Market Notices

112088RECLASSIFY CONTINGENCY08/12/2023 02:04:51 PM

Cancellation: Reclassification of non-credible contingency event due to existence of widespread abnormal conditions - SA region.

AEMO ELECTRICITY MARKET NOTICE.

AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 112074 is no longer reasonably possible and accordingly its classification has reverted to non-credible.

Cancellation time: 1400 hrs 08/10/2023.

Constraint set revoked:
I-VS_250

Manager NEM Real Time Operations
112087RECLASSIFY CONTINGENCY08/12/2023 01:54:38 PM

Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 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: TAS1

Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Cancellation time: 08/12/2023 13:54

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 112078

Auto-generated on behalf of Manager NEM Real Time Operations
112086RECLASSIFY CONTINGENCY08/12/2023 02:03:42 PM

Cancellation of the Reclassification of a Non-Credible Contingency Event: South East - Tailem Bend No.1 and No.2 275 kV 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. Accordingly its classification has reverted to a non-credible contingency event.

Region: SA

Lines: South East - Tailem Bend No.1 and No.2 275 kV lines

Cancellation time: 08/12/2023 14:00 hrs

Constraint set revoked: S-SETB_N-2
Constraint set contains the following interconnector(s) on the left hand side: V-SA, NSW1-QLD1


Refer AEMO Electricity Market Notice 112056

Manager NEM Real Time Operations
112085RECLASSIFY CONTINGENCY08/12/2023 01:39:40 PM

Cancellation of a Non-Credible Contingency Event: Farrell - Reece No.1 220 kV line and Farrell - Reece No.2 220 kV line in TAS1 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: TAS1

Lines: Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV

Cancellation time: 08/12/2023 13:39

Constraint set(s) revoked:
F-T-FARE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1


Refer AEMO Electricity Market Notice 112077

Auto-generated on behalf of Manager NEM Real Time Operations
112083RESERVE NOTICE08/12/2023 01:19:56 PM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 09/12/2023

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Periods:

[1.] From 1530 hrs 09/12/2023 to 1600 hrs 09/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1253 MW.

[2.] From 1830 hrs 09/12/2023 to 1900 hrs 09/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1239 MW.

Manager NEM Real Time Operations
112082RESERVE NOTICE08/12/2023 01:10:56 PM

PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 08/12/2023

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following Period:

From 1630 hrs 08/12/2023 to 1730 hrs 08/12/2023.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 1070 MW.


Manager NEM Real Time Operations
112080NON-CONFORMANCE08/12/2023 12:50:18 PM

NON-CONFORMANCE Region NSW1 Friday, 8 December 2023

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Friday, 8 December 2023

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

Unit: SUNTPSF1
Duration: 08/12/2023 12:35 to 08/12/2023 12:50
Amount: 76 MW
Constraint: NC-N_SUNTPSF1

Auto-generated on behalf of Manager NEM Real Time Operations
112079RECLASSIFY CONTINGENCY08/12/2023 12:41:55 PM

Reclassification of a Non-Credible Contingency Event: Tungatinah-Lake Echo-Waddamana 1 110kV line and Tungatinah-Waddamana 2 110kV line in TAS1 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: TAS1

Lines: Tungatinah-Lake Echo-Waddamana 1 110kV and Tungatinah-Waddamana 2 110kV

Duration: 08/12/2023 12:41 until further notice

Constraint set(s) invoked:
T-TUWA12_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Auto-generated on behalf of Manager NEM Real Time Operations
112078RECLASSIFY CONTINGENCY08/12/2023 11:51:05 AM

Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 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: TAS1

Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Duration: 08/12/2023 11:51 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of 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