AIB Issues Release 2.58 of EECS Rules Fact Sheet Index, Updating Scheme Member and Product Rule References
ImplementationThe Association of Issuing Bodies (AIB) published Release 2.58 of EECS Rules Fact Sheet 01 (the master index of EECS Rules Fact Sheets) on 05 October 2026, updating version references for FS01 and FS17 (EECS Scheme Members and EECS Products, now Release 1.83). The index lists 18 active Fact Sheets governing the European Energy Certification System (EECS) used by AIB members to issue, transfer and redeem Guarantees of Origin (GOs), covering topics such as types of public support, member/competent authority codes, energy input/technology types, domain protocol templates, transfer error codes, and carbon footprint methodology.
The EECS Rules Fact Sheets constitute the operative rulebook underpinning cross-border GO issuance and transfer across AIB member countries. Routine but frequent updates to scheme membership lists (FS17) and governing documents directly affect which issuing bodies and technologies are recognised within the EECS framework, with implications for GO market participants' eligibility and cross-border tracking interoperability.
This is an administrative/governance maintenance event rather than a substantive policy proposal: AIB continuously revises its EECS Rules Fact Sheets (as shown by the version history spanning late 2024 through October 2026) to reflect scheme membership changes, new technology/energy-input codes, and minor procedural updates. While individually incremental, these updates collectively define the operating rules for the EU/EEA Guarantees of Origin market, so tracking the cadence and substance of FS17 (membership/products) and FS05 (technologies) revisions is relevant for market design observers monitoring GO scheme scope and interoperability.
AIB EECS Rules (private association rulebook governing Association of Issuing Bodies members; not EU statutory legislation)
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