Steven Matthews (Wicklow, Green Party)
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I have one last question if we have time. I know we are talking about large-scale, long-duration storage. I want to look at a much smaller version of it, a short term and almost individual version in the electric vehicle market. As the number of electrical vehicles increases and in businesses, you have these 80 kW, or possibly 100 kW, batteries sitting in the driveway. There is a massive potential of power there for domestic use. If you add a neighbourhood together, you have real potential in that grid.

I read recently about advancements in smart grid technology, with people's houses telling them when to use power. Is there potential in that as well? Is there resistance from or difficulty with car manufacturers? Obviously, the number of times a battery is cycled affects the warranty on that battery. Is this approach being used successfully anywhere or is it just a potentiality?