Market Notices

53571RESERVE NOTICE31/05/2016 02:16:01 PM

RESERVE NOTICE MT PASA PUBLICATION 31 MAY 2016

AEMO ELECTRICITY MARKET NOTICE

The MT PASA RELIABILITY_LRC results published on 31 May 2016 forecast shows low reserve conditions (LRC) in South Australia for Summer 2016-17 and Summer 2017-18. AEMO will continue to monitor the situation and take appropriate actions, if necessary.

The MT PASA results for the next 12 months are summarised at:
http://www.aemo.com.au/Electricity/Data/Forecast-Supply-and-Demand/Medium-Term-Outlook

This notice supersedes Market Notice 53514 published on 24 May 2016.

Please find the following information on some key inputs used in MT PASA:

Static minimum reserve levels (MRLs) have been specified for QLD, NSW and TAS regions as follows:

QLD: 913 MW
NSW: -1564 MW
TAS: 144 MW

The following optimum shared minimum reserve levels between Victoria and South Australia regions have been specified:

VIC Reserve >= 205.00
5.88 * VIC Reserve + SA Reserve >= 1237.88
1.33 * VIC Reserve + SA Reserve >= 228.00
0.43 * VIC Reserve + SA Reserve >= -40.53
0.23 * VIC Reserve + SA Reserve >= -147.55
SA Reserve >= -368.00

In order to remain consistent with the calculation of the minimum reserve levels, the following interconnector headroom constraints (net import/export limit constraints) have also been applied in MT PASA:

QLD: 0 MW of maximum net import into QLD.
NSW: 330 MW of minimum net export from NSW.
VIC: 940MW of maximum net import into VIC.
SA: 0 MW of maximum net import into SA.

Demand Side Participation included in MT PASA are:

Summer: QLD 156 MW, NSW 422 MW, VIC 245 MW, SA 167 MW and TAS 73 MW

Winter: QLD 156 MW, NSW 422 MW, VIC 185 MW, SA 167 MW and TAS 73 MW

Supply Planning
AEMO
53570NON-CONFORMANCE31/05/2016 11:55:12 AM

NON-CONFORMANCE Region NSW1 Tuesday, 31 May 2016

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Tuesday, 31 May 2016

AEMO declared a schedule generating unit non-conforming

Unit: MP2
Duration: 31/05/2016 11:40 to 31/05/2016 11:55
Amount: -31 MW
Constraint: NC-N_MP2

Auto-generated on behalf of Manager NEM Real Time Operations
53569NON-CONFORMANCE31/05/2016 07:45:22 AM

NON-CONFORMANCE Region QLD1 Tuesday, 31 May 2016

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Tuesday, 31 May 2016

AEMO declared a schedule generating unit non-conforming

Unit: BRAEMAR2
Duration: 31/05/2016 07:30 to 31/05/2016 07:45
Amount: -13 MW
Constraint: NC-Q_BRAEMAR2

Auto-generated on behalf of Manager NEM Real Time Operations
53568NON-CONFORMANCE31/05/2016 07:45:09 AM

NON-CONFORMANCE Region QLD1 Tuesday, 31 May 2016

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Tuesday, 31 May 2016

AEMO declared a schedule generating unit non-conforming

Unit: BRAEMAR1
Duration: 31/05/2016 07:15 to 31/05/2016 07:45
Amount: -13 MW
Constraint: NC-Q_BRAEMAR1

Auto-generated on behalf of Manager NEM Real Time Operations
53567NON-CONFORMANCE31/05/2016 12:50:17 AM

NON-CONFORMANCE Region VIC1 Tuesday, 31 May 2016

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Tuesday, 31 May 2016

AEMO declared a schedule generating unit non-conforming

Unit: HWPS3
Duration: 31/05/2016 00:45 to 31/05/2016 00:50
Amount: 10 MW
Constraint: NC-V_HWPS3

Auto-generated on behalf of Manager NEM Real Time Operations
53566POWER SYSTEM EVENTS30/05/2016 02:38:40 PM

Cancellation - Non-credible contingency event - Victoria region - Monday, 30 May 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation Non-credible contingency event - Victoria region - Monday, 30 May 2016

Jeeralang No 2 220 kV Busbar tripped at 1339 hrs in the Victoria region.

Jeeralang No 2 220 kV Busbar returned to service at 1425 hrs.

The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.

The following constraint sets have been revoked at 1430 hrs

V-JL_BUS 2 and CA_SPS_465E4858


Manager NEM Real Time Operations

53565POWER SYSTEM EVENTS30/05/2016 02:13:54 PM

Non-credible contingency event - Victoria region - Monday, 30 May 2016

AEMO ELECTRICITY MARKET NOTICE

Non-credible contingency event - Victoria region - Monday, 30 May 2016

Jeeralang No 2 220 kV Busbar tripped at 1339 hrs in the Victoria region.

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.

To manage power system security for this event the following constraint sets have been invoked.

V-JL_BUS 2 and CA_SPS_465E4858


Manager NEM Real Time Operations
53564NON-CONFORMANCE30/05/2016 08:45:10 AM

NON-CONFORMANCE Region NSW1 Monday, 30 May 2016

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Monday, 30 May 2016

AEMO declared a schedule generating unit non-conforming

Unit: SITHE01
Duration: 30/05/2016 06:30 to 30/05/2016 08:45
Amount: 23 MW
Constraint: NC-N_SITHE01

Auto-generated on behalf of Manager NEM Real Time Operations
53563RECLASSIFY CONTINGENCY30/05/2016 03:43:34 AM

Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Cancellation of the Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin 857 and 858 275 kV Lines in Queensland due to Lightning.

Refer to AEMO Electricity Market Notice no. 53562


There is no longer any Lightning activity in the vicinity of the Ross - Chalumbin 857 and 858 275 kV Lines.

AEMO has cancelled the reclassification of the simultaneous trip of those circuits as a credible contingency event at 0345 hrs 30/05/2016.


Manager NEM Real Time Operations
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