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        • 68457 25 May 2019 1:52 INTER-REGIONAL TRANSFER
        • Inter-regional transfer limit variation: Hazelwood - South Morang No 2 500 kV Line (VIC) - Voltage Control

          AEMO ELECTRICITY MARKET NOTICE

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

          The Hazelwood - South Morang No 2 500 kV Line has been de-energised to manage voltages in the Victoria region.

          The following constraint set was invoked at 0150 hrs 25/05/2019.

          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

        • 68458 25 May 2019 1:49 RECLASSIFY CONTINGENCY
        • 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: 25/05/2019 01:49

          Constraint set(s) revoked:
          NONE

          Refer AEMO Electricity Market Notice 68456

          Auto-generated on behalf of Manager NEM Real Time Operations

        • 68456 25 May 2019 0:48 RECLASSIFY CONTINGENCY
        • 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: 25/05/2019 00:47 until further notice

          Constraint set(s) invoked:
          NONE

          Auto-generated on behalf of Manager NEM Real Time Operations

        • 68455 25 May 2019 0:14 RECLASSIFY CONTINGENCY
        • 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: 25/05/2019 00:14

          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 68453

          Auto-generated on behalf of Manager NEM Real Time Operations

        • 68454 24 May 2019 22:45 NON-CONFORMANCE
        • NON-CONFORMANCE Region QLD1 Friday, 24 May 2019

          AEMO ELECTRICITY MARKET NOTICE

          NON-CONFORMANCE QLD1 Region Friday, 24 May 2019

          AEMO declared a schedule generating unit non-conforming

          Unit: TNPS1
          Duration: 24/05/2019 22:30 to 24/05/2019 22:45
          Amount: 21 MW
          Constraint: NC-Q_TNPS1

          Auto-generated on behalf of Manager NEM Real Time Operations

        • 68453 24 May 2019 22:12 RECLASSIFY CONTINGENCY
        • 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: 24/05/2019 22:12 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

        • 68452 24 May 2019 17:54 RECLASSIFY CONTINGENCY
        • 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: 24/05/2019 17:54

          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 68451

          Auto-generated on behalf of Manager NEM Real Time Operations

        • 68451 24 May 2019 16:51 RECLASSIFY CONTINGENCY
        • Reclassification 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

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

          Duration: 24/05/2019 16:51 until further notice

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


          Auto-generated on behalf of Manager NEM Real Time Operations

        • 68450 24 May 2019 15:10 NON-CONFORMANCE
        • NON-CONFORMANCE Region SA1 Friday, 24 May 2019

          AEMO ELECTRICITY MARKET NOTICE

          NON-CONFORMANCE SA1 Region Friday, 24 May 2019

          AEMO declared a schedule generating unit non-conforming

          Unit: PPCCGT
          Duration: 24/05/2019 15:05 to 24/05/2019 15:10
          Amount: 84 MW
          Constraint: NC-S_PPCCGT

          Auto-generated on behalf of Manager NEM Real Time Operations