| BoD | Beginning of Gas Day |
| Co2 | Carbon Dioxide |
| Co2-e | Carbon Dioxide equivalent |
| CPRS | Carbon Pollution Reduction Scheme |
| Cogen | Cogeneration |
| CCGT | Combined Cycle Gas Turbine |
| DSN | Declared Shared Network |
| DTS | Declared Transmission System |
| DWGM | Declared Wholesale Gas Market |
| DSP | Demand Side Participation |
| DUID | Dispatchable Unit Identifier |
| DLF | Distribution Loss Factor |
| DNSP | Distribution Network Service Provider |
| EST | Eastern Standard Time |
| EDD | Effective Degree Day |
| ESOO | Electricity Statement of Opportunities |
| EoD LP | End of Day Linepack |
| EAAP | Energy Adequacy Assessment Projection |
| EMS | Energy Management System |
| FRMP | Financially Responsible Market Participant |
| FCAS | Frequency Control Ancillary Services |
| FRC | Full Retail Competition |
| FRC | Full Retail Contestability |
| GJ | Gigajoule |
| GWh | Gigawatt hour |
| IEC | Information Exchange Committee |
| kVA | Kilovolt ampere |
| kV | Kilovolts |
| kW | Kilowatt |
| LOR1 | Lack of Reserve 1 |
| LOR2 | Lack of Reserve 2 |
| LOR3 | Lack of Reserve 3 |
| LNSP | Local Network Service Provider |
| LR | Local Retailer |
| LRMC | Long-run marginal cost |
| LRC | Low Reserve Condition |
| MIBB | Market Information Bulletin Board |
| MMS | Market Management System |
| MOS | Market Operator Service |
| MPS | Market Price Cap |
| MSATS | Market Settlement and Transfer Solution Procedures |
| MT PASA | Medium Term Projected Assessment of System Adequacy |
| MW | Megawatt |
| MWh | Megawatt hours |
| NEM | National Electricity Market |
| NEMMCO | National Electricity Management Company Ltd |
| NER | National Electricity Rules |
| NTNDP | National Transmission Network Development Plan |
| NSP | Network Service Provider |
| NMNS | Non-market Non-scheduled |
| NMS | Non-market Scheduled |
| OCD | Over-constrained Dispatch |
| PJ | Petajoule |
| PV | Photovoltaic |
| PASA | Projected Assessment of System Adequacy |
| RRP | Regional Reference Price |
| RERT | Reliability and Emergency Reserve Trader |
| RET | Renewable Energy Target |
| SRA | Settlements Residue Auction |
| STPASA | Short Term Projected Assessment of System Adequacy |
| SCADA | Supervisory Control and Data Acquisition |
| SRAS | System Restart Ancillary Services |
| TJ | Terajoule |
| TWh | Terawatt hour |
| TNSP | Transmission Network Service Provider |
| UAFG | Unaccounted for Gas |
| USE | Unserved energy |
