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127751RECLASSIFY CONTINGENCY23/06/2025 09:29:34 PM
Reclassification of non-credible contingency event due to existence of widespread abnormal conditions - SA region.
AEMO ELECTRICITY MARKET NOTICE.
AEMO has identified that a non-credible contingency event impacting the power system is more likely to occur and is considered reasonably possible in the Mount Lofty Ranges, Upper South East, Lower South East, Adelaide Metro, Mount Lofty Ranges, Mid North and Murraylands districts because of the existence of widespread abnormal conditions namely severe weather in the SA region.
AEMO has therefore reclassified the occurrence of a non-credible contingency event involving multiple plant due to these abnormal conditions as credible.
AEMO has taken the following action(s) to maintain power system security at 2130 hrs 23/06/2025
Constraint set(s) invoked: I-VS_250
Duration: until further notice
Need for further measures is being monitored and further measures may be implemented in line with the Power System Security Guidelines (SO_OP_3715).
Manager NEM Real Time Operations
AEMO has identified that a non-credible contingency event impacting the power system is more likely to occur and is considered reasonably possible in the Mount Lofty Ranges, Upper South East, Lower South East, Adelaide Metro, Mount Lofty Ranges, Mid North and Murraylands districts because of the existence of widespread abnormal conditions namely severe weather in the SA region.
AEMO has therefore reclassified the occurrence of a non-credible contingency event involving multiple plant due to these abnormal conditions as credible.
AEMO has taken the following action(s) to maintain power system security at 2130 hrs 23/06/2025
Constraint set(s) invoked: I-VS_250
Duration: until further notice
Need for further measures is being monitored and further measures may be implemented in line with the Power System Security Guidelines (SO_OP_3715).
Manager NEM Real Time Operations
127750RECLASSIFY CONTINGENCY23/06/2025 07:49:15 PM
Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 23/06/2025 19:49 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 23/06/2025 19:49 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
127749RECLASSIFY CONTINGENCY23/06/2025 06:16:56 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: 1810 hrs 23/06/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
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: 1810 hrs 23/06/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
127748RECLASSIFY CONTINGENCY23/06/2025 06:16:40 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: 1810 hrs 23/06/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
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: 1810 hrs 23/06/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
127731PRICES SUBJECT TO REVIEW23/06/2025 02:05:18 PM
[EventId:202506231410_review] Prices for interval 23-Jun-2025 14:10 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1405 hrs on 23 June 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Jun-2025 14:10.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1405 hrs on 23 June 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Jun-2025 14:10.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
127730PRICES SUBJECT TO REVIEW23/06/2025 02:00:22 PM
[EventId:202506231405_review] Prices for interval 23-Jun-2025 14:05 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1400 hrs on 23 June 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Jun-2025 14:05.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1400 hrs on 23 June 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Jun-2025 14:05.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
127729PRICES SUBJECT TO REVIEW23/06/2025 01:55:31 PM
[EventId:202506231400_review] Prices for interval 23-Jun-2025 14:00 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1355 hrs on 23 June 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Jun-2025 14:00.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1355 hrs on 23 June 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Jun-2025 14:00.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
127727PRICES SUBJECT TO REVIEW23/06/2025 01:50:16 PM
[EventId:202506231355_review] Prices for interval 23-Jun-2025 13:55 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1350 hrs on 23 June 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Jun-2025 13:55.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1350 hrs on 23 June 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Jun-2025 13:55.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
127725PRICES SUBJECT TO REVIEW23/06/2025 01:45:16 PM
[EventId:202506231350_review] Prices for interval 23-Jun-2025 13:50 are subject to review
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1345 hrs on 23 June 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Jun-2025 13:50.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1345 hrs on 23 June 2025
PRICES ARE SUBJECT TO REVIEW for trading interval 23-Jun-2025 13:50.
AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs
This is an AEMO autogenerated Market Notice.