Oireachtas Joint and Select Committees
Wednesday, 4 December 2013
Joint Oireachtas Committee on Transport and Communications
Electricity Transmission Network: Discussion with EirGrid
12:20 pm
Mr. Fintan Slye:
It may not access it directly but the fact that it connects to the station in Wexford provides a bulk in-feed into the grid there. This, in turn, supports and reinforces the grid in the area. Typically, a specific industry would not connect to a 400 kV line. It can do so but typically it would not. There are many more 110 kV and 210 kV lines around and large industries would usually connect into these rather than a 400 kV line. However, it provides a bulk in-feed that supports the entire area.
The Deputy referred to Huntstown, which is near Finglas in north Dublin. He is quite right in that there are two generating stations at this location. I do not know if the stations are running today. They bid in, as do all generators, regarding the price at which they are prepared to generate power. What we do is select the most economic set of those generators on any given day in order to supply power. Depending on the price they bid in, they would or would not run on any given day. To be honest, I just do not know if they are running today. Information on whether they are running is available through the Single Electricity Market Operator, SEMO, website. After the fact, people can visit the website in order to discover what was the actual output of any of the generators available. If there is a specific query, I can discuss the matter with the Deputy afterwards. I am not sure whether I have fully answered his question.
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