AGL’s successful completion of the first two-shifting trial for Bayswater unit 4 (on 7th September 2024)

With plenty of news articles about the ‘end of coal’ in the UK this week, it was with interest that I coincidentally noticed this update from Len McLachlan (the GM of Bayswater-Liddell power stations for AGL via LinkedIn:

2024-10-01-LinkedIn-LenMcLachlan-BW04-TwoShift-Trial

Len wrote:

“The process of two-shifting, which involves taking a unit offline and bringing it back online within a twelve-hour period, was executed with remarkable precision on Unit #4.

Our team desynchronized 20 seconds ahead of the 10am target and resynchronized within 50 seconds of the 3pm target.”

Using these timings and the ‘Bids & Offers’ widget in ez2view, it was pretty quick to narrow down to this period on Saturday 7th September 2024 that matched the specifications:

2024-09-07-at-22-00-ez2view-BidsOffers-BW04-TwoShifting

Flexibility like this in the coal fleet will assist the assets continue for a while longer … until we’ve collectively facilitated the entrance of sufficient replacement ‘Keeping the Lights on Services’.

As we’ve written before … ‘Are we *still* not building enough replacement Firming Capacity?’.


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.

2 Comments on "AGL’s successful completion of the first two-shifting trial for Bayswater unit 4 (on 7th September 2024)"

  1. It would be very interesting to know what the CO2 emissions reductions were throughout this process.

  2. This is how you wreck a base load power station which is at the end of its designed life.

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