Biogas recovery and electricity generation from M’zar Wastewater treatment plant, Morocco

Audit Analysis

A CDM biogas-recovery project at a Moroccan wastewater treatment plant with VVB-confirmed additionality and a reputable verifier (SGS UK), but limited by a project-specific modeled baseline, a thin 0% leakage justification, and the absence of any monitoring-period data in the extracted record. The low extraction confidence and two inter-document contradictions (crediting period and baseline type) reduce confidence in the overall data picture.

Project Description

Red Flags

• ⚠Crediting period contradicts between the PDD (2018-2025) and the validation report (2016-2022); the validation report is privileged as the VVB's authoritative assessment, but the discrepancy undermines confidence in the project's temporal scope.
• ⚠Leakage deduction of 0% is justified only as 'deemed negligible' with no quantified analysis, which is thin for a wastewater biogas project where displaced methane or changes in treatment practice could shift emissions.
• ⚠Grid emission factor of 0.735 tCO₂/MWh is drawn from 2007 data; no updated or jurisdictional grid factor is cited in the extracted record.
• ⚠No monitoring-period data, no buffer pool, and no reversal-event record are present in the extracted documents, leaving permanence and delivery performance unverified.

Credit Vintages

No issuances recorded on the registry.