Market Notices

53518MARKET SYSTEMS25/05/2016 02:09

Planned System Change - MSATS Pre-Production Mid-Year 2016 - Release 46.85

Change Number: CHG0038803

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: MSATS - Consumer Administration and Transfer Solution

Change Title: Planned System Change - MSATS Pre-Production Mid-Year 2016 - Release 46.85

Change Start Date & Time: 01/06/2016 09:00:00 AEST

Change End Date & Time: 01/06/2016 12:00:00 AEST


Outage Start Date & Time: 01/06/2016 09:00:00 AEST

Outage End Date & Time: 01/06/2016 12:00:00 AEST


Change Description:

The MSATS Pre-Production system will be upgraded with the release 46.85 as per the change notice 930 issued on 16th March 2016.
Note: There are no schema changes associated with this release

Environment: Pre-Production

Participant Impact and Requirements:

Awareness of this Outage. MSATS Pre-Production environment will be unavailable during the outage times mentioned above.

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
53517NON-CONFORMANCE25/05/2016 12:25

NON-CONFORMANCE Region VIC1 Wednesday, 25 May 2016

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE VIC1 Region Wednesday, 25 May 2016

AEMO declared a schedule generating unit non-conforming

Unit: YWPS2
Duration: 25/05/2016 00:00 to 25/05/2016 00:25
Amount: -27 MW
Constraint: NC-V_YWPS2

Auto-generated on behalf of Manager NEM Real Time Operations
53516POWER SYSTEM EVENTS24/05/2016 06:57

Update Non-credible contingency event - NSW region - 24 May 2016

AEMO ELECTRICITY MARKET NOTICE

Update Non-credible contingency event - NSW region - 24 May 2016

Refer market notice 53511,53515

At 0950 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A opened simultaneously.

At 1827 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A were returned to service.

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.

AEMO will not reclassify this event as a credible contingency event.


Manager NEM Real Time Operations
53515POWER SYSTEM EVENTS24/05/2016 03:24

Update Non-credible contingency event - NSW region - 24 May 2016

AEMO ELECTRICITY MARKET NOTICE

Update Non-credible contingency event - NSW region - 24 May 2016

Refer market notice 53511

At 0950 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A opened simultaneously.

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

Refer to AEMO Network Outage Scheduler (NOS) for further details.

Manager NEM Real Time Operations
53514RESERVE NOTICE24/05/2016 03:10

RESERVE NOTICE MT PASA PUBLICATION 24 MAY 2016

AEMO ELECTRICITY MARKET NOTICE

The MT PASA RELIABILITY_LRC results published on 24 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 53397 published on 17 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
53513INTER-REGIONAL TRANSFER24/05/2016 01:07

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

The AEMO Dynamic Stability Analysis application is no longer indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraint set has been revoked at 1305 hrs.

Constraint V-DSA_STAB-050

Constraints have the following interconnectors on the LHS

NSW1-QLD1
T-V-MNSP1
V-SA
V-S-MNSP1
VIC1-NSW1


Manager NEM Real Time Operations
53512INTER-REGIONAL TRANSFER24/05/2016 11:49

Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

The AEMO Dynamic Stability Analysis application is indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraint set has been invoked to apply offset reduction to the Victoria transient stability export limit.

Constraint V-DSA_STAB-050 invoked from 1145 hrs until further notice.

Constraints have the following interconnectors on the LHS

NSW1-QLD1
T-V-MNSP1
V-SA
V-S-MNSP1
VIC1-NSW1


Manager NEM Real Time Operations
53511POWER SYSTEM EVENTS24/05/2016 11:16

Non-credible contingency event - NSW region - 24 May 2016

AEMO ELECTRICITY MARKET NOTICE

Non-credible contingency event - NSW region - 24 May 2016

At 0950 hrs the Tuggerah 330kV circuit breakers 212A and 2M2A opened simultaneously.

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.


Manager NEM Real Time Operations
53510INTER-REGIONAL TRANSFER24/05/2016 07:28

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation for Transient Stability Limit Victoria Region Tuesday, 24 May 2016

The AEMO Dynamic Stability Analysis application is no longer indicating violations for a fault on a Hazelwood - South Morang 500 kV transmission line in the Victoria region. The following constraint set has been revoked at 0715hrs.

Constraint V-DSA_STAB-050

Constraints have the following interconnectors on the LHS

NSW1-QLD1
T-V-MNSP1
V-SA
V-S-MNSP1
VIC1-NSW1


Manager NEM Real Time Operations
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