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To go back to what Fergus Ewing said, there is an opportunity for constrained power to be used to produce green hydrogen, although the potential for that has not yet been exploited at scale. As you rightly said, in your constituency, the H100 Fife project is leading the way in proving the point that hydrogen could be safely used for heating homes. There are different views on whether that is feasible from a cost point of view, but the H100 project is seeking to prove the concept. I was delighted to be able to visit it to see what it is doing.

Water usage, whether for hydrogen or anything else, is continually assessed by Scottish Water and SEPA. Hydrogen would not be the only high water usage industry. There are many high water usage industries in Scotland, including breweries and distilleries, and hydrogen would be another one. We would need to ensure that we had the volume and the capacity to allow that. Anyone who required to use a great deal of water would have to engage with SEPA and Scottish Water on their plans before they could implement them, because their business case would depend on that water being available. They would need to assess whether they had the volumes that they needed before they put in a planning application associated with what they wanted to do.

In general, water scarcity is becoming a more pressing issue in Scotland. Last year, we had record water scarcity, and river levels were very low. That started a lot earlier in the year than is usually the case. SEPA issues licences for water abstraction from watercourses, and quite a number of people who would ordinarily apply for such licences, such as farmers, were told that they could not take water from watercourses over a period of several months.

Scottish Water monitors the volumes in its reservoirs. Until fairly recently—up until the past few months—Scottish Water’s reservoirs were back at their normal levels, except in Dundee. People think that “sunny Dundee” is just something that a Dundonian came up with for a laugh, but it is genuinely true—rainfall levels in the Dundee area are a lot lower than those in the rest of Scotland. That is why Scottish Water has implemented a household usage pilot in Dundee.

Given the more general concerns that exist, Scottish Water, SEPA and the Scottish Government are working together to produce water scarcity reports and assessments of where water is needed. Consideration needs to be given to the availability of water, whether to produce hydrogen or for anything else. For example, a lot of the beer that Brewdog makes is made in my constituency, which is where the company’s headquarters is. Brewdog had to engage with Scottish Water, because it wanted to expand and it required more water. At the same time, planning applications for new housing developments were going through the council.

An assessment is made at local level of what water is required in particular areas, and that would be the case in relation to hydrogen production.

More generally, your question gives me the opportunity to mention a hobby-horse of mine. We must start treating our water as a precious resource. The fact that it is rainy in Scotland does not mean that we have an abundance of water. We have the best water in the UK when it comes to water quality. However, the supply is not infinite, and we should not take its availability for granted. Scottish Water puts millions of pounds into upgrading its facilities to stop leakages and to bring down the emissions associated with processing our water, and SEPA constantly monitors our river sources and our watercourses.

If a hydrogen producer wanted to invest an awful lot of money in a way that involved counting on water coming from a particular watercourse, that would have to be bottomed out with SEPA well before it put in a planning application.

If someone is in danger of being told by SEPA in the months between April and September that they might not get a licence to take water, that is a pretty precarious position for their business to be in. A combination of all those things applies not just to hydrogen but to anyone who needs a water supply to run their business or housing development, or whatever it is.

I just want to say how much I welcome talking about all these issues with you, so I thank the committee for inviting me.

I will get that information—I do not have the tables with all those figures in front of me. We will produce information for the past few years—

I would have to look back at that. In my time as energy minister—Dr Allan then became the energy minister when I became cabinet secretary—I cannot recall calling in a decision that had been made by a local authority.

Every point that Fergus Ewing has just made I have absolute sympathy with. That is why we have asked NESO to do the strategic planning work that I mentioned in response to Maurice Golden. The assessment that it will undertake will give us that detail. It is all about energy security.

On constraint payments, I think that they are an absolute scandal, to be honest, and they are one of the reasons why we need to improve capacity in the grid. Why are we paying developers to stop generating? Most people in Scotland will find it absolutely unbelievable that that is the case. That energy—that electricity—has nowhere to go, and the grid upgrades will allow more of it to go into the grid and to be used.

There are also opportunities for more local offtakers to take that electricity, too, and the Scottish Government has been looking at heat networks—the work that Màiri McAllan is doing—and at the high-intensity industries that we are trying to encourage to come to Scotland, as part of the work that Kate Forbes is doing with the green industrial strategy.

The work that we have asked NESO to do will be absolutely fundamental to how we go forward. We need to ascertain where the energy security and resilience weak spots are and plan accordingly, and that very important work needs to be done to inform what we, in turn, will do. That future strategic spatial energy plan is, in effect, what we have commissioned NESO to do, and it will allow us to ascertain exactly where the weak spots are in the Scottish grid and in energy generation. We can then plan on that basis with the expert advice that it will supply us with.

SEPA is doing a bit of work on that at the moment. I was interested to see the petition come through, so I reached out to SEPA, which has a working group that is dedicated to pump storage hydro. It is exploring all the challenges that are associated with pump storage hydro and the interaction with watercourses and whether there would be loss or whatever. The group is also looking at the cumulative impacts and at the lack of formal co-ordination agreements for developers who are working on the same body of water. It is also looking at the impact of pump storage hydro on fish more generally, which includes the subject of the petition.

SEPA is developing guidance on the consideration of the cumulative impacts, and I believe that it will consult externally on that. I do not know whether it is doing that yet, but I can find out when it will. That will give the people who lodged the petition and people who are interested in the issue an opportunity to engage in the consultation and to provide their knowledge of the impacts that pump storage hydro is having.

I do not really have a view. I want to hear the views of those who will be making those decisions and the views of the communities. One of the reasons why we went out to consultation was that we felt that the 50MW threshold was getting out of date, because there are more substantial developments than previously and the level might be too low.

Even anecdotally, there are a variety of views. Some councillors do not want that responsibility; they want the level to stay as is. We will hear from those people, but we will also hear from the councillors and the communities who want local decisions to be made locally. I do not really want to dictate through a consultation—that is not what consultations are for. I do not want there to be one offer; I want to know what people think. Do they think that the threshold should be 100MW, 75MW or the same as it is now? Once we have heard those views, we can have a full discussion on what is appropriate.

Yes, that has been put to us. We said that we were going to consult on the issue, and I think that the time is right to do it.

That is one of the areas in which things could move with regard to community benefit. If a developer comes into an area and has a wind farm development, it could work with the community to share the grid connection for a community energy scheme. That could be a welcome offer for communities.

Substantial developments have been waiting for a long time to get a grid connection. The developers might be told that the development will be connected by a certain time, and then a review is done—as it has been recently—and they will be told that it will actually be five or 10 years beyond what they were originally told. That means that community energy schemes, which generate small amounts of energy, are all the way at the back of the queue.

There will be ways and means in the exercise that I hope we will be able to undertake once—this is wishful thinking—community benefit is made mandatory. That could be one of the opportunities for communities to get a benefit that is not so much about having money on the table—it would certainly not be about having football strips for local primary schools, as important as those are—but involves facilitating communities to have their own community energy scheme that has access to the grid via a shared connection. I think that communities would be excited about those opportunities, for the reasons that you described.

The draft energy strategy and just transition plan has been published, but there are a number of things that we need to bottom out as a result of Supreme Court judgments, particularly those relating to oil and gas licensing. Oil and gas licensing is reserved to the UK Government, but people expect us to take a view on it.

There is no shortage of other energy policy documents that set out our ambition on all sorts of energy. The draft energy strategy has been published for the public, and I have also produced onshore and offshore wind statements and a hydrogen strategy. A great number of policy documents have been published already.

I cannot give an answer to the question about when the final energy strategy will be published.