Market Notices

112745INTER-REGIONAL TRANSFER25/12/2023 09:37:47 PM

Inter-regional transfer limit variation - Greenbank - Molendinar 8824 275 kV line - QLD region - 25/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Greenbank - Molendinar 8824 275 kV line - QLD region - 25/12/2023

At 2057 hrs 25/12/2023 there was an unplanned outage of Greenbank - Molendinar 8824 275 kV line

The outage has been returned to service at 2125 hrs 25/12/2023

Constraint set(s) invoked: Q-GBMO_8824_8825 from 2105 hrs to 2125 hrs


This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q_MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
112621INTER-REGIONAL TRANSFER23/12/2023 12:38:04 PM

Inter-regional transfer limit variation - Palmerston - Hadspen 220 kV Line - TAS region - 23/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Palmerston - Hadspen 220 kV Line - TAS region - 23/12/2023

A planned outage of Palmerston - Hadspen 220 kV Line in the TAS region was scheduled from 1000 hrs 23/12/2023 to 1500 hrs 23/12/2023.

The outage has been completed and returned to service at 1045 hrs 23/12/2023

Constraint set(s) invoked:
T-HAPM_220

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
112613INTER-REGIONAL TRANSFER23/12/2023 06:39:17 AM

Inter-regional transfer limit variation - [outage element] - NSW region - 23/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - [outage element] - NSW region - 23/12/2023


A planned outage of KEMPS CREEK No 2 525/345/34 kV Transformer in the NSW region was scheduled from 0600 hrs 23/12/2023 to 1200 hrs 23/12/2023.

The outage has been cancelled.

The following constraint set(s) invoked at 0600 hrs 23/12/2023
N-KC_TX

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q_MNSP1
NSW1-QLD1
VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
112590INTER-REGIONAL TRANSFER22/12/2023 01:01:28 PM

Inter-regional transfer limit variation - Palmerston - Hadspen 2 220kV line - TAS region - 22/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Palmerston - Hadspen 2 220kV line - TAS region - 22/12/2023

At 1300 hrs 22/12/2023 there was a short notice outage of Palmerston - Hadspen 2 220kV line.

Constraint set(s) invoked: T-HAPM_220


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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
112579POWER SYSTEM EVENTS21/12/2023 03:12:07 PM

Non-credible contingency event - QLD region - 21/12/2023

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 21/12/2023

At 1424 hrs the H14 Middle Ridge 275 kV circuit breakers 5432 and 5422 tripped. This offloaded the H14 Middle Ridge No.2 and No.3 275/110 kV transformers.

AEMO did not instruct load shedding.

AEMO has not been advised of any disconnection of bulk electrical load.

The cause of this non credible contingency event is not known at this stage.


Manager NEM Real Time Operations
112485RESERVE NOTICE18/12/2023 12:19:11 PM

STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 19/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 112483 is cancelled at 1100 hrs 18/12/2023.

No LOR2 condition is currently forecast in the STPASA period.

AEMO Operations
112483RESERVE NOTICE18/12/2023 05:03:52 AM

STPASA - Update to the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 19/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 112471 has been updated at 0500 hrs 18/12/2023 to the following:

From 1230 hrs 19/12/2023 to 1600 hrs 19/12/2023.
The forecast capacity reserve requirement is 1071 MW.
The minimum capacity reserve available is 42 MW.

AEMO is seeking a market response.

AEMO estimates that the latest time at which permission can be given for a planned outage to proceed is 0530 hrs on 19/12/2023.

Manager NEM RTO
112471RESERVE NOTICE17/12/2023 03:22:25 PM

STPASA - Update to the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 19/12/2023

AEMO ELECTRICITY MARKET NOTICE

The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 112427 has been updated at 1515 hrs 17/12/2023 to the following:

From 1230 hrs 19/12/2023 to 1600 hrs 19/12/2023.
The forecast capacity reserve requirement is 1346 MW.
The minimum capacity reserve available is 205 MW.

AEMO is seeking a market response.

AEMO estimates that the latest time at which permission can be given for a planned outage to proceed is 0530 hrs on 19/12/2023.

Manager NEM RTO
112433INTER-REGIONAL TRANSFER17/12/2023 06:09:07 AM

Inter-regional transfer limit variation: Hazelwood - South Morang No 1 500 kV Line (VIC) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

The Hazelwood - South Morang No 1 500 kV Line has been de-energised to manage voltages in the Victoria region.

The following constraint set was invoked at 0600 hrs 17/12/2023

V-HWSM

The constraint set contains equations with the following interconnectors on the LHS.

T-V-MNSP
V-S-MNSP1
V-SA
VIC1-NSW1

Refer to AEMO Network Outage Scheduler (NOS) for return to service details

Manager NEM Real Time Operations
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