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PARTICIPANTCATEGORY

PARTICIPANTCATEGORY sets out valid participant categories.

PARTICIPANTCATEGORY is public data, so is available to all participants.

Source

PARTICIPANTCATEGORY updates as categories change. PARTICIPANTCATEGORY changes infrequently.

Column Schema

PARTICIPANTCATEGORYID

Participant category identifier

SQL Type: VARCHAR2(10) Polars Type: str

This column is mandatory, and a primary key.

Examples:

  • B2B_ACCRED
  • CUSTOMER
  • DATAACCESS
  • DISTOP
  • DNSP
  • DRSP
  • EMBNETMAN
  • GAS
  • GENERATOR
  • INTERNAL

DESCRIPTION

Category description

SQL Type: VARCHAR2(64) Polars Type: str

This column is not mandatory.

Examples:

  • B2B Accredited Participant
  • Customer
  • Data Access Participant
  • Demand Response Service Provider
  • Distribution Network Service Provider
  • Distribution Operator
  • Embedded Network Manager
  • Gas Market Participant
  • Generator
  • Improving Security Frameworks (ISF)

LASTCHANGED

Last date and time record changed

For more information, see the dedicated documentation page.

SQL Type: DATE Polars Type: pl.Datetime()

This column is not mandatory.

Example: 1998/06/30 22:11:13

New Data Timing

When categories change

Code Examples

Polars

Casting is enums, categoricals etc is not essential, but may speed up parsing. Swapping int for pl.UInt16, pl.Int32 would also speed up parsing. However some of the datatypes are inferred, so they may be wrong.

This code deduplicates for you. Deduplication is normally only required across multiple months.

This code assumes that all columns are present, which may not be true for older files.

import polars as pl
import polars.selectors as cs

# e.g. "2029/03/15 00:05:00"
dt_s_fmt = "%Y/%m/%d %H:%M:%S"

csv_paths = ["SOMEFILE.CSV", "OTHERFILE.CSV"]

lf = (
    pl.concat(
        [
            pl.scan_csv(
                csv_path,  # must be unzipped beforehand
                skip_rows=1,  # skip the header
                infer_schema=False,  # much faster
            )
            .filter(cs.by_index(0) == "D")  # drop the footer
            .select(~cs.by_index(range(4)))  # drop metadata columns
            for csv_path in csv_paths
        ],
        how="diagonal_relaxed",
    )
    .with_columns(
        pl.col("LASTCHANGED").str.strptime(pl.Datetime, dt_s_fmt),
    )
    .cast({"PARTICIPANTCATEGORYID": str, "DESCRIPTION": str})
    # Deduplicate
    # We want one row per ['PARTICIPANTCATEGORYID']
    # Tie-breaker: greatest value of ['LASTCHANGED']
    .sort(["LASTCHANGED"], descending=False)
    .unique(subset=["PARTICIPANTCATEGORYID"], keep="last")
)

Nemosis

This table is not yet available in Nemosis.

Example File

From PUBLIC_ARCHIVE_PARTICIPANTCATEGORY_FILE01_202609010000.zip

PARTICIPANTCATEGORYIDDESCRIPTIONLASTCHANGED
CUSTOMERCustomer1998/06/30 22:11:13
GENERATORGenerator1998/06/30 22:11:13
NSPNetwork Service Provider1998/06/30 22:11:13
MDAMetering Data Agent1998/06/30 22:11:13
TRANSOPTransmission Network Operator1998/06/30 22:11:13
TRADERSRA Settlement Residue Trader1999/07/09 10:13:10
MNSPMarket Network Service Provider2000/04/06 08:30:25
INTERNALInternal - NEMMCO only2000/09/21 15:18:53
NONCODENon-Code Participant2001/11/22 08:39:04
REALLOCATRReallocator2007/11/07 11:36:58
DNSPDistribution Network Service Provider2010/12/02 09:51:36
...

CSETP.WORLDDVD_PARTICIPANTCATEGORYAEMOPUBLIC2026/10/0916:21:28001791526888290MONTHLY_ARCHIVE001791526888290
IPARTICIPANT_REGISTRATIONPARTICIPANTCATEGORY1PARTICIPANTCATEGORYIDDESCRIPTIONLASTCHANGED
DPARTICIPANT_REGISTRATIONPARTICIPANTCATEGORY1CUSTOMERCustomer1998/06/30 22:11:13
DPARTICIPANT_REGISTRATIONPARTICIPANTCATEGORY1GENERATORGenerator1998/06/30 22:11:13
DPARTICIPANT_REGISTRATIONPARTICIPANTCATEGORY1NSPNetwork Service Provider1998/06/30 22:11:13
DPARTICIPANT_REGISTRATIONPARTICIPANTCATEGORY1MDAMetering Data Agent1998/06/30 22:11:13
DPARTICIPANT_REGISTRATIONPARTICIPANTCATEGORY1TRANSOPTransmission Network Operator1998/06/30 22:11:13
DPARTICIPANT_REGISTRATIONPARTICIPANTCATEGORY1TRADERSRA Settlement Residue Trader1999/07/09 10:13:10
DPARTICIPANT_REGISTRATIONPARTICIPANTCATEGORY1MNSPMarket Network Service Provider2000/04/06 08:30:25
DPARTICIPANT_REGISTRATIONPARTICIPANTCATEGORY1INTERNALInternal - NEMMCO only2000/09/21 15:18:53
DPARTICIPANT_REGISTRATIONPARTICIPANTCATEGORY1NONCODENon-Code Participant2001/11/22 08:39:04
DPARTICIPANT_REGISTRATIONPARTICIPANTCATEGORY1REALLOCATRReallocator2007/11/07 11:36:58
DPARTICIPANT_REGISTRATIONPARTICIPANTCATEGORY1DNSPDistribution Network Service Provider2010/12/02 09:51:36
...
CEND OF REPORT32

PARTICIPANTCATEGORYID,DESCRIPTION,LASTCHANGED
CUSTOMER,Customer,"1998/06/30 22:11:13"
GENERATOR,Generator,"1998/06/30 22:11:13"
NSP,"Network Service Provider","1998/06/30 22:11:13"
MDA,"Metering Data Agent","1998/06/30 22:11:13"
TRANSOP,"Transmission Network Operator","1998/06/30 22:11:13"
TRADER,"SRA Settlement Residue Trader","1999/07/09 10:13:10"
MNSP,"Market Network Service Provider","2000/04/06 08:30:25"
INTERNAL,"Internal - NEMMCO only","2000/09/21 15:18:53"
NONCODE,"Non-Code Participant","2001/11/22 08:39:04"
REALLOCATR,Reallocator,"2007/11/07 11:36:58"
DNSP,"Distribution Network Service Provider","2010/12/02 09:51:36"
...

C,SETP.WORLD,DVD_PARTICIPANTCATEGORY,AEMO,PUBLIC,2026/10/09,16:21:28,001791526888290,MONTHLY_ARCHIVE,001791526888290
I,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,PARTICIPANTCATEGORYID,DESCRIPTION,LASTCHANGED
D,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,CUSTOMER,Customer,"1998/06/30 22:11:13"
D,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,GENERATOR,Generator,"1998/06/30 22:11:13"
D,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,NSP,"Network Service Provider","1998/06/30 22:11:13"
D,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,MDA,"Metering Data Agent","1998/06/30 22:11:13"
D,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,TRANSOP,"Transmission Network Operator","1998/06/30 22:11:13"
D,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,TRADER,"SRA Settlement Residue Trader","1999/07/09 10:13:10"
D,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,MNSP,"Market Network Service Provider","2000/04/06 08:30:25"
D,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,INTERNAL,"Internal - NEMMCO only","2000/09/21 15:18:53"
D,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,NONCODE,"Non-Code Participant","2001/11/22 08:39:04"
D,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,REALLOCATR,Reallocator,"2007/11/07 11:36:58"
D,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,DNSP,"Distribution Network Service Provider","2010/12/02 09:51:36"
...
C,"END OF REPORT",32

Availability

Visibility: Public

This table is in the public monthly MMSDM archive.

I have collated the list of all those files into one place, in this CSV metadata file. (Columns year, month, url, compressed_size in bytes).

The earliest available data is month 1 of 2015. The most recent available data is month 9 of 2026.

Every month in between has a file. (No gaps.)

Data Size

Each year of data is approximately 13 KB when zipped, 133 KB as unzipped CSV.

Deduplication and PDR Loader Configuration

The primary keys are:

The transaction type is "insert", which means that you will usually not see duplicate data. If you do, you can deduplicate based on the primary keys, without sorting first. Rows from different files with the same primary keys should have the same values.

PDR Loader configuration is:

Report Name Report Subtype Version
PARTICIPANT_REGISTRATION PARTICIPANTCATEGORY 1

This means that the CSV files start with metadata columns:

I,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,...
D,PARTICIPANT_REGISTRATION,PARTICIPANTCATEGORY,1,...

Indexes

This page as JSON (schema documented here, but may change)

Download a JSON Schema specification for this table.

Official AEMO schema documentation

Other Information

Package: PARTICIPANT_REGISTRATION