Market Notices

78178PRICES SUBJECT TO REVIEW22/09/2020 02:05:20 PM

[EventId:202009221410_review] Prices for interval 22-Sep-2020 14:10 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1405 hrs on 22 September 2020

PRICES ARE SUBJECT TO REVIEW for dispatch interval 22-Sep-2020 14:10.

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.
     
78177PRICES SUBJECT TO REVIEW22/09/2020 02:01:24 PM

[EventId:202009221405_review] Prices for interval 22-Sep-2020 14:05 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1400 hrs on 22 September 2020

PRICES ARE SUBJECT TO REVIEW for dispatch interval 22-Sep-2020 14:05.

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.
     
78176MARKET INTERVENTION22/09/2020 01:58:21 PM

Possible intervention to manage power system security in South Australia (SA) Region

AEMO ELECTRICITY MARKET NOTICE

Possible intervention to manage power system security in South Australia (SA) Region

Refer AEMO Electricity Market Notice 78133

The synchronous generating units expected to be synchronised in SA from 0130 hrs 23/09/2020 to 0400 hrs 24/09/2020 in Pre-dispatch published at 1330 hrs 22/09/2020 are inadequate to maintain sufficient system strength in SA and hence a secure operating state.

AEMO currently estimates that, in the absence of sufficient market response by 1630 hrs 22/09/2020, AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA.

Manager NEM Real Time Operations


     
78175PRICES SUBJECT TO REVIEW22/09/2020 01:55:18 PM

[EventId:202009221400_review] Prices for interval 22-Sep-2020 14:00 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1355 hrs on 22 September 2020

PRICES ARE SUBJECT TO REVIEW for dispatch interval 22-Sep-2020 14:00.

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.
     
78174PRICES SUBJECT TO REVIEW22/09/2020 01:50:17 PM

[EventId:202009221355_review] Prices for interval 22-Sep-2020 13:55 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1350 hrs on 22 September 2020

PRICES ARE SUBJECT TO REVIEW for dispatch interval 22-Sep-2020 13:55.

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.
     
78173PRICES SUBJECT TO REVIEW22/09/2020 01:45:21 PM

[EventId:202009221350_review] Prices for interval 22-Sep-2020 13:50 are subject to review

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1345 hrs on 22 September 2020

PRICES ARE SUBJECT TO REVIEW for dispatch interval 22-Sep-2020 13:50.

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.
     
78172RECLASSIFY CONTINGENCY22/09/2020 01:08:48 PM

Reclassification of a Non-Credible Contingency Event: Bulli Creek - Dumaresq 8L 330KV line and Bulli Creek - Dumaresq 8M 330KV line in QLD1 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: QLD1

Lines: Bulli Creek - Dumaresq 8L 330KV and Bulli Creek - Dumaresq 8M 330KV

Duration: 22/09/2020 13:08 until further notice

Constraint set(s) invoked:
I-QNI_ONE_PHASE_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NSW1-QLD1


Auto-generated on behalf of Manager NEM Real Time Operations
     
78171GENERAL NOTICE22/09/2020 12:45:03 PM

Cancellation - Non-credible contingency event more likely to occur due to existence of abnormal conditions - SA region.

AEMO ELECTRICITY MARKET NOTICE.

Cancellation - Non-credible contingency event more likely to occur due to existence of abnormal conditions - SA region.

Abnormal conditions advised in AEMO Electricity Market Notice 78137 have ceased to impact the likelihood of a non-credible event occurring as at 1230 hrs 22/09/2020.

Constraint set I-VS_250 revoked at 1230 hrs.

Manager NEM Real Time Operations



     
78170PRICES UNCHANGED22/09/2020 11:32:18 AM

[EventId:202009221110_confirmed] Prices for interval 22-Sep-2020 11:10 are now confirmed

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1130 hrs on 22 September 2020

PRICES ARE NOW CONFIRMED for dispatch interval 22-Sep-2020 11:10.

In accordance with Market Notice 78156 AEMO has reviewed this dispatch interval and determined that:
- Manifestly Incorrect Inputs did not apply

Prices remain unchanged.


This is an AEMO autogenerated Market Notice.
     
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