Market Notices

112262GENERAL NOTICE13/12/2023 05:42:21 PM

Update - Vulnerable lines in TAS region.

AEMO ELECTRICITY MARKET NOTICE.

Vulnerable lines in TAS region.

Refer to AEMO Electricity Market Notice 112248.

At 1324 hrs 13/12/2023 the Hadspen - Palmerston No.3 & No.4 110 kV lines tripped and auto reclosed.

The cause of trip was identified as due to lightning.

In accordance with SO_OP_3715, AEMO now considers the Hadspen - Palmerston No.3 & No.4 110 kV lines to be vulnerable with a category of probable due to lightning.

Manager NEM Real Time Operations
112249MARKET SYSTEMS13/12/2023 02:02:59 PM

CHG0082097 | Completed | Production | P3062 Manifestly Incorrect Inputs (MII)? Production Release

Change Number: CHG0082097
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: EMMS - Dispatch
Change Title: P3062 Manifestly Incorrect Inputs (MII) Production Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
112239GENERAL NOTICE13/12/2023 12:29:31 PM

Fast Frequency Response Market - Increase in R1 FCAS volume 18 December 2023.

AEMO ELECTRICITY MARKET NOTICE

Following review of the operation of the Very Fast FCAS market, from 1300 hrs AEST on Monday 18 December AEMO will:

Increase the cap on dispatch of Very Fast Raise (R1) Contingency FCAS from 175 MW to 225 MW

Retain the existing cap on dispatch of Very Fast Lower (L1) Contingency FCAS at 100 MW

No other changes to the dispatch of Very Fast FCAS or FCAS constraint equation changes will be made on this date

For information on the Fast Frequency Response (FFR) initiative please visit the website at: https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response

Andrew Groom
AEMO Operations
112223GENERAL NOTICE13/12/2023 10:49:32 AM

NEM Local Temperature Alerts for QLD from 13 Dec 2023 to 17 Dec 2023

AEMO ELECTRICITY MARKET NOTICE

AEMO's weather service provider has issued forecast temperatures equal to or greater than the NEM Local Temperature Alert Levels for listed weather stations below.

QLD
Dalby Ap (37+ Deg C): 17th Dec

The NEM Local Temperature Alert Levels are:

Launceston Ti Tree Bend: 33 Deg C, Dalby Airport: 37 Deg C, for all other selected weather stations: 39 Deg C.

AEMO requests Market Participants to:

1. review the weather forecast in the local area where their generating units / MNSP converter stations are located and,

2. if required, update the available capacity in their dispatch offers or availability submissions consistent with the forecast temperatures.

Further information is available at:

https://aemo.com.au/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy/nem-local-temperature-alerts

AEMO Operations Planning
112215GENERAL NOTICE12/12/2023 11:11:25 PM

Network Augmentation Commissioned - SA Region - 12/12/2023

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - SA Region - 12/12/2023

Commissioned: Robertstown - Bundey No. 2 275 kV Line

Manager NEM Real Time Operations
112199NON-CONFORMANCE12/12/2023 09:25:17 AM

NON-CONFORMANCE Region SA1 Tuesday, 12 December 2023

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Tuesday, 12 December 2023

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

Unit: NBHWF1
Duration: 12/12/2023 09:00 to 12/12/2023 09:25
Amount: 17 MW
Constraint: NC-S_NBHWF1

Auto-generated on behalf of Manager NEM Real Time Operations
112196MARKET SYSTEMS12/12/2023 07:05:08 AM

CHG0082097 | Production | P3062 Manifestly Incorrect Inputs (MII)? Production Release

Change Number: CHG0082097
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Dispatch
Change Title: P3062 Manifestly Incorrect Inputs (MII) Production Release
Change Start Date & Time: 12/12/2023 08:00:00 AEST
Change End Date & Time: 13/12/2023 17:30:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: Under this change , AEMO will install an updated version of a key Dispatch application (NEMDE Solutionloader) used in Production for Dispatch, 5-Minute Pre-dispatch, Pre-dispatch, and 7-Day Pre-dispatch.

Changes include:
o Extension of Automated MII Procedures to include detection of FCAS MIIs using an FCAS requirement threshold.

No outages or delays expected. AEMO will advise once complete.
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 .
112188INTER-REGIONAL TRANSFER11/12/2023 04:31:45 PM

Inter-regional transfer limit variation - Blyth West- Munno Para 275 kV Line - SA region - 11/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Blyth West- Munno Para 275 kV Line - SA region - 11/12/2023

At 1446 hrs 11/12/2023 there was an unplanned outage of Blyth West- Munno Para 275 kV Line.

However, due to the concurrent Non-credible contingency event - SA region - 11/12/2023, refer AEMO Electricity Market Notice 112187, additional inter-regional constraints were not required until the remaining Mintaro - Waterloo 132 kV Line was returned to service.

The following constraint set(s) invoked at 1610 hrs 11/12/2023
S-BWMP

This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
112186MARKET SYSTEMS11/12/2023 03:54:11 PM

CHG0082301 | Production | Planned System Maintenance - Electricity MMS Production Bay transfer

Change Number: CHG0082301
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Electricity Market Management System
Change Title: Planned System Maintenance - Electricity MMS Production Bay transfer
Change Start Date & Time: 11/12/2023 13:00:00 AEST
Change End Date & Time: 13/12/2023 16:00:00 AEST
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: The maintenance activity is not expected to have any impact. If any issues are identified because of this maintenance activity, please contact the AEMO Support Hub 1300 236 600 .
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 .
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