Meanwhile in Germany:

  • ChaoticNeutralCzech
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    1 year ago

    I know. It never generates more than it consumes so it has negative production overall. Or is this a real-time chart despite saying “past 12 months”?

    • @Opafi@feddit.de
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      11 year ago

      I think the idea is that it only uses excess energy that would otherwise be wasted to fill it, so it kind of generates energy as it’s essentially filled for free.

      • ChaoticNeutralCzech
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        11 year ago

        Yes, I know. Still, misleading: they show up negative in these power generation charts most of the time and this is supposed to be a cumulative one.

      • ChaoticNeutralCzech
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        1 year ago

        Yes, they are part of the water cycle, sometimes collecting water from a significant area, but usually not. This is the upper reservoir of our largest hydro storage plant:

        Dlouhé Stráně
        Rain is only collected over the area of the reservoir, and it would only fill up a few centimeters on a rainy day. In fact, the water evaporates quicker than that so a lake would never naturally form in this location.

        • @calcopiritus@lemmy.world
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          11 year ago

          Are all hydro storage like that though? It doesn’t seem too outlandish to think of a hydro storage plant that is also fed by a river

          • @Ummdustry@sh.itjust.works
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            11 year ago

            I mean, at that point you would just call it a hydro power plant. Pretty much all hydropower doubles as storage due it’s flexibility, but typically don’t bother pumping water back up as it’s a waste of energy (as opposed to waiting for the river to do it’s work)