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GC Scheme Protocol Template

12 June, 2025

This document describes the Granular
Certificate (GC) Scheme Protocol of the Issuer.
It supports the assessment process for becoming
an EnergyTag Compliant Granular Certificate
Issuer by demonstrating compliance with the EnergyTag Granular Certificate Scheme Standard.

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GC Registry API Specification

4 March, 2024

This work, carried out in collaboration with the data science contractor Future Energy Associates, proposes a V2 of the EnergyTag GC Registry API Specification.

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Granular Certificate Matching Standard

4 March, 2024

The GC Matching Standard details the criteria to be followed to ensure robust GC Matching. Claim Verifiers must be EnergyTag Accredited to verify claims as being “EnergyTag Compliant”.

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Granular Certificate Scheme Standard

4 March, 2024

The GC Scheme Standard details the criteria to be followed to run a robust GC Scheme. GC Issuers must be EnergyTag Accredited to be “EnergyTag Compliant”.

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