Icdas Biga Wind Farm Project
GS-372 ↗ · current registry ID: GS2475
#1271of 1935 in Renewable energy#235of 295 in Turkey#1074of 1801 in Gold Standard (GS)#989of 1287 in ACM0002
Audit Analysis
The Icdas Biga Wind Farm is a fundamentally sound avoidance-type renewable energy project with VVB-confirmed additionality, no reversal events, and a recently reassessed baseline. However, significant data discrepancies between the verification and monitoring reports (claimed ERR differing by a factor of 2.5, grid emission factor varying by 23%), an extensive list of 80+ corrective actions, and low extraction confidence substantially undermine confidence in the quantification and documentation quality.
Red Flags
- Claimed ERR figures differ by a factor of 2.5 between the monitoring report (78,344) and the verification report (195,129), indicating a serious data reliability problem
- Grid emission factor changed from 0.5255 tCO2/MWh (2024 verification) to 0.6482 tCO2/MWh (2025 verification) without clear explanation, potentially inflating credits by ~23%
- Over 80 corrective actions were required across the project documentation, suggesting initial documentation quality was severely deficient
- A bat death observation was noted in the monitoring report, raising environmental impact concerns for the wind installation
- Minimum extraction confidence is rated low, meaning at least one key document was poorly readable, reducing reliability of the extracted data
Credit Vintages
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2015 | 6,057 | 6,057 | 0 | |
| 2016 | 65,926 | 65,926 | 0 | |
| 2018 | 58,082 | 477 | 57,605 | |
| 2019 | 77,073 | 1,752 | 75,321 | |
| 2020 | 87,607 | 1,541 | 86,066 | |
| 2021 | 79,520 | 0 | 79,520 | |
| 2022 | 67,996 | 0 | 67,996 | |
| 2023 | 91,446 | 0 | 91,446 | |
| 2024 | 78,344 | 0 | 78,344 | |
| Total | 612,051 | 75,753 | 536,298 |
Risk Indicators
VVB-confirmed combined/investment test
Avoidance project, no reversals
0% deduction, quantified justification
Project-specific, reassessed 2024
Grievance mechanism present, FPIC not conducted
CORSIA and CCP status not stated
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