Market Notices

AEMO ELECTRICITY MARKET NOTICE.

At 1011 hrs the Lindisfarne - Waddamana No. 2 220 kV Line tripped and at the same time there was a reduction of approximately 70 MW of industrial load in Tasmania.
At 1013 hrs the Lindisfarne - Waddamana No. 2 220 kV Line was returned to service.

AEMO did not instruct load shedding.

The cause of this non credible contingency event is not known at this stage.


Manager NEM Real Time Operations

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: 30/01/2019 10:39

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


Refer AEMO Electricity Market Notice 66961

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a Non-Credible Contingency Event: Lindisfarne - Waddamana No. 1 and No. 2 220 kV Lines in Tasmania due to bushfire.

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: TAS

Lines: Lindisfarne - Waddamana No. 1 and No. 2 220 kV Lines
Duration: 30/01/2019 1020 hrs until further notice
Constraint set(s) invoked: T-LFWA_N-2

Manager NEM Real Time Operations

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: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV

Duration: 30/01/2019 09:38 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations

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: QLD1

Lines: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV

Cancellation time: 30/01/2019 06:54

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 66953

Auto-generated on behalf of Manager NEM Real Time Operations

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: 30/01/2019 06:37 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the New South Wales region for the following period:

From 1530 hrs to 1630 hrs 31/01/2019.
The forecast capacity reserve requirement is 874 MW.
The minimum capacity reserve available is 770 MW.

AEMO is seeking a market response.

AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.


Manager NEM Real Time Operations

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: 30/01/2019 05:37 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
V-SA
VIC1-NSW1


Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 0355 hrs on 30 January 2019

ADMINISTERED PRICE PERIOD DECLARED in VIC region.

AEMO has determined that the rolling sum of the uncapped dispatch prices for the VIC region over the previous 336 trading intervals has exceeded the cumulative price threshold (CPT) of $216,900.00.

In accordance with Clause 3.14 of the National Electricity Rules, AEMO has determined that an administered price period will commence at the trading interval starting 0400 hrs on 30 Jan 2019 and will continue through to the end of that trading day.

An administered price cap (APC) of 300 $/MWh will apply to all trading intervals during this administered price period. This APC will apply to dispatch prices and to all market ancillary service prices in the VIC region.

An administered floor price (AFP) of -300 $/MWh will apply to dispatch prices. A 0 $/MWh AFP will apply to all market ancillary service prices.

AEMO will continue to monitor the rolling sum of the uncapped dispatch prices and issue further market notices as required.


This is an AEMO autogenerated Market Notice.