Oireachtas Joint and Select Committees

Tuesday, 30 August 2022

Joint Oireachtas Committee on Climate Action

Energy Supply and Security: Discussion

Mr. Rodney Doyle:

The generation capacity statement, which we produce, is looking at a gap of about 260 to 280 MW. What we also do on an annual basis, before every winter starts, is produce something called the winter outlook, which looks at the specifics of the winter. To the point that was made earlier, it is a very live piece of work we do. At any point in time a generator can come back or another generator can go or force off the system. As we sit here, the GCS is saying the gap will be between 260 and 280 MW. Over the next couple of weeks, we will look again, as we do regularly, at the plant situation and determine where we are at that point in time. Through the winter, we will utilise all the tools available to us to manage that gap.

In terms of demand-side management or DSM, we have approximately 500 MW of demand-side management connected to the system. What we want from the DSM is an increase in the performance such that if we have 500 MW connected, we can rely on up to that amount. We want to see a closure in the gap between what is signed up and what delivers for us. As more DSM connects to the system, which would be good because there is potential out there, the important thing will be how much we actually get from it on the day. Capacity we can rely on for the system on the day is what we need.

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