Market Notices

76533INTER-REGIONAL TRANSFER04/08/2020 12:59:20 PM

Inter-regional transfer limit variation - Wodonga - Jindera 060 330 kV Line - Vic Region - 04/08/2020

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Wodonga - Jindera 060 330 kV Line - Vic Region - 04/08/2020

A planned outage of Wodonga - Jindera 060 330 kV Line in the Vic region was rescheduled from 1100 hrs 04/08/2020 to 1900 hrs 04/08/2020.

The outage has been cancelled.

Constraint set(s) invoked:

I-JNWO_RADIAL
N-DPWG_63_X5
V-DBUSS_T

This constraint set(s) contains equations with the following interconnectors on the LHS.

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
76532RESERVE NOTICE04/08/2020 09:34:09 AM

Cancellation of Actual (LOR1) condition in the Tasmania region - 04/08/2020

AEMO ELECTRICITY MARKET NOTICE

Cancellation of Actual (LOR1) condition in the Tasmania region - 04/08/2020

The Actual LOR1 Condition in the Tasmania Region advised in AEMO Electricity Market Notice No.76529 is cancelled at 0900 hrs 04/08/2020

The Actual LOR1 was not genuine due to a SCADA error which has now been resolved.

Manager NEM Real Time Operations
76531MARKET SYSTEMS04/08/2020 09:18:49 AM

CHG0060245 : Planned System Outage to Declared Wholesale Gas Market Production Systems - Rescheduled

Market Notice

Change Number: CHG0060245

Notification issued to: Market Notice

Notification Type: Reschedule

Change Type: Normal

Service/ Component: Declared Wholesale Gas Market

Change Title: Planned System Outage to Declared Wholesale Gas Market Production Systems

Change Start Date & Time: 04/08/2020 17:30:00 AEST

Change End Date & Time: 04/08/2020 22:30:00 AEST

Outage Start Date & Time: 04/08/2020 18:30:00 AEST

Outage End Date & Time: 04/08/2020 21:00:00 AEST

Change Description:

Due to Operational Reasons CHG0060245 has been rescheduled. A future scheduled date will be provided in due course.

Environment: Production

Participant Impact and Requirements:

The following impacts are expected during the Site transfer:
- All access to the Declared Wholesale Gas Market Production Systems will be unavailable.
- All access to the MIBB for the NSW/ACT Retail Gas Market Participants will be unavailable.

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
76530MARKET SYSTEMS04/08/2020 09:11:40 AM

AEMO Help Desk Bulletin No. 2509 : CHG0060401 : Planned Outage - MSATS PreProduction

Market Notice

Change Number: CHG0060401

Notification issued to: Market Notice

Notification Type: Initial

Change Type: Normal

Service/ Component: MSATS - Consumer Administration and Transfer Solution(CATS)

Change Title: Planned Outage - MSATS PreProduction

Change Start Date & Time: 06/08/2020 13:00:00 AEST

Change End Date & Time: 06/08/2020 18:00:00 AEST

Outage Start Date & Time: 06/08/2020 14:00:00 AEST

Outage End Date & Time: 06/08/2020 18:00:00 AEST

Change Description:

MSATS Pre-Production will be unavailable for the duration of the maintenance window.

Environment: Pre-Production

Participant Impact and Requirements:

The MSATS Pre-Production environment will be unavailable during the outage window .

Support Information:
Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
76529RESERVE NOTICE04/08/2020 08:49:53 AM

Actual Lack Of Reserve Level 1 (LOR1) in the Tasmania region - 04/08/2020

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the Tasmania region - 04/08/2020

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the Tasmania region from 0830 hrs.

The Actual LOR1 condition is forecast to exist until 0900 hrs.

The capacity reserve requirement is 730 MW
The minimum capacity reserve available is 699 MW

Manager NEM Real Time Operations
76527RESERVE NOTICE03/08/2020 03:19:06 PM

STPASA - Update Forecast Lack Of Reserve Level 1 (LOR1) in the Tasmania Region on 07/08/2020 and 10/08/2020

AEMO ELECTRICITY MARKET NOTICE

The forecast LOR1 condition in the Tasmania region advised in AEMO Electricity Market Notice No. 76508 has been updated at 1400 hrs 03/08/2020 to the following:

From 0730 hrs to 0900 hrs on 07/08/2020.
The forecast capacity reserve requirement is 731 MW.
The minimum capacity reserve available is 704 MW.

From 1730 hrs to 1900 hrs on 10/08/2020.
The forecast capacity reserve requirement is 731 MW.
The minimum capacity reserve available is 703 MW.

Manish Bhaskar
AEMO Operations
76526CONSTRAINTS03/08/2020 02:47:40 PM

Update to system strength requirements in North Queensland

AEMO ELECTRICITY MARKET NOTICE

Refer to market notice 76455

AEMO and Powerlink are continuing to investigate system strength requirements in North Queensland. The constraint equations will be revised at 1400 hrs Wed 5th August 2020.

The following combination will be updated:
7 - 2 x Stanwell, 1 x Callide B or Callide C, 3 x Gladstone, 7 x Total Stanwell+Callide+Gladstone, 0 or 1 x Kareeya, > 450 MW Nth Qld load, > 250 MW Ross + FNQ load: 80% output at Clare, Collinsville, Daydream, Hamilton, Hayman, Kidston, Ross, Rugby Run, Whitsunday

The following new combinations will be implemented:
10 - 2 x Stanwell, 1 x Callide B, 1 x Callide C, 3 x Gladstone, 8 x Total Stanwell+Callide+Gladstone, 3 x Kareeya, > 450 MW Nth Qld load, > 250 MW Ross + FNQ load: 20% output at Haughton, Sun Metals and Mt Emerald WF
11 - 2 x Stanwell, 1 x Callide B, 1 x Callide C, 3 x Gladstone, 8 x Total Stanwell+Callide+Gladstone, 3 x Kareeya, 1 x Barron Gorge, > 450 MW Nth Qld load, > 250 MW Ross + FNQ load: 40% output at Haughton, Sun Metals and Mt Emerald WF

If combination 7 is not met Clare, Collinsville, Daydream, Hamilton, Hayman, Kidston, Ross, Rugby Run, Whitsunday are limited to 0 MW and 0 inverters.
If combinations 10 and 11 are not met Haughton, Sun Metals and Mt Emerald WF are limited to 0 MW and 0 inverters

The constraint equations in the Q-NIL set of the form below will be modified:
Q_NIL_STRGTH_XXX
Q_NIL_STRGTH_XXX_I

For further details please contact James Lindley at james.lindley@aemo.com.au or Simon Taylor at businessdevelopment@powerlink.com.au

Ben Blake
AEMO Operations
76525INTER-REGIONAL TRANSFER03/08/2020 06:04:47 AM

Cancellation - Inter-regional transfer limit variation: Hazelwood - South Morang No.1 500 kV Line (Vic) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation: Hazelwood - South Morang No.1 500 kV Line (Vic) - Voltage Control

Refer AEMO Electricity Market Notice 76503

The Hazelwood - South Morang No.1 500 kV Line has been returned to service.

The following constraint set was revoked at 0610 hrs


V-HWSM

The constraint set contains equations with the following interconnectors on the LHS.

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

Manager NEM Real Time Operations



76524RECLASSIFY CONTINGENCY03/08/2020 01:44:20 AM

Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 due to Lightning.

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: TAS1

Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown

Cancellation time: 03/08/2020 01:44

Constraint set(s) revoked:
NONE

Refer AEMO Electricity Market Notice 76511

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