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CHG0100502 | Production | Planned maintenance affecting the AEMO Market Network.
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: MarketNet
Change Title: Planned maintenance affecting the AEMO Market Network ***Outage Updated***
Change Start Date & Time: 19/12/2024 07:00:00 AEST
Change End Date & Time: 20/12/2024 17:00:00 AEST
Outage 1 Start Date & Time: 19/12/2024 09:12:00 AEST
Outage 1 End Date & Time: 19/12/2024 09:13:00 AEST
Outage 2 Start Date & Time: 19/12/2024 15:12:00 AEST
Outage 2 End Date & Time: 19/12/2024 15:13:00 AEST
Environment: Production
Participant Impact and Requirements: Planned maintenance will be conducted on the 19th of December 2024, between 07:00AM and 05:00PM AEST on the core network infrastructure within the AEMO Market Network in Brisbane.
During there change, there will be two instances of 1-3 second service disruption to MarketNet Services accessed via Brisbane as traffic moves from the active to the standby load balancing unit. All Services should return to normal after this time. Traffic via Sydney will not be affected during this time. AEMO recommends that all market participants with site to site VPN connections currently connected via Brisbane, to switch these connections to the Sydney site as a precaution.
Participants connecting via IPWAN and/or SSL VPN will be automatically connected to the Sydney site and do not need to take any action.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any
planned/unplanned maintenance activities .
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 16/12/2024
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 16/12/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1700 hrs.
The Actual LOR1 condition is forecast to exist until 1800 hrs
The capacity reserve requirement is 1340 MW
The minimum capacity reserve available is 1297 MW
Manager NEM Real Time Operations
Direction - SA region to AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Direction - SA region to AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer to Market Notice 122011
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN at 1630 hrs 16/12/2024
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0200 hrs 17/12/2024
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 18/12/2024.
AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.
Manager NEM Real Time Operations
Direction - SA region to AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Direction - SA region to AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 122011
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN at 1630 hrs 16/12/2024
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0130 hrs 17/12/2024
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 18/12/2024.
AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.
Manager NEM Real Time Operations
Direction - SA region 16/12/2024
Direction - SA region 16/12/2024
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(a1)(1).
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 1635 hrs on 16/12/2024.
Intervention pricing does not apply to this AEMO intervention event.
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.
Manager NEM Real Time Operations
Update - Foreseeable AEMO intervention in SA region
Update - Foreseeable AEMO intervention in SA region
Refer AEMO Electricity Market Notice 121963
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0130 hrs 17/12/2024.
The foreseeable circumstance requiring the need for intervention is Voltage.
AEMO estimates that, in the absence of sufficient market response by 1630 hrs 16/12/2024, AEMO may need to intervene by issuing a direction.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 17/12/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
[1.] From 1500 hrs 17/12/2024 to 1830 hrs 17/12/2024.
The forecast capacity reserve requirement is 1156 MW.
The minimum capacity reserve available is 550 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
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 17/12/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121999 has been updated at 1100 hrs 16/12/2024 to the following:
From 1500 hrs to 1900 hrs 17/12/2024.
The forecast capacity reserve requirement is 1130 MW.
The minimum capacity reserve available is 444 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
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the NSW Region on 17/12/2024
The Forecast LOR2 condition in the NSW region advised in AEMO Electricity Market Notice No. 121995 has been updated at 1000 hrs 16/12/2024 to the following:
From 1500 hrs to 1930 hrs 17/12/2024.
The forecast capacity reserve requirement is 1164 MW.
The minimum capacity reserve available is 133 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