 — 2032-03-22 suggests a renewal/next period; the inconsistency still warrants a score penalty due to eligibility-boundary ambiguity.

Audit Analysis

The project shows several integrity positives for a grid-connected renewable energy activity under ACM0002, including VVB-confirmed additionality and matching claimed vs verified reductions in the most recent record. However, major cross-document inconsistencies in reported emission reductions and even the crediting period create over-crediting and reliability concerns that reduce confidence in the record.

Project Description

The Gullubag Hydroelectric Power Plant is a 96 MW project located in Turkey's Erzurum province. It was granted a 49-year Generation License in accordance with the Electricity Market Law, making it an important source of renewable energy.

Red Flags

  • Large contradiction in reported verified/claimed emission reductions (179,252 vs 800,935) across validation reports, indicating potential over-crediting or document/version confusion
  • Crediting period is inconsistent across documents (2012–2022 vs 2022–2032), creating uncertainty about eligibility and issuance boundaries

Credit Vintages

Issued Retired Available
2012
112,334 23,000 89,334
2013
138,920 138,920 0
2014
68,606 68,606 0
2015
92,690 92,690 0
2016
162,035 162,035 0
2017
129,771 129,771 0
2018
148,565 1,000 147,565
2019
147,097 1,000 146,097
2020
38,924 1,000 37,924
2022
14,926 0 14,926
Total 1,053,868 618,022 435,846

Cosa migliorerebbe questo punteggio

  • Publish a clear reconciliation note mapping each ERR figure (179,252 vs 800,935) to the exact scope, monitoring period, and document version, and confirm which figure was issued on the registry.
  • Clarify crediting-period history (original vs renewed period) with registry links and explicit statements in the latest verification/monitoring package to remove eligibility-boundary ambiguity.

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

Avoidance project; no reversals reported

Leakage

0% deduction with inconsistent treatment across reports

Baseline

Project-specific baseline; reassessment timing not fully clear

Safeguards

FPIC and grievance mechanism documented

Double-claim

CORSIA/CCP status not found in record

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

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