| ATC | Available Transmission Capacity | |
| CBCORA | Critical Branch, Critical Outages, Remedial Actions | Input file type of the Capacity Calculation processes, contraining the contingencies, the monitored elements, the remedial actions and additional constraints. Similar to CRAC. |
| CCR | Capacity Calculation Region | |
| CGM | Common Grid Model | |
| CGMES | Common Grid Model Exchange Standard | The CGMES format is currently used in the SWE region. |
| CNE | Critical Network Element | Name of the output file of the Capacity Calculation process in CGMES format. |
| CRAC | Contingencies, Remedial actions, Additional Constraints | Input file type of the Capacity Calculation processes, contraining the contingencies, the monitored elements, the remedial actions and additional constraints. Similar to CBCoRA. |
| D2CF | Day-2 Congestion Forecast | |
| DACF | Day Ahead Congestion Forecast | |
| GLSK | Generation and Load Shift Key | Input file type of the Capacity Calculation processes, defining the scaling strategies to simulate injections modification on a network model. Can be found as GSK or LSK. |
| HVDC | High Voltage Direct Current | |
| IGM | Individual Grid Model | |
| IN | Italy North | CCR containing Austria (AT), France (FR), Italy (IT), Slovenia (SI) and Switzerland (CH). Sometimes called CSE (Central Southern Europe), but it is an old name. |
| NTC | Net Transmission Capacity | |
| PiSa | Piedmont-Savoy | Name of the HVDC line between Piossasco (IT) and Grande-Île (FR). |
| PST | Phase Shift Transformer | Specialized type of transformer, typically used to control the flow of active power on three-phase electric transmission networks. It does so by regulating the voltage phase angle difference between two nodes of the system. More info available here. |
| SWE | South Western Europe | CCR containing France (FR), Portugal (PT) and Spain (ES). |
| TTC | Total Transmission Capacity | |
| TRM | Transmission Reliability Margin | Margin applied on calculated TTC to hedge against uncertainties in flow forecasts. |
| UCTE | Union for the Coordination of the Transmission of Electricity | Former name of the ENTSO-E. The UCTE format is currenly used in the IN and Core regions. More info available here. |