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Are you sure about this, John? – pumping …

Comment posted Water Resources (Scotland) Bill introduced – issues arising by Robert Wakeham.

Are you sure about this, John? – pumping & generating at the same time doesn’t seem to make any sense, and building a bigger dam seems highly improbable, as 10% of the reservoir replenishment comes from feeder canals tapping streams around the mountain – and they’d be too low if the dam was higher, whereas there doesn’t appear to be room to enlarge the reservoir by building a new dam significantly ‘downstream’ from the existing one.
It’s designed to sell power to the grid at times of peak demand, and replenish the reservoir by using cheap off-peak power to drive the turbines as pumps. Apparently it also provides an almost instant (2 minutes from standing, 30 seconds if spinning) emergency power supply to the grid to ‘kick start’ any other power stations in the event of a major shut-down preventing them from drawing the electricity from the grid that they would need to power-up again.

Robert Wakeham also commented

  • ‘since all modern stations use the pumped return system’ – if this is a suggestion that pumped storage is the order of the day, I’d be surprised because a good few recent hydro power projects seem to have been ‘run of the river’ which, by definition, can’t be pumped storage.

Recent comments by Robert Wakeham

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    MM – lies coming from Obama? – I seriously doubt it, perhaps you’ve got him confused with Trump?
  • ForArgyll on Pause
    ‘Shear arrogance'(sic) is over-egging it by a long way, Malcolm, and remember just how much vindictive sniping there was by people without the guts to identify themselves.
    I think that the For Argyll folk deserve great credit for tolerating all the garbage in the interests of free speech – I would have been sorely tempted to ‘out’ some of the more vicious commentators (and recommend they seek counselling on the state of their mental health, before they get into real trouble).
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    So, if I understand you correctly, different Calmac ships require different, mutually incompatible, linkspans.
    A polite response is ‘Oh dear’ but there are far less polite reactions that would surely be in order.
  • ForArgyll on Pause
    It’s Buckfast, not buck fast – and is named after a Benedictine abbey (also known locally in South Devon as ‘Fast Buck Abbey’).
  • New Transport Minister humiliates CalMac MD
    If a second ship was added to the Craignure route because the Isle of Mull couldn’t cope with the traffic, it’ll be interesting to see what happens when she’s on her own again.

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