Tasmania’s grid frequency on Friday 12 April 2024

Posted by Linton CorbetMonday 15th April 2024  9:14 AM   Topic: 2024-04-12 loss of load in Tasmania, Autumn 2024 in the NEM

A Trip of 550MW of industrial load in Tasmania on Friday 12th April 2024 represented a sudden loss of a very large fraction of total Tasmanian load.

The grid frequency chart spanning the event highlights three points in time:

  1. At 10:48:52 grid frequency was normal at 50.019 Hz.
  2. The next measurement, 4 seconds later, at 10:48:56 recorded a frequency of 51.233 Hz.
  3. A steady return to 50 Hz was completed by 10:57:12, approximately 8 minutes later.

 

Loss of load impacted grid frequency

The loss of load impacted grid frequency on 12 April. Source AEMO NEMweb.

 

There will likely be more analysis to follow as we unpack the event.

 

 

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About the Author

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Linton Corbet
Linton is a Senior Software Engineer and Market Analyst, who joined Global-Roam in August 2020. Before joining the company, Linton worked at the Australian Energy Market Operator (AEMO) for seven years, including four years as an analyst within their demand forecasting team. Before entering the energy sector, he worked as an air quality scientist in the Czech Republic.

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(a) Peak demand levels were reduced somewhat from the huge levels the previous week in Victoria and South Australia;
(b) Demand levels were also still building to the record level to be experienced the following week in NSW;
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(d) In combination, a new NEM-wide peak demand target of 30,994MW was set on Monday 23rd January.

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