Degirmen Weir and Hydroelectric Power Plant
GS-3 ↗ · current registry ID: GS1003
#668of 1935 in Renewable energy#137of 295 in Turkey#352of 1801 in Gold Standard (GS)#234of 806 in AMS-I.D
Audit Analysis
The Degirmen Weir hydro project in Turkey is a Gold Standard small hydro with VVB-confirmed additionality and documented safeguards, but suffers from a notable gap in permanence treatment (reversal risk unaddressed, no buffer pool stated), a high volume of corrective actions during verification, and multiple cross-document contradictions that reduce confidence in the data record. The latest verification shows claimed and verified reductions matching at 25,413 tCO2e, and an earlier period showed 26% under-delivery, which is a conservative signal.
Red Flags
- Reversal risk for the hydro asset is explicitly 'not addressed' in the verification report, and no buffer pool percentage is stated — a material permanence gap for a dam-based project
- 26 Corrective Action Requests were raised in a single verification cycle (2023 report), indicating significant documentation and reporting quality issues at the project level
- Two Findings of Additional Requirements (FAR#2, FAR#3) required independent expert opinions on fish passage design and minimal water flow adequacy prior to registration, flagging unresolved environmental design concerns
- Minimum extraction confidence is rated 'low', meaning at least one key document was poorly readable, undermining the reliability of the extracted data set
Credit Vintages
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2015 | 4,448 | 4,448 | 0 | |
| 2016 | 13,758 | 13,758 | 0 | |
| 2017 | 3,054 | 3,054 | 0 | |
| 2019 | 142 | 142 | 0 | |
| 2020 | 10,108 | 8,119 | 1,989 | |
| 2021 | 7,880 | 2,880 | 5,000 | |
| 2022 | 7,283 | 6,871 | 412 | |
| Total | 46,673 | 39,272 | 7,401 |
Risk Indicators
VVB-confirmed combined test
mixed evidence / unresolved risk
0% deduction, quantified justification but no specific value
Project-specific, reassessed 2024
FPIC, grievance mechanism, benefit sharing documented
CORSIA and CCP status not stated
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