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GSSmall, Low - Impact HydroTurkeyVintage 2021AMS-I.D

ARALIK HEPP

GS-1139 ↗ · current registry ID: GS663

#277of 295 in Turkey#1590of 1801 in Gold Standard (GS)#531of 806 in AMS-I.D

4.0/ 10
Integrity
4.0
Transparency
4.5
Claim Safety
3.5
Documentation
4.0

Audit Analysis

The Aralık HEPP is a small hydro project under Gold Standard with a well-known VVB (Bureau Veritas) and a recent PDD (2024), but it is undermined by nine cross-document contradictions, a 350% over-delivery of verified credits relative to the ex-ante estimate, and a 2024 validation report that does not confirm additionality by the VVB. The project's integrity and claim-safety profiles are materially weakened by these inconsistencies.

Red Flags

  • Verified ERR of 77,956 tCO₂e for the 2023 monitoring period is 350% of the 22,254 tCO₂e ex-ante estimate in the 2024 PDD, indicating a severe over-delivery that is not explained in the available documents.
  • The 2024 validation report does not confirm additionality by the VVB, contradicting the 2011 validation report which did; the more recent document is privileged.
  • Nine contradictions across documents span leakage justification, baseline method, additionality test type, FPIC status, benefit-sharing description, grid emission factor, and crediting period, indicating poor internal consistency.
  • No buffer pool percentage is stated and reversal risk is not addressed, leaving permanence unsecured for a project whose dam infrastructure could be decommissioned.
  • CORSIA eligibility and CCP status are both not stated in any available document, leaving dual-channel risk unassessed.

Credit Vintages

IssuedRetiredAvailable
2010
6,8274,7562,071
2011
26,93925,6611,278
2012
23,46522,996469
2013
20,72520,311414
Total77,95673,7244,232

Risk Indicators

Additionality

Test present but VVB verification contradicted (2024 report does not confirm)

Permanence

reversal risk not addressed

Leakage

0% deduction; justification inconsistent across documents

Baseline

Project-specific; method contradicted; last reassessed 2019

Safeguards

Grievance mechanism present; FPIC and benefit-sharing contradicted

Double-claim

CORSIA and CCP status both not stated

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Analysis ProvenanceScored2026-09-01AMS I.D

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