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View Diary: This graph shows why solar power will take over the world (377 comments)

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  •  Yes, they are rare (0+ / 0-)

    but they do happen. There was a stretch of about 3 or 4 days over the summer when there was very little air movement, we had a high pressure system just parked over most of the US. And you can't just say you'll tolerate a several day black/brownout once a year, twice a year, or even once every 5 years, because people suffer and die due to power loss events.

    If the climate patterns shift due to global warming, this may become more of an issue because of changes in the Arctic Oscillation.

    In any case, you have to decide what level of risk you can tolerate, kind of like how places plan for 1 in 1000 year storms when they build levees and such. Also, just to be clear, that study you linked to invoked massive storage technology that presently does not exist.

    •  when i was a kid in chicago (0+ / 0-)

      we would occasionally have a blizzard that would
      freeze the lake over and freeze the coal piles.

      the only thing we had was nuclear power from
      Quad Cities and Zion, so they would issue an electrical
      emergency, close the schools, ask Industry to reduce
      have people stay home.

      In DC in 94, we had a big blizzard, people lost
      power, water, even Natural gas.

      My CPA was one of those people using sterno cans to heat
      some tea for 3 days, and he had a bathtub full of water
      to flush the toilets

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