Dispatch
Data is provided in comma delimited flat file format to enable access to a range of market data. Recent files are stored in a directory for current reports, and older files are moved into the archive reports directory. Prices quoted in these files are exclusive of GST. File names include date and time stamps and a unique identifier to differentiate the files: eg.
PUBLIC_DISPATCHIS_200511081245_0000000068650088.ZIP
Dispatch
This file contains public 5 minute dispatch data by region. Data covers interconnector flows, constraints, regional reference price, demand, dispatchable generation, dispatchable load, and ancillary services data. This file format will be updated in line with NEM market developments. Please see note
- Dispatch - (approx. size 10Kb) 2 day rolling window
- Archive files - data stored in daily files
Trading
This file contains public 30 minute dispatch data by region. Data covers interconnector flows, regional reference price, demand, dispatchable generation, dispatchable load, and ancillary services data. This file format will be updated in line with NEM market developments. Please see note
- Trading - (approx. size 5Kb) 14 day rolling window
- Archive files - data stored in daily files
Daily Aggregated Dispatch
This file is generated daily, shortly after 0400. It contains previous day data for all dispatch and trading intervals. Data provided by generating unit includes initial MW, dispatch targets and ramp rates. By region data includes regional reference prices, demand, dispatchable load, and net interchange. Please see note
- Daily Aggregated Dispatch - (approx. size 35Mb) 2 month rolling window
- Archive files - data stored in monthly files
Next Day Dispatch
This file is generated daily, shortly after 0400. The file contains, for each dispatch interval of the previous trading day, all unit dispatch, unit local price and constraint solutions from each 5-minute dispatch run, and the date-time version of each unit energy and FCAS offer used in each dispatch run. The file does not contain details of each unit energy and FCAS offers but these can be found at Yesterday's Bids
- Next Day Dispatch - (approx. size 50Mb) 2 month rolling window
- Archive files - data stored in monthly files
Legacy Dispatch
This file contains public 5 minute dispatch data by region. Data covers interconnector flows, constraints, regional reference price, demand, dispatchable generation, dispatchable load, and ancillary services data. Note this is a legacy file format that has been replaced by the new dispatch format. The legacy format will not be extended to include market developments and it is AEMO's intention to discontinue the production of this file format at sometime in the future. Please see note
- Legacy Dispatch - (approx. size 45Kb) 2 day rolling window
- Archive files - data stored in daily files
Legacy Predispatch
This file contains 30 minute predispatch (forecast) data by region to the end of the next market day, and is updated half hourly. Data covers forecast interconnector flows, constraints, regional reference price, demand, dispatchable generation, dispatchable load, and ancillary services data. Note this is a legacy file format that has been replaced by the new predispatch format. The legacy format will not be extended to include market developments and it is AEMO's intention to discontinue the production of this file format at sometime in the future. Please see note
- Legacy Predispatch - (approx. size 5Mb) 14 day rolling window
- Archive files - data stored in weekly files
Preadministered Dispatch
This file is generated for each dispatch interval. It contains dispatch prices before applying Administered Price Cap (APC)/Administered Floor Price (AFP). The data in this file is not supported by the MMS Data Model.
The National Electricity Market registration classification of Yarwun Power Station Unit 1 (dispatchable unit ID: YARWUN_1) is market non-scheduled generating unit. However, it is a condition of the registration of this unit that the Registered Participant complies with some of the obligations of a Scheduled Generator. This unit is dispatched as scheduled generating unit with respect to its dispatch offers, targets and generation outputs. Accordingly, information about YARWUN_1 is reported as scheduled generating unit information.
The Tumut 3 Pumps (dispatchable unit ID: SNOWYP) are not classified as scheduled load in the National Electricity Market. However, they are required to comply with some of the obligations of a Market Customer in respect of a scheduled load. The Tumut 3 Pumps are dispatched as if they were scheduled loads with respect to their dispatch bids, targets and consumption. Accordingly, information about SNOWYP is reported as market scheduled load information.
The National Electricity Market registration classifications of Starfish Hill Wind Farm, Canunda Wind Farm, Cathedral Rocks Wind Farm, Mt Millar Wind Farm, Lake Bonney 1 Wind Farm and Wattle Point Wind Farm (dispatchable unit IDs STARHLWF, CNUNDAWF, CATHROCK, MTMILLAR, LKBONNY1 and WPWF) are market non-scheduled generating units. However, it is a condition of the registration of these units that the Registered Participant complies with some of the obligations of a Semi-Scheduled Generator. These units are dispatched as semi-scheduled generating units with respect to their dispatch offers, dispatch levels and generation outputs. Accordingly, information about these dispatchable units are reported as semi-scheduled generating unit information.
Disclaimer
This data is provided for information only and is not intended for commercial use. AEMO does not guarantee the accuracy of the data or its availability at all times.