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128379INTER-REGIONAL TRANSFER27/07/2025 10:56:17 AM
Inter-regional transfer limit variation - South_East N 275kV BUS- SA region - 27/07/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - South_East N 275kV BUS - SA region - 27/07/2025
A planned outage of South_East N 275kV BUS in the SA region was scheduled from 0730 hrs 23/07/2025 to 1730 hrs 27/07/2025.
The outage has been completed and South_East N 275kV BUSt returned to service at 1100 hrs 27/07/2025
Constraint set(s) revoked: S-SECB6611_10
Manager NEM Real Time Operations
Inter-regional transfer limit variation - South_East N 275kV BUS - SA region - 27/07/2025
A planned outage of South_East N 275kV BUS in the SA region was scheduled from 0730 hrs 23/07/2025 to 1730 hrs 27/07/2025.
The outage has been completed and South_East N 275kV BUSt returned to service at 1100 hrs 27/07/2025
Constraint set(s) revoked: S-SECB6611_10
Manager NEM Real Time Operations
128378NON-CONFORMANCE26/07/2025 09:25:25 PM
NON-CONFORMANCE Region QLD1 Saturday, 26 July 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Saturday, 26 July 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: ULPBESS1
Duration: 26/07/2025 21:15 to 26/07/2025 21:25
Amount: 6 MW
Constraint: NC-Q_ULPBESS1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Saturday, 26 July 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: ULPBESS1
Duration: 26/07/2025 21:15 to 26/07/2025 21:25
Amount: 6 MW
Constraint: NC-Q_ULPBESS1
Auto-generated on behalf of Manager NEM Real Time Operations
128375NON-CONFORMANCE26/07/2025 02:05:19 PM
NON-CONFORMANCE Region VIC1 Saturday, 26 July 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE VIC1 Region Saturday, 26 July 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: KESSB1
Duration: 26/07/2025 13:40 to 26/07/2025 14:05
Amount: 55 MW
Constraint: NC-V_KESSB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE VIC1 Region Saturday, 26 July 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: KESSB1
Duration: 26/07/2025 13:40 to 26/07/2025 14:05
Amount: 55 MW
Constraint: NC-V_KESSB1
Auto-generated on behalf of Manager NEM Real Time Operations
128374NON-CONFORMANCE26/07/2025 01:00:19 PM
NON-CONFORMANCE Region VIC1 Saturday, 26 July 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE VIC1 Region Saturday, 26 July 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: RANGEB1
Duration: 26/07/2025 12:45 to 26/07/2025 13:00
Amount: 102 MW
Constraint: NC-V_RANGEB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE VIC1 Region Saturday, 26 July 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: RANGEB1
Duration: 26/07/2025 12:45 to 26/07/2025 13:00
Amount: 102 MW
Constraint: NC-V_RANGEB1
Auto-generated on behalf of Manager NEM Real Time Operations
128359POWER SYSTEM EVENTS26/07/2025 08:58:23 AM
Update - Non-credible contingency event - NSW region - 26/07/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - NSW region - 26/07/2025
Refer AEMO Electricity Market Notice 128353
At 0832 hrs the Canberra A 132kV Bus was returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 26/07/2025
Refer AEMO Electricity Market Notice 128353
At 0832 hrs the Canberra A 132kV Bus was returned to service.
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
128353POWER SYSTEM EVENTS26/07/2025 06:00:15 AM
Non-credible contingency event - NSW region - 26/07/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - NSW region - 26/07/2025
At 0449 hrs the Canberra 132 kV A Bus and the Canberra to Latham A2 132 kV Line tripped.
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
Non-credible contingency event - NSW region - 26/07/2025
At 0449 hrs the Canberra 132 kV A Bus and the Canberra to Latham A2 132 kV Line tripped.
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
128317RESERVE NOTICE25/07/2025 03:07:49 PM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 28/07/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 128313 is cancelled at 1400 hrs 25/07/2025.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 128313 is cancelled at 1400 hrs 25/07/2025.
No LOR condition is currently forecast in the STPASA period.
AEMO Operations
128313RESERVE NOTICE25/07/2025 10:27:08 AM
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 28/07/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:
From 0730 hrs to 0900 hrs 28/07/2025.
The forecast capacity reserve requirement is 563 MW.
The minimum capacity reserve available is 536 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:
From 0730 hrs to 0900 hrs 28/07/2025.
The forecast capacity reserve requirement is 563 MW.
The minimum capacity reserve available is 536 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
128296RESERVE NOTICE24/07/2025 02:07:32 AM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 25/07/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 128289 is cancelled at 0200 hrs 24/07/2025.
Manager NEM Real Time Operations
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 128289 is cancelled at 0200 hrs 24/07/2025.
Manager NEM Real Time Operations