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View Diary: UPDATE x3: LED Lightbulbs Finally Ready for Prime Time! (282 comments)

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  •  7 KW (2+ / 0-)
    Recommended by:
    Roadbed Guy, Ender

    Isn't going to make most people grid neutral outside of California.  It will run your lights, but not much else.  Heating and cooling require a lot more energy.  Not to mention that that 7KW will set you back $7,000 just for the panels, and then you need another $3,000 worth of batteries and $1000 worth of miscellaneous inverters, controllers, and various electrical hodge-podge.  And then the electric company will continue to charge you for being connected up to the point where you go completely off-grid and independent (and in some places, may manage to make that illegal if you were previously connected).

    Costs of capital are going to continue being a problem, considering the economic situation and the financial situations of the vast majority of Americans.  Cheap solar is wonderful, but the migration isn't going to come overnight.

    •  Yes, you need 3 or 4x more than that (0+ / 0-)

      plus the biggest cost is not the gadgets per se, but their installation at least onto an existing house - you know, to install them onto the roof by competent professionals in a way that won't render the roof leaky, etc - for me that would have been in at least $15.

      Over 20 years or so, it's a good investment nonetheless.  But in the here and now it can be tricky coming up with the cash/financing  . . .  .

    •  your data is wrong. (0+ / 0-)

      The average american house needs 7KW of solar to hit grid neutral.

      I never said you want to go offgrid, merely that going grid neutral is destroying the business model of many utiltities.

      BTW, your cost breakdown is wrong.

      The business model from a utility isn't selling grid connect, it's selling electricity.  If your spinning your meter backwards, they aren't selling you power.

      They need to evolve to a grid connect model fast and they
      face real problems because they have a lot of capital costs,
      and they face real challenges.

      As Vehicle to Home technology improves and it's coming fast,
      people don't need big battery and generators, they may just plug their car in, and use that for their small power needs at night.

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