Market Notices

54927RECLASSIFY CONTINGENCY17/09/2016 04:50:53 PM

Reclassification of a Non-Credible Contingency Event: Chapel Street - Liapootah No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event: Chapel Street - Liapootah No. 1 and No. 2 220 kV Lines in Tasmania due to Lightning.

Lightning is occurring near the Chapel Street - Liapootah No. 1 and No. 2 220 kV Lines.

AEMO considers the simultaneous trip of those circuits to now be more likely.

Therefore AEMO has reclassified this as a credible contingency event from 1650 hrs 17 September 2016 until further notice.

Constraint Set T-CSLI_N-2 invoked


Manager NEM Real Time Operations
54926RESERVE NOTICE17/09/2016 02:35:57 PM

STPASA - Update of the Forecast Lack of Reserve Level 1 (LOR1) condition in the South Australia Region for 21 September 2016

AEMO ELECTRICITY MARKET NOTICE

NOTICE OF UPDATE

The Forecast LOR1 condition in the South Australia region advised in AEMO Electricity Market Notice No. 54920 for the 21 September 2016 has been updated at 1400 hrs 17 September 2016 to the following:

From 1930 hrs to 2000 hrs 21 September 2016.

The contingency capacity reserve required is 400 MW

The minimum reserve available is 371 MW


Manager NEM Real Time Operations
54925RESERVE NOTICE17/09/2016 02:35:30 PM

STPASA - Cancellation of the Forecast Lack of Reserve Level 1 (LOR1) condition in the South Australia Region for 22 September 2016

AEMO ELECTRICITY MARKET NOTICE

NOTICE OF CANCELLATION

The Forecast LOR1 condition in the South Australia region advised in AEMO Electricity Market Notice No. 54920 for the 22 September 2016 is cancelled at 1400 hrs 17 September 2016.

Manager NEM Real Time Operations
54924NON-CONFORMANCE17/09/2016 09:50:12 AM

NON-CONFORMANCE Region VIC1 Saturday, 17 September 2016

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Saturday, 17 September 2016

AEMO declared a schedule generating unit non-conforming

Unit: HWPS8
Duration: 17/09/2016 09:35 to 17/09/2016 09:50
Amount: 18 MW
Constraint: NC-V_HWPS8

Auto-generated on behalf of Manager NEM Real Time Operations
54923NON-CONFORMANCE16/09/2016 10:00:14 PM

NON-CONFORMANCE Region QLD1 Friday, 16 September 2016

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Friday, 16 September 2016

AEMO declared a schedule generating unit non-conforming

Unit: STAN-2
Duration: 16/09/2016 21:55 to 16/09/2016 22:00
Amount: 8 MW
Constraint: NC-Q_STAN-2

Auto-generated on behalf of Manager NEM Real Time Operations
54922RESERVE NOTICE16/09/2016 03:27:38 PM

Cancellation of the Actual (LOR2) condition in the South Australia region - 16 Sept 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Actual (LOR2) condition in the South Australia region - 16 Sept 2016
Refer to AEMO Electricity Market Notice No. 54919
The Actual LOR2 condition in the South Australia Region is cancelled at 1525 hrs 16 Sept 2016

Manager NEM Real Time Operations
54921MARKET SYSTEMS16/09/2016 02:24:06 PM

INC0024135: Unplanned restart of the Network Outage Scheduler (NOS)

Incident Number: INC0024135

Notification issued to: Market Notice

Notification Type: Alert/Update

Service Affected: Network Outage Scheduler (NOS)

Incident Title: Primary NOS server has ran out of memory - require a unplanned reboot

Incident Start Date & Time: 16/09/2016 14:00:05 AEST


Outage Start Date & Time: 16/09/2016 14:25:00 AEST

Outage End Date & Time: 16/09/2016 15:00:00 AEST


Incident Description:

The NOS server is experiencing some issues and requires a restart.

Environment: Production

Participant Impact and Requirements:

NOS will be unavailable during this time should be back by 15:00 AEST.

During the restart, Participants will be unable to login


Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
54920RESERVE NOTICE16/09/2016 02:59:52 PM

Forecast Lack Of Reserve Level 1 (LOR1) in the South Australian Region - STPASA - 21 and 22 Sept 2016

AEMO ELECTRICITY MARKET NOTICE

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

1. From 21/09/2016 1930 hrs to 2030 hrs

The contingency capacity reserve required is 400 MW

The minimum reserve available is 370 MW


2. From 22/09/2016 1900 hrs to 1930 hrs

The contingency capacity reserve required is 400 MW

The minimum reserve available is 386 MW


Bhishma Chhetri
Operations Planning
54919RESERVE NOTICE16/09/2016 07:14:30 AM

Actual LOR2 South Australia Region - 16 Sept 16

AEMO ELECTRICITY MARKET NOTICE

Actual LOR2 South Australia Region - 16 Sept 16
Refer AEMO Electricity Market Notice 54865
An actual LOR2 condition has been declared for the South Australia region from 0700 hrs and is forecast to continue until 1700 hrs during a planned outage of Moorabool - Mortlake 500 kV line in the Victoria region.

If a credible contingency event occurs in this period the South Australia region would separate from the rest of the NEM and is likely to result in interruptions to power supplies.

There are sufficient capacity reserves in the South Australia region to meet electricity demand but it may not be possible to bring the required additional capacity into service in time to avoid automatic under-frequency load shedding causing power interruptions.

Manager NEM Real Time Operations
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