Market Notices

117448INTER-REGIONAL TRANSFER25/07/2024 03:46:44 PM

Inter-regional transfer limit variation - Keilor - Sth Morang 500kV Line - VIC region - 25/07/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Keilor - Sth Morang 500kV Line - VIC region - 25/07/2024

A planned outage of Keilor - Sth Morang 500kV Line ] in the VIC region was scheduled from 0700 hrs 25/07/2024 to 1630 hrs 25/07/2024.

The outage has been completed and Keilor - Sth Morang 500kV Line returned to service at 1450 hrs 25/07/2024

Constraint set(s) revoked: V-KTSM_R

Manager NEM Real Time Operations
     
117443RESERVE NOTICE25/07/2024 03:08:03 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region on 31/07/2024

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the TAS region for the following period:

From 0800 hrs to 0900 hrs 31/07/2024.
The forecast capacity reserve requirement is 555 MW.
The minimum capacity reserve available is 524 MW.

AEMO Operations
     
117442RESERVE NOTICE25/07/2024 03:06:45 PM

STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the TAS Region on 29/07/2024

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the TAS region for the following period:

From 0730 hrs to 0900 hrs 29/07/2024.
The forecast capacity reserve requirement is 555 MW.
The minimum capacity reserve available is 524 MW.

AEMO Operations
     
117411INTER-REGIONAL TRANSFER22/07/2024 09:50:31 AM

Inter-regional transfer limit variation - Heywood - South East 1 275 kV Line - SA region - 22/07/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Heywood - South East 1 275 kV Line - SA region - 22/07/2024

A planned outage of Heywood - South East 1 275 kV Line in the SA region was scheduled from 0930 hrs 22/07/2024 to 1700 hrs 22/07/2024.

The outage has been cancelled.

Constraint set(s) revoked:
I-HYSE
I-VS+LKB_050
I-VS_050
S-SECB6611_10
S-SE_1CP

Manager NEM Real Time Operations
     
117402RECLASSIFY CONTINGENCY21/07/2024 01:54:16 PM

Cancellation of a Non-Credible Contingency Event: Farrell - Reece No.1 220 kV line and Farrell - Reece No.2 220 kV line in TAS1 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: TAS1

Lines: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV

Cancellation time: 21/07/2024 13:54

Constraint set(s) revoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1


Refer AEMO Electricity Market Notice 117401

Auto-generated on behalf of Manager NEM Real Time Operations
     
117401RECLASSIFY CONTINGENCY21/07/2024 12:51:46 PM

Reclassification of a Non-Credible Contingency Event: Farrell - Reece No.1 220 kV line and Farrell - Reece No.2 220 kV line in TAS1 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: TAS1

Lines: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV

Duration: 21/07/2024 12:51 until further notice

Constraint set(s) invoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1


Auto-generated on behalf of Manager NEM Real Time Operations
     
117392RECLASSIFY CONTINGENCY20/07/2024 04:12:34 PM

Cancellation: Reclassification of non-credible contingency event due to existence of widespread abnormal conditions - South Australia and Victoria regions.

AEMO ELECTRICITY MARKET NOTICE.

AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 117373 is no longer reasonably possible and accordingly its classification has reverted to non-credible.

Cancellation time: 1610 hrs 20/07/2024.

Constraint set(s) revoked:
I-SV_250
I-VS_250

Manager NEM Real Time Operations
     
117391RECLASSIFY CONTINGENCY20/07/2024 04:08:54 PM

Cancellation of the 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.

Cancellation of the 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 is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: SA

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

Cancellation time: 1600 hrs 20/07/2024
Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 117358.

Manager NEM Real Time Operations
     
117390RECLASSIFY CONTINGENCY20/07/2024 04:07:20 PM

Cancellation of the 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.

Cancellation of the 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 is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: SA

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

Cancellation time: 1600 hrs 20/07/2024
Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 117363.

Manager NEM Real Time Operations
     
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