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[EventId:202109301330_review] Prices for interval 30-Sep-2021 13:30 are subject to review
Issued by Australian Energy Market Operator Ltd at 1325 hrs on 30 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 30-Sep-2021 13:30.
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.
[EventId:202109301325_review] Prices for interval 30-Sep-2021 13:25 are subject to review
Issued by Australian Energy Market Operator Ltd at 1320 hrs on 30 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 30-Sep-2021 13:25.
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.
[EventId:202109301320_review] Prices for interval 30-Sep-2021 13:20 are subject to review
Issued by Australian Energy Market Operator Ltd at 1315 hrs on 30 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 30-Sep-2021 13:20.
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.
Non-credible contingency event - VIC region - 30/09/2021
Non-credible contingency event - VIC region - 30/09/2021
At 1244 hrs the Heywood 500 kV No.1 bus tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
The following constraint set was invoked at 1300 hrs
F-I-HYSE
S-X_BC_CP
V-HYTX_M12
V-HY_500BUS
The constraint sets contain equations with the following interconnector on the LHS:
V-S-MNSP1
V-SA
T-V_MNSP1
Refer to AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
[EventId:202109301315_review] Prices for interval 30-Sep-2021 13:15 are subject to review
Issued by Australian Energy Market Operator Ltd at 1310 hrs on 30 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 30-Sep-2021 13:15.
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.
[EventId:202109301310_review] Prices for interval 30-Sep-2021 13:10 are subject to review
Issued by Australian Energy Market Operator Ltd at 1305 hrs on 30 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 30-Sep-2021 13:10.
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.
[EventId:202109301305_review] Prices for interval 30-Sep-2021 13:05 are subject to review
Issued by Australian Energy Market Operator Ltd at 1300 hrs on 30 September 2021
PRICES ARE SUBJECT TO REVIEW for dispatch interval 30-Sep-2021 13:05.
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.
Reclassification of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.
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: NSW1
Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Duration: 30/09/2021 12:38 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Bayswater - Mt Piper No.5A3 500kV line and Wollar - Mt Piper No.5A5 500kV line in NSW1 due to Lightning.
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: NSW1
Lines: Bayswater - Mt Piper No.5A3 500kV and Wollar - Mt Piper No.5A5 500kV
Cancellation time: 30/09/2021 12:09
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 91342
Auto-generated on behalf of Manager NEM Real Time Operations