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115364MARKET INTERVENTION29/02/2024 04:46:21 PM
Direction - SA region 29/02/2024
AEMO ELECTRICITY MARKET NOTICE.
Direction - SA region 29/02/2024
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1705 hrs on 29/02/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Direction - SA region 29/02/2024
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1705 hrs on 29/02/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
115362MARKET SYSTEMS29/02/2024 02:07:10 PM
CHG0082015: Brisbane MarketNet Firewall Refresh - Cancelled
Change Number: CHG0082015
Notification issued to: Market Notice
Notification Type: Cancelled
Change Type: Normal
Service/ Component: Firewall
Change Title: Brisbane MarketNet Firewall Refresh
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600
Notification issued to: Market Notice
Notification Type: Cancelled
Change Type: Normal
Service/ Component: Firewall
Change Title: Brisbane MarketNet Firewall Refresh
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600
115361MARKET INTERVENTION29/02/2024 02:11:33 PM
Update - Possible intervention to manage power system security in SA region
AEMO ELECTRICITY MARKET NOTICE
Update - Possible intervention to manage power system security in SA region
Refer AEMO Electricity Market Notice 115359
The synchronous generating units currently expected to be synchronised in SA from 0900 hrs 01/03/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1700 hrs 29/02/2024, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
Update - Possible intervention to manage power system security in SA region
Refer AEMO Electricity Market Notice 115359
The synchronous generating units currently expected to be synchronised in SA from 0900 hrs 01/03/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1700 hrs 29/02/2024, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
115360SETTLEMENTS RESIDUE29/02/2024 01:35:28 PM
[EventId:202402291335_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 29 February 2024 13:35
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1335 hrs on 29 February 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 February 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1335 hrs on 29 February 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1335 hrs on 29 February 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 29 February 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1335 hrs on 29 February 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
115359MARKET INTERVENTION29/02/2024 12:59:52 PM
Possible intervention to manage power system security in South Australia (SA) Region
AEMO ELECTRICITY MARKET NOTICE
Possible intervention to manage power system security in South Australia (SA) Region
The synchronous generating units currently expected to be synchronised in SA from 0900 hrs 01/03/2024 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
Possible intervention to manage power system security in South Australia (SA) Region
The synchronous generating units currently expected to be synchronised in SA from 0900 hrs 01/03/2024 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.
Manager NEM Real Time Operations
115358RESERVE NOTICE29/02/2024 11:25:21 AM
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 29/02/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 115347 has been updated at 1115 hrs to the following:
[1.] From 1530 hrs 29/02/2024 to 1900 hrs 29/02/2024.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 846 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 115347 has been updated at 1115 hrs to the following:
[1.] From 1530 hrs 29/02/2024 to 1900 hrs 29/02/2024.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 846 MW.
Manager NEM Real Time Operations
115357RESERVE NOTICE29/02/2024 11:24:12 AM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 29/02/2024
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 115351 is cancelled at 1115 hrs 29/02/2024.
Manager NEM Real Time Operations
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 115351 is cancelled at 1115 hrs 29/02/2024.
Manager NEM Real Time Operations
115355MARKET INTERVENTION29/02/2024 08:19:27 AM
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 28/02/2024
AEMO ELECTRICITY MARKET NOTICE
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 28/02/2024
Refer Market Notice 115295
The AEMO Intervention Event and all associated directions are cancelled from 0815 hrs 29/02/2024
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 28/02/2024
Refer Market Notice 115295
The AEMO Intervention Event and all associated directions are cancelled from 0815 hrs 29/02/2024
Manager NEM Real Time Operations
115354RECLASSIFY CONTINGENCY29/02/2024 08:14:25 AM
Cancellation 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
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 29/02/2024 08:14
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 115352
Auto-generated on behalf of Manager NEM Real Time Operations
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 29/02/2024 08:14
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 115352
Auto-generated on behalf of Manager NEM Real Time Operations