The UN Article 6.4 Supervisory Body's Methodological Expert Panel (MEP) holds its 13th session in Bonn from April 13–17, 2026 — a decisive week for the future of the Paris Agreement Crediting Mechanism (PACM). Two draft methodologies are on the table: grid-connected renewable electricity generation and N₂O abatement in nitric acid plants. The outcomes will determine which project types can issue carbon credits under Article 6.4, directly shaping supply volumes and CDM transition pathways.
The renewable energy methodology under review is based on CDM's established ACM0002 and AMS-I.D. frameworks, which underpin an enormous share of the existing project pipeline. Nearly 80% of CDM activities eligible to transition to the PACM use grid-connected renewable energy methodologies. Approval in Bonn would effectively unlock the largest single category of potential Article 6.4 supply — a transformative outcome for buyers seeking Paris-aligned carbon credits at scale.
The N₂O abatement methodology, proposed through a bottom-up stakeholder process, would be the first such methodology submitted via the new participatory pathway — a procedural milestone signalling the PACM's maturing governance.
The Bonn meeting coincides with the CDM entering its final operational phase. The old Clean Development Mechanism is winding down, with selective migration of Certified Emission Reductions (CERs) to the new PACM registry. Decisions taken in Bonn this week will directly shape the velocity and quality of that transition. Countries and project developers are watching closely: the CDM migration window is finite, and clarity on eligible methodologies is essential for project bankability.
Article 6.4 methodology approval is a foundational event for any dMRV platform. At TrustVal, our industrial monitoring architecture is designed for exactly the project types under review — renewable energy installations and industrial emissions reduction facilities. Approved methodologies create clear, auditable measurement requirements; that is precisely where digital MRV delivers its greatest value: continuous, sensor-based data collection that meets the stringent verification standards the PACM demands. We expect the Bonn outcomes to accelerate demand for fit-for-purpose dMRV infrastructure across the Article 6.4 project pipeline.
Primary source: Carbon Credit Markets — Week 14, 2026 | UNFCCC MEP page
TrustVal helps corporate buyers and project developers navigate carbon markets with confidence. Our industrial dMRV platform delivers accurate, real-time emissions data for Article 6.4-compliant projects and EU ETS compliance.