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☑️ Why Do We Need Granular Certificates?
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Today, we face the challenge of ineffective clean energy claims. This problem could be fixed using Granular Certificates (Time-Stamped Energy Attribute Certificates). |
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|  List of Crucial Attributes
Energy Carrier (always Electricityelectricity). Unique Identification Number. Date when the Production Device became operational. Production/storage discharge interval, which shall be a maximum of one hour. GC Issuance date-stamp. Source of produced energy. Technology used to produce energy. Name of the Production Device. Unique ID of the Production Device (if available). Capacity of the Production Device. Country/region Region of Issuance. Geographical location Location of the Production/Storage System that released the energy for which the GC is Issued (including zip code/postcode, street, city and country, and/or GPS coordinate). Where available, GPS coordinates shall be stated. Base unitUnit: Wh (not kWh, MWh, etc.). Energy production volume Production Volume (i.e. face value of the certificate) rounded down to the nearest Wh whole number. Identity of the GC Issuer. Whether it is Issued issued from production or released from storage. Whether or not it can be used to inform consumers of the origin of the energy they consume (i.e. Disclosure). Whether or not it has been Issued following Energy Carrier conversion or release from energy Storage. Configuration the GC is issued (i.e. Config-1,2 or 3).
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For a robust implementation of Granular Certificates, please refer to the EnergyTag GC Scheme and Matching Standard.
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Before diving deep into the Standards, we highly recommend familiarizing yourself with the Table of Contents presented below. |
Scheme Standard Outline
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Section | Abstract | 1.1 Roles | A brief overview of Roles in GC Schemes. Requirements to be fulfilled by Account Holder, GC Issuer, ProductionRegistrar, GC Registry Operator, Measurement Body, and Accreditation.
| 1.2 Scheme Configuration | Provides background with the current EAC scheme. Proposes three new different GC scheme configurations along with six types of double counting risks to be mitigated. Lays down five major steps with requirements under each configuration explaining how GCs are to be issued, traded, and canceled.
| 1.3 Granular Certificate Attributes | | 1.4 Time Zones | | 1.5 Producer Metering and Registration Data | Represents all the general requirements and requirements specific to the categories: production device data, production data, storage data, and data transfer.
| 1.6 Energy Storage | Detailed storage schematic for GC schemes highlighting flow from GCs to SCRs to SCRs to SD-GCs along with requirements to be met. This section also deep dives into various SCR-SDR allocation methodologies and storage losses that must be taken into account.
| 1.7. Granular Certificate Validity Period | | 1.8 IT Systems Architecture | Points out the significance of data standardization for GC scheme interoperability along with requirements to be fulfilled for the same. Comments about the development of the EnergTag API (Application Programming Interface) standard.
| 1.9 Fraud Detection and Prevention | | 1.10 Market design | | 1.11 Linkage with Support Systems | | 1.12 Eligibility of Energy | Discusses the topic of energy eligibility for the generation of GCs. Explains four major categories – distribution reach, definition of auxiliary demand, primary energy source, T&D losses, and congestion under which energy eligibility may be considered.
| 1.13 Error Handling for Ex-post Corrections of Meter Data | |
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