Direction for System Strength in NSW again–on Thursday 30th October 2025

In a repeat of yesterday, the AEMO has again directed for System Strength in NSW on Thursday 30th October 2025.

At 07:06 was MN130248 as follows:

‘——————————————————————-
MARKET NOTICE
——————————————————————-

From :              AEMO
To   :              NEMITWEB1
Creation Date :     30/10/2025     07:06:28

——————————————————————-

Notice ID               :         130248
Notice Type ID          :         MARKET INTERVENTION
Notice Type Description :         Reserve Contract / Direction / Instruction
Issue Date              :         30/10/2025
External Reference      :         Direction – NSW region 30/10/2025

——————————————————————-

Reason :

AEMO ELECTRICITY MARKET NOTICE

Direction – NSW region 30/10/2025

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the NSW region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 0705 hrs on 30/10/2025.

Intervention pricing does not apply to this AEMO intervention event.

AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.

Manager NEM Real Time Operations

——————————————————————-
END OF REPORT
——————————————————————-’

 

… then there was MN130249 at 07:10 as follows:

‘——————————————————————-
MARKET NOTICE
——————————————————————-

From :              AEMO
To   :              NEMITWEB1
Creation Date :     30/10/2025     07:10:30

——————————————————————-

Notice ID               :         130249
Notice Type ID          :         MARKET INTERVENTION
Notice Type Description :         Reserve Contract / Direction / Instruction
Issue Date              :         30/10/2025
External Reference      :         Direction – NSW region to Snowy Hydro Limited – TUMUT3-2 TUMUT3

——————————————————————-

Reason :

AEMO ELECTRICITY MARKET NOTICE

Direction – NSW region to Snowy Hydro Limited – TUMUT3-2 TUMUT3

Refer to Market Notice 130248

In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to Snowy Hydro Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

Direction issued to:  Snowy Hydro Limited – TUMUT3-2 TUMUT3 at 0700 hrs 30/10/2025
Type of resource: generating unit operating as synchronous condenser

Required actions: Remain synchronised and operate as a synchronous condenser at 0700 hrs 30/10/2025


Services provided: System Strength,Voltage support is NOT required as part of this direction
.

Circumstances necessitating the Direction:System Strength

Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 1800 hrs 30/10/2025

Snowy Hydro Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.

Manager NEM Real Time Operations

——————————————————————-
END OF REPORT
——————————————————————-‘


About the Author

Paul McArdle
Paul was one of the founders of Global-Roam in February 2000. He is currently the CEO of the company and the principal author of WattClarity. Writing for WattClarity has become a natural extension of his work in understanding the electricity market, enabling him to lead the team in developing better software for clients. Before co-founding the company, Paul worked as a Mechanical Engineer for the Queensland Electricity Commission in the early 1990s. He also gained international experience in Japan, the United States, Canada, the UK, and Argentina as part of his ES Cornwall Memorial Scholarship.

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