Mazı-3 30 MW Wind Power Plant Project
GS-681 ↗ · current registry ID: GS388
#877of 1935 in Renewable energy#175of 295 in Turkey#527of 1801 in Gold Standard (GS)#689of 1287 in ACM0002
Audit Analysis
The Mazı-3 30 MW wind project uses a well-established methodology (ACM0002) with VVB-confirmed additionality and over-delivers relative to its ex-ante estimate. However, the project is burdened by an unusually large number of corrective actions, multiple inter-document contradictions on key parameters (leakage justification, baseline method, claimed ERR), and substantive measurement gaps (diesel fuel not directly measured, meter calibration lapsed). These issues collectively moderate what would otherwise be a straightforward renewable energy credit.
Red Flags
- The monitoring report contains two materially different claimed ERR values (10,532 and 91,294 tCO2) for the same reporting period, creating significant uncertainty about the actual credit volume.
- Leakage justification is contradictory: the verification report states it was 'quantified' while the monitoring report says it was 'deemed negligible,' yet the deduction is 0% in both cases.
- Diesel generator fuel consumption was not directly measured but calculated from manufacturer catalog assumptions and power outage logs, introducing estimation uncertainty into the net generation figure.
- Meter calibration was not conducted during the monitoring period as required by the PDD (every 2 years); the project relied on a Turkish legal provision for 10-year calibration, which deviates from the approved methodology.
- FPIC was not conducted, and the validation report (2024) recorded additionality as unverified, in direct contradiction with the verification report's confirmation.
Credit Vintages
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2009 | 12,591 | 12,591 | 0 | |
| 2010 | 57,598 | 57,598 | 0 | |
| 2011 | 65,582 | 65,582 | 0 | |
| 2012 | 62,895 | 62,895 | 0 | |
| 2022 | 24,115 | 310 | 23,805 | |
| 2023 | 55,565 | 0 | 55,565 | |
| 2024 | 64,087 | 0 | 64,087 | |
| 2025 | 9,178 | 0 | 9,178 | |
| Total | 351,611 | 198,976 | 152,635 |
Risk Indicators
VVB-confirmed combined test
Avoidance project, no reversal risk
0% deduction, contradictory justification
Method inconsistent across documents, 2019 grid EF
Grievance mechanism present, FPIC not conducted
CORSIA and CCP status not stated
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