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View Diary: Two thirds of global solar PV has been installed in the last 2.5 years! (108 comments)

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  •  Yes there are batteries . (2+ / 0-)
    Recommended by:
    LinSea, pucklady
    Just wondering - are there any batteries out there so that I can charge my batteries and get off the grid at night, too?
    You really should have a "house bank" of batteries for when the power to your house goes out , imho . You don't need a house bank big enough to run everything all night , maybe just big enough to get by on with the bare minimum .

    Doing the grid sell and buy back is very good
    and adding a little battery back up is very very good .

    You will have solar , the grid and batteries .

    The standard you walk past is the standard you accept. David Morrison

    by indycam on Thu Aug 15, 2013 at 05:15:43 PM PDT

    [ Parent ]

    •  Thank you (0+ / 0-)

      For the first pass, I'm going to use the "deposit with the power company then draw down after dark" plan.

      But in time, I'm definitely going to look into batteries. I don't want to depend on the power company for my nighttime needs. Power goes off often enough that I don't trust them.

    •  Thanks for this. We have a two-panel solar array (6+ / 0-)

      running our school fish pond recirulating pump (a bilge pump). I was thinking of next year getting some money to add another panel or two and getting a battery to run the pump 24/7 to have a nice flow for a biological filter. It's phenomenal how this keeps the water clear.

      "They come, they come To build a wall between us We know they won't win."--Crowded House, "Don't Dream It's Over."

      by Wildthumb on Sat Aug 17, 2013 at 08:19:34 PM PDT

      [ Parent ]

    •  The reason you don't want (3+ / 0-)
      Recommended by:
      Cat4everrr, nzanne, Calamity Jean

      to go crazy on the batteries is that while installed solar systems have dropped in price from $8/Watt to under $3/W, batteries and their controllers are still relatively very expensive. In other words, not only the grid but many other technologies beat batteries as well.

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