Are We Moving Fast Enough Along With Storage?

You've done a lot of work on mapping pumped hydro sites and wind and solar sites too I should say. Are you sort of comfortable with where we're heading? Are we doing it quickly enough? You've said that we don't need to just sort of double our wind and solar output or double capacity, we need to triple the capacity. But in a lot of announcements at the moment there's 15 gigawatts of pumped hydro under construction or announced by government. That is a significant fraction of what will eventually need. We need maybe 40 or 50 gigawatts of storage, a large fraction of which will be battery or demand and management which looks like storage. So 15 or 20 or 25 gig