Market Notices

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Saturday, 11 April 2026

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MPP_2
Duration: 11/04/2026 12:05 to 11/04/2026 12:15
Amount: -15 MW
Constraint: NC-Q_MPP_2

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 10/04/2026

At 1646 hrs the Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV lines tripped.

AEMO did not instruct load shedding.

AEMO has not been advised of any disconnection of bulk electrical load.

The cause of the trip was identified as due to lightning.

In accordance with SO_OP_3715, the Farrell - Reece No.1 and No.2 220 kV lines are considered vulnerable with a category of probable due to lightning.

At the time of the trip, Farrell - Reece No.1 220 kV and Farrell - Reece No.2 220 kV lines were not reclassified due to lightning.

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 from 16:50 hrs until further notice.

Refer market notice 141010


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Update - refer market notice 140994

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: RYANCWF1
Duration: 1035 HRS 10/04/2026 to 1040 HRS 10/04/2026
Amount: 139 MW
Constraint: NC-V_RYANCWF1

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Update - Refer market notice 140993

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: GPWFEST2
Duration: 1035 HRS 10/04/2026 to 1040 HRS 10/04/2026
Amount: 237 MW
Constraint: NC-V_GPWFEST2

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Update - refer to market notice 104992

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: GPWFEST1
Duration: 1035 HRS 10/04/2026 to 1040 HRS 10/04/2026
Amount: 239 MW
Constraint: NC-V_GPWFEST1

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Update - Refer to market notice 140990

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: ELAINWF1
Duration: 1035 HRS 10/04/2026 to 1040 HRS 10/04/2026
Amount: 74 MW
Constraint: NC-V_ELAINWF1

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: RYANCWF1
Duration: 1035 HRS 10/04/2026 to 1035 HRS 10/04/2026
Amount: 139 MW
Constraint: NC-V_RYANCWF1

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: GPWFEST2
Duration: 1035 HRS 10/04/2026 to 1035 HRS 10/04/2026
Amount: 237 MW
Constraint: NC-V_GPWFEST2

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: GPWFEST1
Duration: 1035 HRS 10/04/2026 to 1035 HRS 10/04/2026
Amount: 239 MW
Constraint: NC-V_GPWFEST1

Manager NEM Real Time Operations