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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.

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    • CommentAuthorgyrogear
    • CommentTimeDec 28th 2019 edited
    Posted By: tonyI have yet to a smart meter that can do anything smart like switching things on or off

    [presumably the missing verb is "see" ?]

    The french ''linky'' so-called 'smart' meter is actually referred to by the national energy distributor installing them (enedis, a wholly-owned subsidiary of EDF...) as a data collector (''capteur de données'').

    Its sole aim is to remote-control the user installation, and, accessorily, provide remote metering.

    The CEO of enedis proudly describes his outfit is a "a big-data player":
    https://www.youtube.com/watch?v=VXtPsC4ZKH0 (cue 8").

    linky contains a circuit breaker which is therefore upstream of the house main CB, thus the remote operator can shut down or start up all or part of the user installation without having any knowledge of the local conditions (with all the danger that that represents).
    The control module offers seven main targets:
    hot water / electric heating / heat pumps / aircon / electric vehicle charging &/or battery banks; PV injection.

    So as borpin says, these things can force a local PV install to shut up if the grid is getting saturated...

    • CommentAuthorPugliese
    • CommentTimeJan 3rd 2020
    On the back of this discussion, what do the collective think of Hycube solar energy storage system?

    • CommentAuthortony
    • CommentTimeJan 4th 2020
    Nets an increase in energy use, allows rich people to pay less money than poor people for the same energy used
    • CommentTimeJan 4th 2020
    Posted By: tonyallows rich people to pay less money than poor people for the same energy used

    I sympathise with the feeling, but it isn't actually true is it? Because the capital cost of the battery outweighs the ongoing cost of electricity, even at daytime rates. What it actually does is allow rich people to further subsidise poor people by reducing the overall energy cost by reducing necessary peak generation capacity.
    • CommentAuthorgyrogear
    • CommentTimeJan 4th 2020 edited
    Cannot see how it reduces energy-usage.

    Also, by all accounts, battery-making sounds like a pretty filthy process.
    Not to mention having to dig up large areas of the planet (Siberia, S. Korea, Japan...) to find cadmium.
    Into the bargain, this unit also employs a seemingly new element called cadamium - no doubt THAT comes from Canadia...

    • CommentAuthorjms452
    • CommentTimeJan 6th 2020 edited
    Posted By: gyrogearNot to mention having to dig up large areas of the planet (Siberia, S. Korea, Japan...) to find cadmium.
    Into the bargain,

    Which modern batteries use contain cadmium?
    • CommentAuthorMike1
    • CommentTimeJan 8th 2020 edited
    <blockquote><cite>Posted By: jms452</cite>

    Which modern batteries use contain cadmium?</blockquote>

    Perhaps Cobolt was intended - that certainly comes with problems https://phys.org/news/2018-09-scientists-reveal-hidden-cobalt-dr.html
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