| ABBREVIATION | DESCRIPTION |
| ADE | Association for Decentralized Energy |
| aFRR | Frequency Restoration Reserves with automatic activation |
| AMI | Advanced Metering Infrastructure |
| ASIDI | Average System Interruption Duration Index |
| ASIFI | Average System Interruption Frequency Index |
| BRP | Balancing Responsible Parties |
| CAPEX | Capital Expenditure |
| CBA | Cost Benefit Analysis |
| CHP | Combined Heat and Power |
| COSEM | Companion Specification for Energy Metering |
| DER | Distributed Energy Resource |
| DG | Distributed Generation |
| DLMS | Device Language Message Specification |
| DR | Demand Response |
| DRES | Distributed Renewable Energy Sources |
| DSO | Distribution System Operator |
| ENS | Energy Not Supplied |
| EV | Electric Vehicle |
| HAN | Home Area Network |
| HC | Hosting Capacity |
| HEMS | Home Energy Management System |
| HP | Heat Pump |
| ICT | Information and Communications Technologies |
| KPI | Key Performance Indicator |
| LV | Low Voltage |
| LVC | Low Voltage Controller |
| LVSE | Low Voltage State Estimator |
| MV | Medium Voltage |
| NAN | Neighbourhood Area Network |
| NHC | Network Hosting Capacity |
| NSE | Non-Supplied Energy |
| NSH | Night Storage Heater |
| OLTC | On Load Tap Changer (Transformer) |
| OPC UA | Open Platform Communications Unified Architecture |
| OPEX | Operational Expenditures |
| PLC | Power Line Communications |
| PRIME | PoweRline Intelligent Metering Evolution |
| PV | Photovoltaic (solar energy) |
| RAB | Regulatory Asset Base |
| RES | Renewable Energy Sources |
| SAIDI | System Average Interruption Duration Index |
| SAIFI | System Average Interruption Frequency Index |
| SGAM | Smart Grid Architecture Model |
| SOAP | Simple Object Access Protocol |
| SRA | Scalability and Replicability Analysis |
| TSO | Transmission System Operator |
| UoS | Use of System Tariff |
| VVC | VoltVar Control |
| WAC | Wide Area Control |
| WAN | Wide Area Network |
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