The glossary is divided into two sections: domain terms and acronyms.
Domain Terms
| Term | Definition |
|---|---|
| Authentication | An electronic procedure that enables the electronic Identification of a natural or legal person. |
| Balancing Responsible Party | An entity that is responsible for ensuring the balance between the energy supply and demand in a specific area or region. |
| Clean Energy Package | A set of legislative measures adopted by the European Union to promote the use of renewable energy sources, increase energy efficiency, and create a more integrated and competitive energy market. |
| Data Access Log | A timestamped record of data items accessed that includes at least the identification of the final customer or the eligible party accessing the data and, if applicable, the identification of the permission used to access the data. |
| Data Access Provider | A party responsible for facilitating access to validated historical metering and consumption data by the final customer. |
| Eligible Party | Entity offering energy-related services to final customers, such as suppliers, transmission and distribution system operators, aggregators, energy service companies, and balancing service providers. |
| Identity Service Provider | A party that manages identity information; issues, stores, protects, keeps up to date, and manages identity information for a natural or legal person and provides authentication services to eligible parties and final customers; |
| Meter Operator | A party responsible for installing, maintaining, testing, certifying and decommissioning physical meters. |
| Metered Data Administrator | A party responsible for storing validated historical metering and consumption data and distributing this data to final customers and eligible parties. |
| Metering and Consumption Data | Meter readings of electricity consumption from the grid, or electricity feed into the grid, which includes validated historical data and non-validated near real-time data. |
| Metering Point Administrator | A party responsible for administering and making available the characteristics of a metering point, including the registrations of eligible parties and final customers linked to the metering point. |
| Near Real-time Data Consumption System | A system or device that obtains the flow of non-validated near real-time data from a smart metering system as referred to in Article 20, first subparagraph, point (a) of Directive (EU) 2019/944. |
| Near Real-time Metering and Consumption Data | Metering and consumption data provided continuously by a smart meter in a short time period, usually down to seconds or up to the imbalance settlement period in the national market, which is non-validated and made available through a standardised interface or through remote access in line with Article 20(a) of the Electricity Directive (EU) 2019/944. |
| Permission | The authorisation given by a final customer to an eligible party on the basis of a contractual agreement they have with this party, to access their metering and consumption data managed by the metered data administrator for the provision of a specific service. |
| Permission Administrator | A party responsible for administering a register of data access permissions for a set of metering points, making this information available to final customers and eligible parties in the sector, on request. |
| Permission Provision Log | A timestamped record of when the permission for an eligible party or final customer was granted, revoked, or terminated, including a permission identifier, and a party identifier. |
| Reference Model | The procedures that are necessary for access to data describing the minimum required information exchange between market participants. |
| Smart Meter | An electronic metering device deployed within a smart metering system as defined in the Article 2(23) of the Directive (EU) 2019/944. |
| Sub-meter | A meter that measures only a part of a customer's load/production behind one connection to the grid (measured by a main meter) or a meter with a different granularity of metering data than the main meter. |
| Validated Historical Metering and Consumption Data | Historical metering and consumption data collected from a meter, a conventional or a smart meter, or completed with substitute values that are determined otherwise in case of meter unavailability. |
Acronyms
| Acronym | Definition |
|---|---|
| aFRR | Automatic Frequency Restoration Reserve |
| AIIDA | Administrative Interface for In-house Data Access |
| API | Application Programming Interface |
| ASM | Active System Management |
| BRP | Balancing Responsible Party |
| CEP | Clean Energy Package |
| CIM | Common Information Model |
| CM | Capacity Mechanism |
| DA | Day Ahead (market) |
| DCC | Demand Connection Code |
| DER | Distributed Energy Resources |
| DF | Distributed Flexibility |
| DSF | Demand-Side Flexibility |
| DSO | Distribution System Operator |
| EBGL | Electricity Balancing Guideline |
| EDDIE | European Distributed Data Infrastructure for Energy |
| eIDAS | Electronic Identification and Authentication Services. Regulation on electronic identification and trust services. Regulation (EU) No 910/2014. |
| ENTSO-E | European Network of Transmission System Operators for Electricity |
| FMO | Flexibility Market Operator |
| FSP | Flexibility Service Provider |
| GDPR | Regulation (EU) 2016 |
| GEODE | GEODE is made up of European independent distribution companies of gas and electricity |
| HRM | Harmonised Role Model |
| IA | Implementing Acts for Interoperability after Article 24 of Directive (EU) 2019/944 |
| ID | Intraday |
| LV | Low voltage |
| mFRR | Manual Frequency Restoration Reserve |
| MV | Medium voltage |
| NC | Network Code |
| NRA | National Regulatory Authority |
| RfG | Requirements for Generators |
| SAREF | Smart Applications REFerence ontology |
| SGAM | Smart Grid Architecture Model |
| SGU | Significant Grid User |
| SOGL | System Operation Guideline |
| TSO | Transmission System Operator |