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You can do low(er) head pumped hydro storage [0] [0] https://en.wikipedia.org/wiki/Ludington_Pumped_Storage_Power_Plant https://en.wikipedia.org/wiki/Ludington

• notabotiswear 2mo ago
  Can't speak for Hungary specifically, but the problem with flat terrain wrt hydro storage isn't just elevation difference - which can be offset with flowrate - it's the large surface area to storage and to depth ratios. Large lake means more losses, mainly due to evaporation, but seepage is also to be expected. Now put this fact in the thread's context: water shortage/stress...
  • dofm 2mo ago
    > Now put this fact in the thread's context: water shortage/stress… But doesn't adding a large reservoir mitigate both? You're not pumping the entire reservoir up and down hill every day.
    • notabotiswear 2mo ago
      It depends on the water balance. Reservoirs would help you smooth out variability/seasonality and mitigate infrequent, short term droughts, depending on its size. They would not help with a long term drought or if you are water stressed (i.e. you simply don't have enough to meet demand). Quite the opposite, they may exasperate the issue as they consume (or lose) water themselves.
  • leonidasrup 2mo ago
    Hungary is very flat. "Most of the country has an elevation of less than 200 m. Although Hungary has several moderately high ranges of mountains, those reaching heights of 300 m or more cover less than 2% of the country." https://en.wikipedia.org/wiki/Geography_of_Hungary https://en.wikipedia.org/wiki/Geography_of_Hungary "Hydroelectricity is not prevalent in Hungary due to unsuitable geographical conditions and civil resentment. The country's capacity of hydroelectricity was 57 MWs in 2015." https://en.wikipedia.org/wiki/Hydroelectricity_in_Hungary https://en.wikipedia.org/wiki/Hydroelectricity_in_Hungary