Market Notices

Change Number: CHG0099569
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal

Service/ Component: Gas Hub
Change Title: Maintenance on Gas B2B Hub databases
Change Start Date & Time: 17/11/2024 10:00:00 AEST
Change End Date & Time: 17/11/2024 10:30:00 AEST

Outage Start Date & Time:
Outage End Date & Time:
Environment: Production

Participant Impact and Requirements: The following impacts are expected during this maintenance:
- Brief 5 to 10 seconds loss of connectivity to the Gas B2B Hub and all ebXML gateways (AEMOMIBB, AGNLGWY, LVI & VENCORP) during the outage window.
- Users are not required to take any action due to 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 .

AEMO ELECTRICITY MARKET NOTICE

Cancellation - MSL1- VIC Region at 1330 hrs 03/11/2024.

Refer to Market Notice 119760 for MSL1.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 03/11/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1770 MW
o MSL2 - 1270 MW
o MSL3 - 770 MW

The regional demand is forecast to be below the MSL1 threshold for the following period:

From 1100 hrs to 1400 hrs 03/11/2024. Minimum regional demand is forecast to be 1424 MW at 1300 hrs.

Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Forecast Minimum System Load MSL1 condition in the VIC Region at 1200 hrs 02/11/2024.

Refer to Market Notice 119742.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE
Actual Minimum System Load MSL1 condition in the VIC Region on 03/11/2024

Update to Market Notice 119811 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC on 03/11/2024.

Minimum regional demand is forecast to be 1623 MW at 1300 hrs, and the advisory threshold is:
- MSL1 - 1770 MW
- MSL2 - 1270 MW
- MSL3 - 770 MW

The regional demand is below the MSL1 threshold. The actual MSL1 condition is forecast to exist until 1400 hrs.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE
Update to Market Notice 119682 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 05/11/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1535 MW
o MSL2 - 1035 MW
o MSL3 - 535 MW

The regional demand is forecast to be below the MSL1 threshold for the following period:

From 1000 hrs to 1430 hrs 05/11/2024. Minimum regional demand is forecast to be 1106 MW at 1300 hrs.

Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE
Update to Market Notice 119644 - AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 02/11/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1685 MW
o MSL2 - 1185 MW
o MSL3 - 685 MW

The regional demand is forecast to be below the MSL1 threshold for the following period:

From 1030 hrs to 1400 hrs 02/11/2024. Minimum regional demand is forecast to be 1304 MW at 1230 hrs.

Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE
AEMO has detected that there is an elevated risk of insufficient demand to maintain a secure operating state in the VIC region on 03/11/2024.

Minimum System Load (MSL) conditions are forecast when regional demand is less than the relevant MSL threshold. The advisory MSL thresholds are:
o MSL1 - 1795 MW
o MSL2 - 1295 MW
o MSL3 - 795 MW

The regional demand is forecast to be below the MSL1 threshold for the following period:

From 1130 hrs to 1330 hrs 03/11/2024. Minimum regional demand is forecast to be 1684 MW at 1300 hrs.

Forecast regional demand (DEMAND50) is published in Short Term and Pre-Dispatch PASA region solution reports available on Market Data NEMWEB: https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/data-nem/market-data-nemweb .

AEMO Operations

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - NSW region - 31/10/2024

Refer AEMO Electricity Market Notice 119689

At 0345 hrs the Wagga B 330 kV bus was returned to service.

The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

AEMO will not reclassify this event as a credible contingency event.

Manager NEM Real Time Operations