Structured methods for consistent and effective results

Methodology

Differences in residual mix methodologies, generation data and sources, and national accounting rules can lead to variations in both grid and residual mix figures. To encourage consistency and avoid double-counting, these methodologies must be clearly defined, transparent, and aligned around common principles.

AIB - EECS GO

This document provides details on the calculation methodologies held by the AIB used for different geographic regions: Residual Mix for Europe, Guarantees of Origin (GO) issuing countries

I-TRACK Foundation: Residual Mix for I-REC(E)/I-TRACK(E) issuing countries

This document provides details on the calculation methodologies held by the I-TRACK Foundation to be used for different geographic regions, and can be added to or supplemented as additional calculation methodologies are implemented by national or regional actors.