Market Notices

57256RESERVE NOTICE07/02/2017 02:13:11 PM

RESERVE NOTICE MT PASA PUBLICATION 07 FEBRUARY 2017

AEMO ELECTRICITY MARKET NOTICE

The MTPASA result published on 07 February 2017 shows Low Reserve Conditions (LRC) in South Australia for February and March 2017, Summer 2017-18, Summer 2018-19, and in Victoria for March 2017, Summer 2017-18 and January 2019. AEMO will continue to monitor the situation and take appropriate actions, if necessary.

Although the Portland Aluminium smelter is currently operating at a reduced load, Alcoa Portland Aluminium has not provided AEMO with their load forecasts for the medium term time frame. Hence, AEMO has not updated the MT PASA demand forecast in relation to this.

To view the summary of MTPASA results for the next 24 months, visit AEMO's website on http://www.aemo.com.au/Electricity/National-Electricity-Market-NEM/Data-dashboard and click on the 'Medium Term Outlook' tab.

This notice supersedes Market Notice 57114 published on 31 January 2017.

Background
As part of a broader process of implementing the reliability standard, AEMO runs the Medium Term Projected Assessment of System Adequacy (MTPASA) process weekly to forecast capacity reserve conditions over a two year period.
AEMO may apply probabilistic studies such as Energy Adequacy Assessment Projection (EAAP) to confirm the LRC findings of MTPASA before intervening in the market.

For more information about how AEMO implements the reliability standard, please view the Reliability Standard Implementation Guidelines (RSIG) available on AEMO website at
http://www.aemo.com.au/-/media/Files/Stakeholder_Consultation/Consultations/Electricity_Consultations/2016/EAAP/Reliability-Standard-Implementation-Guidelines.pdf

Supply Planning
AEMO
57255INTER-REGIONAL TRANSFER07/02/2017 01:19:07 PM

Cancellation - Inter-Regional Transfer Limit Variation: Dederang - South Morang No1 330kV transmission line (VIC Region) 7 February 2017

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-Regional Transfer Limit Variation: Dederang - South Morang No1 330kV transmission line (VIC Region) 7 February 2017

Refer AEMO Electricity Market Notice 57248

The Dederang - South Morang No 1 330kV Transmission line returned to service at 1248 hrs.

Constraint Sets revoked from 1305 hrs

V-DBUSS_L, V-DBUSS_T and V-DDSM

The Constraint Sets contain equations with the following interconnectors on the LHS.

N-Q-MNSP1
NSW1-QLD1
V-S-MNSP1
VIC1- NSW1
T-V-MNSP1
V-SA


Manager NEM Real Time Operations

57254RECLASSIFY CONTINGENCY07/02/2017 08:31:13 AM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje 7165 and 7166 132 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje 7165 and 7166 132 kV Lines in Queensland due to Lightning.
Refer AEMO Electricity Market Notice 57246
There is no longer any lightning activity in the vicinity of the Chalumbin - Turkinje 7165 and 7166 132 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0825 hrs.

Manager NEM Real Time Operations
57253RECLASSIFY CONTINGENCY07/02/2017 08:32:59 AM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Chalumbin - Woree 876 and 877 275 kV Lines. in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Chalumbin - Woree 876 and 877 275 kV Lines. in Queensland due to Lightning.
Refer to AEMO Electricity Market Notice no. 57245
There is no longer any Lightning activity in the vicinity of the Chalumbin - Woree 876 and 877 275 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0825 hrs.

Manager NEM Real Time Operations
57252RECLASSIFY CONTINGENCY07/02/2017 08:34:08 AM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.

Refer to AEMO Electricity Market Notice no. 57244
There is no longer any Lightning activity in the vicinity of the Ross - Chalumbin 857 and 858 275 kV Lines.
AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0825 hrs 07/02/2017.

Manager NEM Real Time Operations
57251SETTLEMENTS RESIDUE07/02/2017 08:00:18 AM

[EventId:201702070800_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 07 February 2017 08:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0800 hrs on 7 February 2017

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 7 February 2017.

Refer to market notice: 57247

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the QLD to NSW directional interconnector.

The negative residue constraint NRM_QLD1_NSW1 ceased operating at 0800 hrs on 7 February 2017.

This is an AEMO autogenerated Market Notice.
57250PRICES UNCHANGED07/02/2017 07:02:42 AM

[EventId:201702070705_confirmed] Prices for interval 07-Feb-2017 07:05 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0702 hrs on 7 February 2017

PRICES ARE NOW CONFIRMED for dispatch interval 07-Feb-2017 07:05.

In accordance with Market Notice 57249 AEMO has reviewed this dispatch interval and determined that:
- Manifestly Incorrect Inputs did not apply

Prices remain unchanged.


This is an AEMO autogenerated Market Notice.
57249PRICES SUBJECT TO REVIEW07/02/2017 07:00:18 AM

[EventId:201702070705_review] Prices for interval 07-Feb-2017 07:05 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0700 hrs on 7 February 2017

PRICES ARE SUBJECT TO REVIEW for dispatch interval 07-Feb-2017 07:05.

AEMO is reviewing these prices in accordance with:
- Clause 3.9.2(b) of the National Electricity Rules for Manifestly Incorrect Inputs


This is an AEMO autogenerated Market Notice.
57248INTER-REGIONAL TRANSFER07/02/2017 07:00:13 AM

Inter-Regional Transfer Limit Variation No1 Dederang - South Morang 330kV transmission line (VIC Region) 7 February 2017

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer Limit Variation Dederang - South Morang No1 330kV transmission line (VIC Region) 7 February 2017

The TNSP in the Victoria Region has advised of an unplanned outage of the Dederang - South Morang No 1 330kV Transmission line from 0647 hrs until further notice.

Constraint Sets invoked from 0655 hrs

V-DBUSS_L, V-DBUSS_T and V-DDSM


The Constraint Sets contain equations with the following interconnectors on the LHS.

N-Q-MNSP1
NSW1-QLD1
V-S-MNSP1
VIC1- NSW1
T-V-MNSP1
V-SA


Manager NEM Real Time Operations
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