Market Notices

Change Number: CHG0089648
Notification issued to: Market Notice
Notification Type: Initial

Change Type: Normal
Service/ Component: Gas Supply Hub
Change Title: NOR Pre-Prod GSH will have scheduled maintenance works outage from 9.00am Thursday 16 May until 12pm (EST)

Change Start Date & Time: 16/05/2024 09:00:00 AEST
Change End Date & Time: 16/05/2024 12:00:00 AEST
Outage Start Date & Time: 16/05/2024 09:00:00 AEST
Outage End Date & Time: 16/05/2024 12:00:00 AEST

Environment: Pre-Production

Participant Impact and Requirements: Services may be unavailable while maintenance is in progress
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 .

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in SA region

The synchronous generating units currently expected to be synchronised in SA from 0930 hrs 20/05/2024 will be inadequate to maintain a secure operating state in SA .
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

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Sunday, 19 May 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: PUMP2
Duration: 19/05/2024 07:35 to 19/05/2024 07:40
Amount: 240 MW
Constraint: NC-Q_PUMP2

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tamworth - Armidale No. 86 330 kV Line - NSW region - 19/05/2024

A planned outage of Tamworth - Armidale No. 86 330 kV Line in the NSW region was scheduled from 0800 hrs 07/05/2024 to 1800 hrs 20/05/2024.

The outage has been rescheduled to be completed by 1200 hrs 19/05/2024.

Constraint set(s) invoked:
N-ARTW_86
N-DM_SVC
N-TW_SVC

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
T-V-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - DAPTO - MARULAN 8 330KV Line - NSW region - 18/05/2024

A planned outage of DAPTO - MARULAN 8 330KV Line in the NSW region was scheduled from 0830 hrs 27/04/2024 to 1200 hrs 20/05/2024.

The outage has been completed at 1750 hrs 18/05/2024.

Constraint set(s) revoked: N-DTMN_8_15M, N-X_3L+8

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,
NSW1-QLD1,
V-S-MNSP1
VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 17/05/2024

Refer Market Notice 116645

The AEMO Intervention Event and all associated directions are cancelled from 1430 hrs 18/05/2024

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in SA region

The synchronous generating units currently expected to be synchronised in SA from 0930 hrs 19/05/2024 will be inadequate to maintain a secure operating state in SA .
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

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Saturday, 18 May 2024

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MPP_1
Duration: 18/05/2024 02:40 to 18/05/2024 02:45
Amount: -14 MW
Constraint: NC-Q_MPP_1

Auto-generated on behalf of Manager NEM Real Time Operations

Change Number: CHG0089703
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMS NEM - Network Outage Scheduler (NOS)

Change Title: Planned System Maintenance activity.
Change Start Date & Time: 22/05/2024 11:00:00 AEST
Change End Date & Time: 22/05/2024 11:30:00 AEST
Outage Start Date & Time: 22/05/2024 11:00:00 AEST
Outage End Date & Time: 22/05/2024 11:30:00 AEST

Environment: Production

Participant Impact and Requirements: Network Outage Schedular (NOS) will be out of service during the maintenance activity. Please log off from NOS website during the outage. Users will have to log back in once the outage is completed. Please contact your NOS admin or AEMO support hub if your NOS account has been locked out after this change.

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 .