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GSSmall, Low - Impact HydroTurkeyAMS-I.D

Sayan 14.896 MWe Small Scale Power Project, Turkey

GS-1701 ↗ · current registry ID: GS730

#247of 295 in Turkey#1194of 1801 in Gold Standard (GS)#427of 806 in AMS-I.D

4.7/ 10
Integrity
5.0
Transparency
4.5
Claim Safety
5.0
Documentation
4.0

Audit Analysis

The Sayan small hydro project in Turkey uses a jurisdictional baseline and a combined additionality test, which are structurally sound, but the verification report (May 2016) flags six corrective actions covering data discrepancies, missing meter calibrations, and incomplete environmental monitoring. The project delivered only about 73% of the pro-rata ex-ante expectation for the 2014–2015 monitoring period, and no buffer pool or permanence mechanism is documented. Overall, the project is a modest, low-impact hydro credit with meaningful data-quality caveats.

Red Flags

  • Six corrective actions (CARs and CRs) in the 2016 verification report indicate unresolved data-quality issues in the monitoring spreadsheet, meter calibration, and environmental parameter calculations.
  • Verified emissions reductions of 38,795 tCO2e represent only ~73% of the pro-rata ex-ante expectation (~53,146 tCO2e) for the 2-year monitoring period, suggesting the ex-ante estimate may have been optimistic.
  • No buffer pool or permanence mechanism is documented in the extracted record, leaving reversal risk unaddressed.
  • Grid emission factor of 0.5502 tCO2/MWh is from 2008 and has not been updated in the available documents.

Credit Vintages

IssuedRetiredAvailable
2011
66465113
2012
26,39526,3950
2013
23,28723,2870
2014
13,15913,14118
2015
26,57926,5790
Total90,08490,05331

Risk Indicators

Additionality

Combined test present; VVB confirmation not confirmed in extracted data

Permanence

mixed evidence / unresolved risk

Leakage

0% deemed negligible; reasonable for small run-of-river hydro

Baseline

Jurisdictional method; grid EF from 2008; reassessment timing not stated

Safeguards

Safeguards and benefit-sharing mentioned; FPIC and grievance mechanism not confirmed

Double-claim

CORSIA and CCP statuses not stated in available documents

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Analysis ProvenanceScored2026-09-06AMS-I.D.

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