Market Notices

74901PRICES SUBJECT TO REVIEW14/03/2020 10:50:11 AM

[EventId:202003141055_review] Prices for interval 14-Mar-2020 10:55 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1050 hrs on 14 March 2020

PRICES ARE SUBJECT TO REVIEW for dispatch interval 14-Mar-2020 10:55.

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.
74900RECLASSIFY CONTINGENCY14/03/2020 05:38:12 AM

Cancellation of the reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation of the reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any severe weather warning in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: SA

Lines: Para-Templers West and Magill-Torrens Island A 275kV lines

Cancellation time: 0530 hrs 14/03/2020

Constraint set(s) revoked: Nil

Refer AEMO Electricity Market Notice 74893

Manager NEM Real Time Operations
74899INTER-REGIONAL TRANSFER14/03/2020 04:04:07 AM

Inter-Regional Transfer limit variation - NSW Region - 14/03/2020

AEMO ELECTRICITY MARKET NOTICE

There has been a short notice outage of the Liddell 330 kV Generator bus - NSW region
The following constraint set was invoked at 0355 hrs 14/03/2020
N-LD_GEN_BUS

The constraint set contains equations with the following interconnector on the LHS

N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1

Refer to the AEMO Network Outage Schedule for further information.


Manager NEM Real Time Operations
74898INTER-REGIONAL TRANSFER14/03/2020 02:33:04 AM

Inter-regional transfer limit variation: Hazelwood - South Morang No 1 500 kV Line (VIC) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

The Hazelwood - South Morang No. 1 500 kV Line has been de-energised to manage voltages in the Victoria region.

The following constraint set was invoked at 0235 hrs 14/03/2020

V-HWSM

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

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

Refer to AEMO Network Outage Scheduler (NOS) for further details

Manager NEM Real Time Operations
74897RECLASSIFY CONTINGENCY14/03/2020 01:49:10 AM

Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Cancellation time: 14/03/2020 01:49

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 74894

Auto-generated on behalf of Manager NEM Real Time Operations
74896RECLASSIFY CONTINGENCY14/03/2020 12:59:11 AM

Cancellation of a Non-Credible Contingency Event: Dederang - Glenrowan No.1 220 kV line and Dederang - Glenrowan No.3 220 kV line in VIC1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: VIC1

Lines: Dederang - Glenrowan No.1 220 kV and Dederang - Glenrowan No.3 220 kV

Cancellation time: 14/03/2020 00:59

Constraint set(s) revoked:
V-DDGN_N-2 Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
VIC1-NSW1


Refer AEMO Electricity Market Notice 74895

Auto-generated on behalf of Manager NEM Real Time Operations
74895RECLASSIFY CONTINGENCY13/03/2020 11:56:53 PM

Reclassification of a Non-Credible Contingency Event: Dederang - Glenrowan No.1 220 kV line and Dederang - Glenrowan No.3 220 kV line in VIC1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

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

Region: VIC1

Lines: Dederang - Glenrowan No.1 220 kV and Dederang - Glenrowan No.3 220 kV

Duration: 13/03/2020 23:56 until further notice

Constraint set(s) invoked:
V-DDGN_N-2 Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
VIC1-NSW1


Auto-generated on behalf of Manager NEM Real Time Operations
74894RECLASSIFY CONTINGENCY13/03/2020 10:46:32 PM

Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

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

Region: VIC1

Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV

Duration: 13/03/2020 22:46 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
74893RECLASSIFY CONTINGENCY13/03/2020 09:44:21 PM

Reclassification of a Non-Credible Contingency Event: Para-Templers West and Magill-Torrens Island A 275kV lines in SA due to severe weather warning.

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a non-credible contingency event as a credible contingency event due to severe weather warning.

AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly, AEMO has reclassified it as a credible contingency event.

Region: SA

Lines: Para-Templers West and Magill-Torrens Island A 275kV lines

Duration: 2140 hrs 13/03/2020 until further notice

Constraint set(s) invoked: Nil

Manager NEM Real Time Operations
X
Cookies help us improve your website experience.
By using our website, you agree to our use of cookies.
Confirm