Eraring Unit 3 comes offline early Thursday 2nd October 2025 – on the (delayed) short-notice maintenance outage

Posted by Paul McArdleThursday 2nd October 2025  8:38 AM   Topic: 2025-10-02, 2025-10-13

In recent weeks, we’ve written several times about a short-notice outage required at ER03 – which appears to be due to issues on one of the unit’s ID fans.

So it made sense to wrap the story up with a note that the unit came offline this morning Thursday 2nd October 2025 – as captured at the time in this ‘Notification’ widget alert in ez2view:

2025-10-02-at-01-35-ez2view-Notifications-ER03-offline

 

So an updated view of the expectations for Availability in PD/ST PASA within ‘Forecast Convergence’ widget in ez2view is as follows:

2025-10-02-at-08-10-ez2view-ForecastConvergence-ER03

With respect to this image:

1)  Remember that it allows one to ‘look up a vertical’ in order to see ‘that other dimension of time’.

2)  And is showing the the new PDPASA/STPASA data published (which went live from 31st July 2025).

3)  So we can see that (following the article of 6 days ago) it was this Tuesday 30th September 2025 when the decision was made to bring the unit off a day earlier than tomorrow (i.e. Thursday 2nd October 2025 )

4)  And is planned to be out for at least until the end of the ST PASA run (i.e. offline into next Thursday 9th October 2025)

… if we check into the MT PASA DUID Availability data in the ‘Generator Outages’ widget in ez2view, we see the expected return to service is sometime on Monday 13th October 2025:

2025-10-02-at-08-30-ez2view-GeneratorOutagespng

 

Completing the quick picture (at least for now) here’s a view of recent bids in the ‘Bids & Offers’ widget in ez2view (layout tweaked slightly in an in-development v9.14.* version I’m testing out at present):

2025-10-02-at-08-10-ez2view-BidsOffers-ER03

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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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