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
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time. As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.

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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