Market Notices

112181RECLASSIFY CONTINGENCY11/12/2023 02:46:31 PM

Update - Non-credible contingency event - SA region - 11/12/2023

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - SA region - 11/12/2023

Refer AEMO Electricity Market Notice 112170

Region: SA

At 0444 hrs the Mintaro - Waterloo 132 kV Line tripped and the Clare North - Mintaro 132 kV Line tripped at the Mintaro end only.

At 1413 hrs the Clare North - Mintaro 132 kV Line was returned to service (RTS)

The following constraint set(s) invoked:
S-X-MNWT+CB

The following constraint set(s) revoked:
S-BR_MN+MN_WT

This constraint set(s) contains equations with the following interconnectors on the LHS:
V-S-MNSP1


Refer to the AEMO Network Outage Scheduler for further information.


Manager NEM Real Time Operations
112172GENERAL NOTICE11/12/2023 11:08:03 AM

NEM Local Temperature Alerts for VIC from 11 Dec 2023 to 15 Dec 2023

AEMO ELECTRICITY MARKET NOTICE

AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.

VIC
Mildura Ap (39+ Deg C): 12th Dec

The NEM Local Temperature Alert Levels are:

Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.

AEMO requests Market Participants to:

1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,

2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.

Further information is available at:

https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts

AEMO Operations Planning
112170RECLASSIFY CONTINGENCY11/12/2023 07:44:18 AM

Update - Non-credible contingency event - SA region - 11/12/2023

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - SA region - 11/12/2023

Refer AEMO Electricity Market Notice 112165

Region: SA

The following constraint set(s) invoked:
Initially S-MNWT and S-MN_0 then replaced with S-BR_MN+MN_WT

This constraint set(s) contains equations with the following interconnectors on the LHS:
V-S-MNSP1


Refer to the AEMO Network Outage Scheduler for further information.


Manager NEM Real Time Operations
112162GENERAL NOTICE10/12/2023 09:05:21 PM

Network Augmentation Commissioned - SA Region - 10/12/2023

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - SA Region - 10/12/2023

Commissioned: Robertstown - Bundey No. 1 275 kV Line
Bundey 275 kV Swtichyard

Manager NEM Real Time Operations
112161RECLASSIFY CONTINGENCY10/12/2023 03:45:45 PM

Reclassification of a Non-Credible Contingency Event: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines in SA due to severe weather warning.

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: SA

Lines: Brinkworth-Davenport, Brinkworth-Templers West and Para-Templers West 275kV lines

Duration: 10/12/2023 15:45 hrs until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
112160RESERVE NOTICE10/12/2023 03:43:03 PM

STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 14/12/2023.

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 112042 has been updated at 1530 hrs 10/12/2023 to the following:

From 1600 hrs 14/12/2023 to 1830 hrs 14/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1076 MW.


Manager NEM Real Time Operations
112156RECLASSIFY CONTINGENCY10/12/2023 12:30:18 PM

Reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: SA

Lines: Para-Templers West and Magill-Torrens Island A 275kV lines

Duration: 10/12/2023 12:30 hrs until further notice
Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
112155RECLASSIFY CONTINGENCY09/12/2023 10:59:35 PM

Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: NSW1

Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 09/12/2023 22:59

Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Refer AEMO Electricity Market Notice 112136

Auto-generated on behalf of Manager NEM Real Time Operations
112136RECLASSIFY CONTINGENCY09/12/2023 03:57:50 PM

Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: NSW1

Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Duration: 09/12/2023 15:57 until further notice

Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Auto-generated on behalf of Manager NEM Real Time Operations
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