VCSEnergy industries (renewable/non-renewable sources); Livestock, enteric fermentation, and manure management; Waste handling and disposalTurkey Registry: RegisteredAMS-III.D

GZL ENERGY BIOGAS PLANT

VCS-2460 ↗

#74of 111 in Biogas#113of 121 in Turkey#533of 629 in Verra (VCS)#41of 62 in AMS-III.D

4.4/ 10
Integrity
4.8
Transparency
4.0
Claim Safety
4.5
Documentation
4.0

Scored2026-08-25high confidence

Generated by CarbonMeld Analysis Pipeline · Methodology · Editorial Policy · About the System
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Audit Analysis

The GZL Energy Biogas Plant is a VCS-registered methane-recovery and renewable-electricity project in Turkey with a 10-year crediting period and a lifetime claim of 523,460 tCO₂e. Additionality was confirmed by the VVB via a common-practice test, and the project is inherently an avoidance type with lower permanence risk, but the absence of a buffer pool, unaddressed reversal events, a missing FPIC process, and a contradictory leakage justification between the validation report and the PDD create meaningful integrity and claim-safety concerns. No monitoring data or verified emission reductions are available, limiting the ability to confirm over- or under-delivery.

Red Flags

  • Local stakeholder consultation (FPIC) was not conducted; a VERRA exemption was requested due to COVID-19 and a FAR was raised (validation report, material finding).
  • Twelve corrective actions were required at validation, including incomplete sections (4.4, 5.1, 5.2, 5.3, 2.3, 2.4), missing baseline justification for AMS I.D, and inconsistent energy units (validation report).
  • Leakage justification is contradictory: the validation report (2021-06-22) states leakage was 'quantified' while the PDD (2021-07-15) states it was 'deemed negligible,' yet the deduction is 0% in both.
  • No buffer pool percentage is stated and reversal events are marked 'not addressed' in the extracted record, despite the project being an avoidance type.
  • No monitoring period, verified ERR, or usage-monitoring method is available in the extracted documents, preventing any delivery verification.

Credit Vintages

No issuances recorded on the registry.

Risk Indicators

Additionality

Common-practice test, VVB-confirmed

Permanence

Avoidance type, no buffer pool, reversal not addressed

Leakage

0% deduction, contradictory justification

Baseline

Project-specific, modeled, no reassessment data

Safeguards

Mentioned but FPIC not conducted, no grievance mechanism

Double-claim

CORSIA and CCP status not stated

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Analysis ProvenanceScored2026-08-25AMS III.D: Methane recovery in animal manure management systems; AMS I.D: Grid connected renewable electricity generation
Methodology·Editorial Policy·About the System

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