Filter by category
Filter by Date
Reclassification of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 due to Lightning.
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: 09/12/2024 13:59 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
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 10/12/2024
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 121651 is cancelled at 1200 hrs 09/12/2024.
AEMO Operations
NON-CONFORMANCE Region QLD1 Monday, 9 December 2024
NON-CONFORMANCE QLD1 Region Monday, 9 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MIDDLSF1
Duration: 09/12/2024 10:25 to 09/12/2024 11:15
Amount: 22 MW
Constraint: NC-Q_MIDDLSF1
Auto-generated on behalf of Manager NEM Real Time Operations
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 10/12/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following period:
[1.] From 1430 hrs 10/12/2024 to 1500 hrs 10/12/2024.
The forecast capacity reserve requirement is 810 MW.
The minimum capacity reserve available is 738 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.
Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Monday, 9 December 2024
NON-CONFORMANCE NSW1 Region Monday, 9 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 09/12/2024 00:40 to 09/12/2024 01:05
Amount: 7 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Monday, 9 December 2024
NON-CONFORMANCE NSW1 Region Sunday, 8 December 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 08/12/2024 23:50 to 09/12/2024 00:10
Amount: 6 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 10/12/2024
The Forecast LOR2 condition in the QLD region advised in AEMO Electricity Market Notice No. 121647 is cancelled at 2330 hrs 08/12/2024.
AEMO Operations
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 10/12/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following period:
[1.] From 1430 hrs 10/12/2024 to 1500 hrs 10/12/2024.
The forecast capacity reserve requirement is 819 MW.
The minimum capacity reserve available is 802 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
[EventId:202412081950_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 08 December 2024 19:50
Issued by Australian Energy Market Operator Ltd at 1950 hrs on 8 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 8 December 2024.
Refer to market notice: 121639
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1950 hrs on 8 December 2024.
This is an AEMO autogenerated Market Notice.