Data includes: ex ante market price, provisional market price, mos stack data, allocation quantity, schedule log, hub and facility definitions, total contingency bid & offer, default allocation notice, contingency gas price and more.

Please note that the STTM started operation on 1 September 2010. Any market data related to gas days prior to 1 September are a result of the STTM Market Trial and were for Trial purposes only.

STTM Price and Withdrawals

• STTM Price and Withdrawals - February 2018 (449 KB, xlsx)

The data file ‘STTM Price and Withdrawal data’ contains data from market start to the current month. The data file will be updated within 5 business days of the start of the month.
 

Sydney Change in Linepack (CLP) - Historical Data

• CLP Value MJ (01 Jan 1999 - 30 Nov 2012)

Daily Files

• Ex Ante Market Price
  Ex ante market price at STTM  hubs for a gas day.

• Ex Ante Schedule Quantity 
  Ex ante market schedule quantity for each STTM facility for a gas day.

• Ex Ante Pipeline Data 
  Ex ante capacity price, flow constraint price and capacity quantity for each facility of type pipeline.

• Provisional Market Price
  Provisional prices for D-2 and D-3 for all STTM hubs.

• Provisional Schedule Quantity 
  Provisional schedule quantity for each STTM facility for D-2 and D-3.

• Provisional Pipeline Data
  Provisional capacity price, provisional flow constraint price and provisional capacity quantity for each facility of type pipeline for D-2 and D-3.

• Ex Post Market Data
  Ex post (D+1) details for the STTM hubs for a gas date.

• Latest Allocation Quantity 
  Total allocation quantity for each STTM facility.

• Bid & Offer Report 
  All bids and offers used in ex ante and D-2, D-3 provisional schedules for all STTM hubs.

• Contingency Gas Bid & Offer 
  Information on the received (by AEMO) contingency gas bids and offers for each STTM facility.

• Contingency Gas Called Scheduled Bid Offer 
  Information on the received (by AEMO) contingency gas bids and offers as well as the confirmed and called bids and offers for each STTM facility.

• Provisional Deviation Market Settlement 
  Daily total deviation quantity, total deviation charges and payments by facility.

• Provisional Variation and MOS Service Market Settlement 
  Daily variation quantity and charge amount as well as MOS settlement amounts by hub.

• Daily Provisional MOS Allocation Data 
  Daily provisional MOS allocation data.

• MOS Stack Data 
  MOS stack data for each STTM pipeline facility. It contains quantity and price data for each MOS stack step as well as the standing payment rate of the contract associated with each step as well as MOS Provider data.

• STTM Market Notices 
  Details of all current market notices.

• Market Parameters 
  Market parameters.

• Schedule Log 
  Details of published schedule runs.

• Settlement Version 
  The purpose of this report is to dispaly details of settlement runs (versions) where the due date has not passed.

• STTM Participant Register
  Details of all STTM registered participants, including but not limited to trading participants. The address shown is the head office address.

• Hub and Facility Definitions
  Details of all hubs and facilities in the STTM.

• Cumulative Price Threshold
  The calculated cumulative price for each STTM hub.

• Total Contingency Bid and Offer 
  Total contingency bid and offer for each hub.

• Total Contingency Gas Schedules 
  Total contingency bid and offer for each hub.

• Default Allocation Notice 
  This report is to inform the market when default facility allocation is applied.

• Rolling Ex Ante Price Average 
  Rolling average for previous 30 gas days of the ex ante hub price.

• Contingency Gas Price 
  High and low contingency gas prices if contingency gas was called for the gas date. 

• Daily Net Market Balance
  Provisional inputs to market surplus / shortfall calculation for the current billing period to date.

• Settlement Net Market Balance
  Inputs to market settlement surplus / shortfall calculation for the most recently published settlement statements.

• DP Flag
  Value of DP flag

• Provisional Capacity Data
  Provisional inputs required for the calculation of capacity payments / charges.

• Settlement MOS and Capacity Data
  MOS and capacity data for the most recently published settlement statements.

• Provisional Allocated MOS Steps
  Daily list of MOS steps with non-zero allocation for each MOS stack

• Settlement Allocated MOS steps
  MOS steps with non-zero allocation for each MOS stack for the most recently published settlement statements.

• Facility Hub Capacity Data
  Daily information on STTM facility hub default capacity, STTM facility maximum hub capacity and STTM facility hub capacity warning limits.

• Allocation Warning Limit Thresholds
  Daily information on STTM facility upper and lower allocation warning limits.

• Ex Post Pipeline Allocation Quantity
  Total allocation quantity and allocation quantity data quality for each STTM facility in the systems at the time the ex post imbalance price is run.

• Deviation Price Data 
  Deviation price and the data used to determine the deviation price for each STTM hub for a gas day.