Market Notices

75730PRICES SUBJECT TO REVIEW19/05/2020 11:25:18 AM

[EventId:202005191130_review] Prices for interval 19-May-2020 11:30 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1125 hrs on 19 May 2020

PRICES ARE SUBJECT TO REVIEW for dispatch interval 19-May-2020 11:30.

AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs


This is an AEMO autogenerated Market Notice.
75729PRICES SUBJECT TO REVIEW19/05/2020 11:20:13 AM

[EventId:202005191125_review] Prices for interval 19-May-2020 11:25 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1120 hrs on 19 May 2020

PRICES ARE SUBJECT TO REVIEW for dispatch interval 19-May-2020 11:25.

AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs


This is an AEMO autogenerated Market Notice.
75728PRICES SUBJECT TO REVIEW19/05/2020 11:15:16 AM

[EventId:202005191120_review] Prices for interval 19-May-2020 11:20 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1115 hrs on 19 May 2020

PRICES ARE SUBJECT TO REVIEW for dispatch interval 19-May-2020 11:20.

AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs


This is an AEMO autogenerated Market Notice.
75727PRICES SUBJECT TO REVIEW19/05/2020 11:10:24 AM

[EventId:202005191115_review] Prices for interval 19-May-2020 11:15 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1110 hrs on 19 May 2020

PRICES ARE SUBJECT TO REVIEW for dispatch interval 19-May-2020 11:15.

AEMO is reviewing these prices in accordance with:
- Clause 3.9.2B of the National Electricity Rules for Manifestly Incorrect Inputs


This is an AEMO autogenerated Market Notice.
75726INTER-REGIONAL TRANSFER18/05/2020 06:10:21 PM

Inter-regional transfer limit variation VIC region. Rowville A1 500/220kV Transformer - 18/05/2020

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation VIC region. Rowville A1 500/220kV Transformer - 18/05/2020

A short notice outage of the Rowville A1 500/220kV Transformer occurred at 1755 hrs

The following constraint set was invoked at 1755 hrs until further notice.

V-ROTX_R

The constraint set contains equations with the following interconnectors on the LHS.

V-S-MNSP1
VIC1-NSW1
T-V-MNSP1
V-SA

Refer to AEMO Network Outage Scheduler for further details.


Manager NEM Real Time Operations


75725MARKET SYSTEMS18/05/2020 03:06:21 PM

CHG0059323: MSATS - Business to Business data exchange

Market Notice

Change Number: CHG0059323

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: MSATS - Business to Business data exchange

Change Title: Planned Software Change - MSATS B2B e-Hub - SMP-125

Change Start Date & Time: 20/05/2020 15:00:00 AEST

Change End Date & Time: 20/05/2020 17:00:00 AEST

Outage Start Date & Time: 20/05/2020 15:00:00 AEST

Outage End Date & Time: 20/05/2020 17:00:00 AEST

Change Description:

Pre-production outage for e-Hub API access 20 May at 3:00pm-5:00pm AEST.

AEMO is conducting pre-production network connection improvements to API accessibility in our pre-production environment on 20 May at 3:00pm-5:00pm AEST via the following URLs:
- https://apis.preprod.marketnet.net.au:9319
- https://apis.preprod.aemo.com.au:9319

Environment: Pre-Production

Participant Impact and Requirements:

During the change window, any change connection requests to the pre-production API's may result in a 500 series or timeout error.

AEMO anticipates no action from Market Participants is required. Outside this change window connections should continue to function as normal.

AEMO plan to migrate the changes into production July-August and will notify you when the production update is scheduled.

Report any impacts to the AEMO Information and Support Hub Internal ext. 5335 or on External 1300 236 600.

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
75724RECLASSIFY CONTINGENCY18/05/2020 11:18:06 AM

Cancellation - Reclassification of a Non Credible Contingency Event: South East No.1 and No.2 275 kV SVCs.

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Reclassification of a Non Credible Contingency Event: South East No.1 and No.2 275 kV SVCs.

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event. AEMO considers the simultaneous trip of the following equipment is no longer reasonably possible. Accordingly, its classification has reverted to a non-credible contingency event.

Region: SA1

Equipment: South East SVC 1 and SVC 2

Cancellation time: 13/05/2020 09:05

Constraint set(s) revoked: NONE

Refer AEMO Electricity Market Notice 75723

Manager NEM Real Time Operations





75723RECLASSIFY CONTINGENCY18/05/2020 08:22:36 AM

Reclassification of a Non Credible Contingency Event: South East No.1 and No.2 275 kV SVCs.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non Credible Contingency Event: South East No.1 and No.2 275 kV SVCs.

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event. AEMO considers the simultaneous trip of the following equipment to now be more likely and reasonably possible. Accordingly, AEMO has reclassified it as a credible contingency event.

Region: SA1

Equipment: South East SVC 1 and SVC 2

Duration: 18/05/2020 08:00 until further notice

Constraint set(s) invoked: NONE

Manager NEM Real Time Operations



75722INTER-REGIONAL TRANSFER18/05/2020 05:50:42 AM

Cancellation - Inter-regional transfer limit variation: Hazelwood - South Morang No.2 500 kV Line (Vic) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation: Hazelwood - South Morang No.2 500 kV Line (Vic) - Voltage Control

Refer AEMO Electricity Market Notice 75721

The Hazelwood - South Morang No.2 500 kV Line has been returned to service.

The following constraint set was revoked at 0550 hrs 18/05/2020.

V-HWSM

The constraint set contains equations with the following interconnectors on the LHS.

T-V-MNSP1
V-S-MNSP1
V-SA
VIC1-NSW1

Manager NEM Real Time Operations
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