STTM IIR 14 002 STTM Deviations and the Settlement Surplus and Shortfall

26/08/2019
Market STTM
StageImpact Implementation Report
ConvenorAEMO Gas
Initiated04/07/2014
Accepting submissions?Yes
Submissions close29/08/2014

AEMO is consulting on changes to the STTM Procedures to align the procedures with the National Gas Rules, as set out in the National Gas Amendment Rule 2014 No. 2. These rules commence on 1 November 2014.

Proposed Procedure Changes

AEMO has published a Proposed Procedure Change below, covering the following modifications to the STTM Procedures:

  • Change the way deviation prices are determined effecting the resulting deviation payments and charges.
  • Create a new Market Information System (MIS) report to show the deviation prices used on a gas day.
  • Modify the settlement surplus and shortfall allocation methodology to allocate shortfalls on the basis on withdrawals.
STTM PPC 14-002 STTM Deviations and the Settlement Surplus and Shortfall
04 July 2014 | filesize: 397 KB (.pdf)
STTM Deviation Pricing and Settlement Surplus and Shortfall Design Summary
04 July 2014 | filesize: 280 KB (.pdf)
STTM Deviation Pricing and Settlement Surplus and Shortfall Design Summary v2
26 September 2014 | filesize: 528 KB (.pdf) 

Impact Implementation Report
AEMO has published an Impact Implementation Report (IIR) which details the proposed changes to the STTM Procedures.

STTM IIR 14-002 STTM Deviations and the Settlement Surplus and Shortfall
01 August 2014 | filesize: 491 KB (.pdf)
AGL submission to STTM deviations and the Settlement Surplus and Shortfall
26 September 2014 | filesize: 187 KB (.pdf)
GDF SUEZ submission to STTM deviations and the Settlement Surplus and Shortfall
26 September 2014 | filesize: 972 KB (.pdf)

Notice to Participants of AEMOs decision on making the STTM Procedures - version 10.0
AEMO has published a notice to participants of AEMOs decision on making the STTM Procedures - version 10.0. New STTM Procedures come into effect on Saturday, 1 November 2014.

Notice to Participants of AEMOs decision on making the STTM Procedures - version 10.0
26 September 2014 | filesize: 931 KB (.pdf)

Updated STTM Procedures can be found here: Rules Procedures and Interface Protocol

Average MOS cost data

This spreadsheet contains the daily average MOS cost for the period between 1 September 2014 and the commencement of publication of the MIS report INT690 in November 2014.

This spreadsheet will be updated on a weekly basis (by COB every Friday) and is for information only.

Note: The average MOS cost for the previous gas dates are calculated using historical data.

Average MOS cost data
6 November 2014 | filesize: 17.2 KB (.xlsx)
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