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Liquids can be compressed and can therefore store energy. . But the easiest way is to use height of liquid. As a diver you will be familiar with pressure rising by 1 bar per 10 m of water.

.. you of course forgetting tower bridge which has an ingenious hydraulic system.

In my opinion the answer is yes. There are locations where pumped storage is a good solution. Like all civil engineering structures, it is expensive and durable. Remember in the 1870s , options were more limited.

Yep but there are plenty of newer technologies .. carbon and glass fibre for tension and dense materials for the peripheral structure.

There is a lot of angular momentum in the blades themselves, there is also, as Woosh has said , no particular reason why storage needs to be located at the production site. With a national grid anywhere is local. In fact there is good reason to place storage and regeneration close to end users...

Yes of course not , the advantages are that the flywheels would be static, could be placed underground in one of the disused petrol tanks , for added safety, in case of flywheel disintegration.

.. There was an interesting statement yesterday by the Irish republics leader regarding the status of a border between the two parts of Ireland. You will be aware that this is one of the 4 main items to be agreed before there can be any discussion of post Brexit deals. In essence Leo said, we...

.. yep and he wasn't even a failed painter...

... Yes , makes sense. That is the kind of thing a mechanical flywheel based storage could offer and likely be the optimum solution. A DC generator linked to a flywheel could deliver the large current needed for charging and be replenished by a lower power AC supply. .. very old technology...

... was the UK being listened to 60/500 of the time? If so no gripe. If not re-evaluate your choice of representative.

.... But Salvador Dali is already dead!!!

I am not going to comment on the UK electricity market, .. it may operate with different rules to the all Ireland energy market, which is now in jeopardy, as a consequence of Brexit. The only figures I am taking at face value are the monthly production figures in megawatt hours. I am assuming...

Actually I read everything that Woosh posts with respect... Not necessarily agreement but with respect. The case for Brexit has long been put , mostly ably by Woosh who has been even more of an optimist than I. His major contention is that Brexit was about autonomy and a British sense of...

Funny I have often been accused of being gullible or naive , usually be students who attempted to blind me with excuses ... Maybe I am, sure if I was would not I be the last to know? But back to the case in point. Wind power at a hub height of 100m is considerably different than at even 25 m...

Transformers!!!

I don't know how the UK energy market is structured,it may be similar to the all Ireland market, with which I have a little knowledge. So I cannot comment.

Zatlan, you are entitled to dislike a fact, but you cannot disagree with one. Please advise where my fact was wrong or withdraw . Does the website you referred to not include a monthly total of energy output listed by month and would simple addition not tell you the amount of energy over a...

.. you don't have to do any calculation other than addition. Their website gives the audited energy output each month.

Perhaps you should look at capacity factor again. The turbine field has a faceplate power rating of 29.7megaw., meaning that this is the highest power it can produce before feathering all. 9 of 3.3MW peak turbines. The total potential capacity per annum would be 8700 X 29.7 MWhr The total...

.. an interesting story, but unless your sailboards have 100m masts , slightly irrelevant. The windfarm you have derided , has a faceplate power output of 30MegaW, and in its operation to date, which would have included a bedding in phase, since it was only commissioned a year ago has averaged...