Market Notices

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1520 hrs on 24 January 2019

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 24 January 2019.

Refer to market notice: 66620

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to NSW directional interconnector.

The negative residue constraint NRM_VIC1_NSW1 ceased operating at 1520 hrs on 24 January 2019.

This is an AEMO autogenerated Market Notice.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Actual Lack Of Reserve Level 1 (LOR1) in the VIC region - 24/01/2019

An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the VIC region from 1500 hrs.
The Actual LOR1 condition is forecast to exist until 2030 hrs

The capacity reserve requirement is 1120 MW
The minimum capacity reserve available is 761 MW

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1500 hrs on 24 January 2019

ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 24 January 2019.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to NSW directional interconnector.

The negative residue constraint set NRM_VIC1_NSW1 commenced operating from 1500 hrs on 24 January 2019.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.

AEMO ELECTRICITY MARKET NOTICE. AEMO Intervention Event, Reliability and Emergency Reserve Trader (RERT) - SA1, VIC1 Region- 24/01/2019 Refer AEMO Electricity Market Notice no. 66616 AEMO has dispatched/activated reserve contract(s) to maintain the power system in a Secure and Reliable operating state. The reserve contract(s) was dispatched/activated at 16:30 hrs 24/01/2019 and is forecast to apply until 19:00 hrs 24/01/2019 AEMO has implemented an AEMO intervention event for the duration the reserve contract(s) is dispatched/activated/ To facilitate the RERT process, constraints commencing with the following identifiers may be evident at various times in dispatch, #RT_SA1, #RT_VIC1 Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Reclassification of a Non-Credible Contingency Event: Murray - Upper Tumut 65 330 kV and Lower Tumut - Murray 66 330kV Lines in NSW due to Bushfire.

AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: NSW

Lines: Murray - Upper Tumut 65 330kV Line and Lower Tumut - Murray 66 330 kV Line

Duration: 1415 hrs 24/01/2019 until further notice

Constraint set(s) invoked:
I-NIL_65+66_N-2

Constraint set contains the following interconnector(s) on the left hand side:
V-S-MNSP1
VIC1-NSW1

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Thursday, 24 January 2019

AEMO declared a schedule generating unit non-conforming

Unit: TARONG#3
Duration: 24/01/2019 14:00 to 24/01/2019 14:05
Amount: 21 MW
Constraint: NC-Q_TARONG#3

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE. Reliability and Emergency Reserve Trader (RERT) Intention to negotiate for additional reserve - SA1, VIC1 Region- 24/01/2019 Refer to AEMO Electricity Market Notice no. 66605. AEMO intends to commence negotiations with RERT Panel members for the provision of additional reserve by issuing requests for tender for the following period of time; 14:00 to 22:00 hrs 24/01/2019 If reserve is required, the period of activation or dispatch will be within this period but may not be for the entire period. AEMO will issue a further advice if reserve is contracted. Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

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

1. From 0930 hrs to 1030 hrs 25/01/2019.
2. From 1630 hrs to 1700 hrs 25/01/2019.
The forecast capacity reserve requirement is 1120 MW.
The minimum capacity reserve available is 795 MW.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE
PDPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the VIC Region on 24/01/2019
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the VIC region for the following periods:

1. From 1030 hrs to 1230 hrs 25/01/2019.
2. From 1430 hrs to 1630 hrs 25/01/2019.
The forecast capacity reserve requirement is 886 MW.
The minimum capacity reserve available is 65 MW.

AEMO is seeking a market response.

AEMO estimates the latest time at which it would need to intervene through an AEMO intervention event is 0800 hrs on 25/01/2019.

Manager NEM Real Time Operations