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64203CONSTRAINTS13/09/2018 03:50:30 PM
Updated generator combinations for SA system strength
AEMO MARKET NOTICE
AEMO is continuing to investigate system strength requirements in South Australia.
AEMO has identified 14 additional combinations which meet minimum system strength requirements in South Australia.
New combinations:
LOW_39 - 1 x Pelican Point GT + ST + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_40 - 1 x Pelican Point GT + ST + Quarantine 5 + Dry Creek 1-3
LOW_41 - 2 x Pelican Point GT + ST + Osborne GT & ST
LOW_42 - 2 x Pelican Point GT + ST + Mintaro
LOW_43 - 2 x Pelican Point GT + ST + either Quarantine 5 or Dry Creek 1-3
LOW_44 - 4 x Torrens Island A unit + 1 x Pelican Point GT + ST
LOW_45A - 4 x Torrens Island A unit + Mintaro
LOW_45B - 4 x Torrens Island B unit + Mintaro
LOW_46 - 3 x Torrens Island A unit + 1 x Pelican Point GT + ST + Mintaro
LOW_47 - 3 x Torrens Island A unit + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_48A - 1 x Torrens Island A unit + Osborne GT & ST + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_48B - 1 x Torrens Island B unit + Osborne GT & ST + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_49 - 1 x Torrens Island A unit + 1 x Torrens Island B unit + Quarantine 5 + Dry Creek 1-3 + Mintaro
LOW_50 - 2 x Torrens Island A unit + Quarantine 5 + Dry Creek 1-3 + Mintaro
Replaced combinations:
LOW_25 - 3 x Torrens Island B unit + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_26 - 1 x Torrens Island A unit + 1 x Torrens Island B unit + Osborne GT & ST + Mintaro
LOW_30 - 2 x Torrens Island A unit + Osborne GT & ST + Mintaro
LOW_35 - 1 x Pelican Point GT + ST + Osborne GT & ST + Mintaro
Removed combinations:
LOW_23B
LOW_32
HIGH_14
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of October 2018.
Ben Blake
AEMO Operations
AEMO is continuing to investigate system strength requirements in South Australia.
AEMO has identified 14 additional combinations which meet minimum system strength requirements in South Australia.
New combinations:
LOW_39 - 1 x Pelican Point GT + ST + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_40 - 1 x Pelican Point GT + ST + Quarantine 5 + Dry Creek 1-3
LOW_41 - 2 x Pelican Point GT + ST + Osborne GT & ST
LOW_42 - 2 x Pelican Point GT + ST + Mintaro
LOW_43 - 2 x Pelican Point GT + ST + either Quarantine 5 or Dry Creek 1-3
LOW_44 - 4 x Torrens Island A unit + 1 x Pelican Point GT + ST
LOW_45A - 4 x Torrens Island A unit + Mintaro
LOW_45B - 4 x Torrens Island B unit + Mintaro
LOW_46 - 3 x Torrens Island A unit + 1 x Pelican Point GT + ST + Mintaro
LOW_47 - 3 x Torrens Island A unit + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_48A - 1 x Torrens Island A unit + Osborne GT & ST + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_48B - 1 x Torrens Island B unit + Osborne GT & ST + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_49 - 1 x Torrens Island A unit + 1 x Torrens Island B unit + Quarantine 5 + Dry Creek 1-3 + Mintaro
LOW_50 - 2 x Torrens Island A unit + Quarantine 5 + Dry Creek 1-3 + Mintaro
Replaced combinations:
LOW_25 - 3 x Torrens Island B unit + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_26 - 1 x Torrens Island A unit + 1 x Torrens Island B unit + Osborne GT & ST + Mintaro
LOW_30 - 2 x Torrens Island A unit + Osborne GT & ST + Mintaro
LOW_35 - 1 x Pelican Point GT + ST + Osborne GT & ST + Mintaro
Removed combinations:
LOW_23B
LOW_32
HIGH_14
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of October 2018.
Ben Blake
AEMO Operations
63893CONSTRAINTS15/08/2018 08:27:04 AM
New Victorian system normal voltage stability limit
AEMO ELECTRICITY MARKET NOTICE
A new Victorian system normal constraint equation has been implemented on 15 August 2018 at 0825 hrs. This constraint equation is to manage voltage stability for loss of all APD potlines for transfers from Victoria to NSW. This will most likely limit Victoria to NSW flows under light load conditions.
The new constraint equation is :
V^^N_NIL_1
Terry Liu
AEMO Operations
A new Victorian system normal constraint equation has been implemented on 15 August 2018 at 0825 hrs. This constraint equation is to manage voltage stability for loss of all APD potlines for transfers from Victoria to NSW. This will most likely limit Victoria to NSW flows under light load conditions.
The new constraint equation is :
V^^N_NIL_1
Terry Liu
AEMO Operations
63440CONSTRAINTS12/07/2018 02:53:06 PM
Updated generator combinations for SA system strength
AEMO MARKET NOTICE
Updated generator combinations for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified two additional generator combinations which meet minimum system strength requirements in South Australia.
The new combinations are:
HIGH_13 2 x Torrens Island A unit + 3 x Torrens Island B unit + 1 x Pelican Point GT + ST
HIGH_14 2 x Torrens Island A unit + 4 x Torrens Island B unit + 1 x Pelican Point GT + ST
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
NEM Real Time Operations Manager
Updated generator combinations for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified two additional generator combinations which meet minimum system strength requirements in South Australia.
The new combinations are:
HIGH_13 2 x Torrens Island A unit + 3 x Torrens Island B unit + 1 x Pelican Point GT + ST
HIGH_14 2 x Torrens Island A unit + 4 x Torrens Island B unit + 1 x Pelican Point GT + ST
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
NEM Real Time Operations Manager
63389CONSTRAINTS06/07/2018 05:06:50 PM
Updated generator combinations for SA system strength
AEMO MARKET NOTICE
Updated generator combinations for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified an additional generator combination which meets minimum system strength requirements in South Australia.
The new combination is:
LOW_38 - 4 x Torrens Island B unit + 1 x Torrens Island A unit
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of July 2018.
Ben Blake
AEMO Operations
Updated generator combinations for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified an additional generator combination which meets minimum system strength requirements in South Australia.
The new combination is:
LOW_38 - 4 x Torrens Island B unit + 1 x Torrens Island A unit
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of July 2018.
Ben Blake
AEMO Operations
63281CONSTRAINTS28/06/2018 04:36:26 PM
Updated generator combinations for SA system strength
AEMO MARKET NOTICE
Updated generator combinations for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified two additional generator combinations which meet minimum system strength requirements in South Australia.
The new combination is:
LOW_36 - 4 x Torrens Island B unit + Osborne GT & ST
LOW_37 - 4 x Torrens Island B unit + either Quarantine 5 or Dry Creek 1-3
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of July 2018.
Ben Blake
AEMO Operations
Updated generator combinations for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified two additional generator combinations which meet minimum system strength requirements in South Australia.
The new combination is:
LOW_36 - 4 x Torrens Island B unit + Osborne GT & ST
LOW_37 - 4 x Torrens Island B unit + either Quarantine 5 or Dry Creek 1-3
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of July 2018.
Ben Blake
AEMO Operations
63024CONSTRAINTS30/05/2018 03:07:18 PM
Updated generator combination for SA system strength
AEMO MARKET NOTICE
Updated generator combination for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified an additional generator combination which meets minimum system strength requirements in South Australia.
The new combination is:
LOW_35 - 1 x Torrens Island A unit + 1 x Pelican Point GT/ST units + Osborne GT & ST + Mintaro
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of June 2018.
Terry Liu
AEMO Operations
Updated generator combination for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified an additional generator combination which meets minimum system strength requirements in South Australia.
The new combination is:
LOW_35 - 1 x Torrens Island A unit + 1 x Pelican Point GT/ST units + Osborne GT & ST + Mintaro
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of June 2018.
Terry Liu
AEMO Operations
62949CONSTRAINTS25/05/2018 05:22:21 PM
Updated generator combination for SA system strength
AEMO MARKET NOTICE
Updated generator combination for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified an additional generator combination which meets minimum system strength requirements in South Australia.
The new combination is:
LOW_34 - 3 x Torrens Island A units + 1 x Torrens Island B unit + Mintaro + non-synchronous generation <= 1000 MW
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of June 2018.
Ben Blake
AEMO Operations
Updated generator combination for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified an additional generator combination which meets minimum system strength requirements in South Australia.
The new combination is:
LOW_34 - 3 x Torrens Island A units + 1 x Torrens Island B unit + Mintaro + non-synchronous generation <= 1000 MW
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of June 2018.
Ben Blake
AEMO Operations
62906CONSTRAINTS22/05/2018 04:55:25 PM
Updated generator combinations for SA system strength
AEMO MARKET NOTICE
Updated generator combinations for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified two additional generator combination which meet minimum system strength requirements in South Australia.
The new combinations are:
LOW_31 - 2 x Torrens Island A units + 2 x Torrens Island B units + Mintaro
LOW_32 - 3 x Torrens Island A units + Osborne GT & ST + Mintaro
LOW_33 - 1 x Torrens Island B unit + 1 x Pelican Point GT/ST units + Quarantine 5 + Dry Creek 1-3
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of June 2018.
Ben Blake
AEMO Operations
Updated generator combinations for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified two additional generator combination which meet minimum system strength requirements in South Australia.
The new combinations are:
LOW_31 - 2 x Torrens Island A units + 2 x Torrens Island B units + Mintaro
LOW_32 - 3 x Torrens Island A units + Osborne GT & ST + Mintaro
LOW_33 - 1 x Torrens Island B unit + 1 x Pelican Point GT/ST units + Quarantine 5 + Dry Creek 1-3
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of June 2018.
Ben Blake
AEMO Operations
62878CONSTRAINTS18/05/2018 05:28:12 PM
Updated generator combinations for SA system strength
AEMO MARKET NOTICE
Updated generator combinations for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified ten additional generator combinations which meet minimum system strength requirements in South Australia.
The new combinations:
LOW_18B - 1 x Torrens Island A units + 3 x Torrens Island B units + either Quarantine 5 or Dry Creek 1-3
LOW_23A - 2 x Torrens Island A units + 1 x Torrens Island B units + Osborne GT & ST + Mintaro
LOW_23B - 1 x Torrens Island A units + 2 x Torrens Island B units + Osborne GT & ST + Mintaro
LOW_24 - 2 x Torrens Island A units + 1 x Torrens Island B units + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_25 - 2 x Torrens Island B units + Quarantine 5 + Dry Creek 1-3 + Mintaro
LOW_26 - 1 x Torrens Island A units + 1 x Torrens Island B units + Osborne GT & ST + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_27 - 1 x Torrens Island A units + 2 x Torrens Island B units + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_28 - 1 x Torrens Island A units + 3 x Torrens Island B units + Mintaro
LOW_29 - 3 x Torrens Island B units + Osborne GT & ST + Mintaro
LOW_30 - 2 x Torrens Island A units + Osborne GT & ST + either Quarantine 5 or Dry Creek 1-3 + Mintaro
The following combinations have been relabelled:
LOW_18 is now LOW_18A
LOW_17A is now LOW_17
LOW_20A is now LOW_20
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of June 2018.
Ben Blake
AEMO Operations
Updated generator combinations for SA system strength
AEMO is continuing to investigate system strength requirements in South Australia.
Through this work, AEMO has identified ten additional generator combinations which meet minimum system strength requirements in South Australia.
The new combinations:
LOW_18B - 1 x Torrens Island A units + 3 x Torrens Island B units + either Quarantine 5 or Dry Creek 1-3
LOW_23A - 2 x Torrens Island A units + 1 x Torrens Island B units + Osborne GT & ST + Mintaro
LOW_23B - 1 x Torrens Island A units + 2 x Torrens Island B units + Osborne GT & ST + Mintaro
LOW_24 - 2 x Torrens Island A units + 1 x Torrens Island B units + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_25 - 2 x Torrens Island B units + Quarantine 5 + Dry Creek 1-3 + Mintaro
LOW_26 - 1 x Torrens Island A units + 1 x Torrens Island B units + Osborne GT & ST + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_27 - 1 x Torrens Island A units + 2 x Torrens Island B units + either Quarantine 5 or Dry Creek 1-3 + Mintaro
LOW_28 - 1 x Torrens Island A units + 3 x Torrens Island B units + Mintaro
LOW_29 - 3 x Torrens Island B units + Osborne GT & ST + Mintaro
LOW_30 - 2 x Torrens Island A units + Osborne GT & ST + either Quarantine 5 or Dry Creek 1-3 + Mintaro
The following combinations have been relabelled:
LOW_18 is now LOW_18A
LOW_17A is now LOW_17
LOW_20A is now LOW_20
For more information refer to the updated limits advice:
https://www.aemo.com.au/-/media/Files/Electricity/NEM/Security_and_Reliability/Congestion-Information/2018/Transfer-Limit-Advice---South-Australian-System-Strength.pdf
A further update to this advice is planned before the end of June 2018.
Ben Blake
AEMO Operations