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GSSmall, Low - Impact HydroTurkeyACM0002

Kayabuku HEPP

GS-1164 ↗ · current registry ID: GS726

#142of 295 in Turkey#376of 1801 in Gold Standard (GS)#547of 1287 in ACM0002

5.5/ 10
Integrity
6.2
Transparency
4.8
Claim Safety
5.8
Documentation
4.2

Audit Analysis

Kayabuku HEPP is a small hydro project in Turkey displacing grid electricity, with additionality confirmed by the VVB via an investment test and no reversal events reported. However, a 47% discrepancy in the grid emission factor between two monitoring reports, a baseline-method terminology conflict between the PDD and verification report, and a low extraction confidence across 18 documents (including a legacy CDM PDD in .doc format) introduce meaningful data-reliability concerns that temper an otherwise straightforward avoidance claim.

Red Flags

  • Grid emission factor differs by 47% between two monitoring reports (0.7258 in the July 2024 report vs 0.4929 in the April 2024 report), directly affecting the magnitude of claimed reductions
  • 26 Corrective Action Requests were raised during verification (all subsequently closed), indicating substantial documentation and compliance gaps that had to be remediated
  • Minimum extraction confidence is rated low, meaning at least one key document was poorly readable and the structured data may be incomplete
  • Baseline method is described as 'project-specific' in the verification report but 'jurisdictional' in the PDD, creating ambiguity about the reference case

Credit Vintages

IssuedRetiredAvailable
2022
2,6056151,990
2023
24,47024,4700
Total27,07525,0851,990

Risk Indicators

Additionality

VVB-confirmed investment test

Permanence

Avoidance project, no reversals reported

Leakage

0% deduction, negligible for small hydro

Baseline

Project-specific, grid-EF discrepancy unresolved

Safeguards

FPIC, grievance mechanism, benefit sharing documented

Double-claim

CORSIA and CCP status not stated

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Analysis ProvenanceScored2026-09-05ACM0002

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