[Bldg-sim] energy autarky buildings

[leen peeters]

Hi,

it is the off-the-grid version I'm looking at. I found a few of them, but
generally in a warm and sunny climate. So I want to see the
differences/feasability building it in a moderate to cold climate.

leen

On Fri, May 7, 2010 at 3:22 PM, Nick Caton <ncaton at smithboucher.com> wrote:

>  Hi Leen!
>
>
>
> I had to look this up on Wikipedia, so it’s my word of the day:  “*Autarky
> * is the quality of being self-sufficient.”
>
>
>
> There are many loose terms thrown around here in the states for
> “self-sufficient” buildings – these terms may help your search depending on
> what exactly you’re looking for:
>
> -          “net-zero” buildings – this may imply one of a few things add
> up to zero over time:
>
> o   Energy Consumption (sometimes isolated services – i.e. electricity but
> not gas)
>
> o   Carbon Emissions – see also “Carbon Neutral” in the context of the
> 2030 Challenge
>
> o   Cost – the cost of purchased energy is balanced by the sale of
> site-generated energy
>
> -          “zero-energy” buildings theoretically produce/harvest all
> energy on-site without needing to tie to a utility grid.  I’m not intimately
> familiar, but a number of zero-energy building design challenges exist in
> the academic world – you may find a lot of information from competition
> entries if that’s what you’re looking for and such information is archived
> somewhere.  Zero-energy may also refer to “source” energy (meaning the
> energy harvested/generated on site meets a higher bar of energy to include
> losses of transmission/generation), but I’ve yet to see that applied to a
> real project.
>
> -          “off-the-grid” buildings – similar to “zero-energy” but
> literally off the utility service grid.
>
>
>
> Because these are largely unregulated marketing/PR labels, any of the above
> interpretations may be “bent” to meet the needs of the moment.  For example,
> you may find a building may be claimed “zero-energy,” but in reality it only
> functions in that state for limited periods during the year when the wind
> blows.
>
>
>
> Sorry for not providing any specific examples, but cautioning that you
> carefully define what you mean by autarky buildings – lest you get swamped
> with information that isn’t what you’re looking for!
>
>
>
> ~Nick
>
>
>
> [image: cid:489575314 at 22072009-0ABB]**
>
> * *
>
> *NICK CATON, E.I.T.***
>
> PROJECT ENGINEER
>
> 25501 west valley parkway
>
> olathe ks 66061
>
> direct 913 344.0036
>
> fax 913 345.0617
>
> *Check out our new web-site @ *www.smithboucher.com* *
>
>
>
> *From:* bldg-sim-bounces at lists.onebuilding.org [mailto:
> bldg-sim-bounces at lists.onebuilding.org] *On Behalf Of *leen peeters
> *Sent:* Friday, May 07, 2010 2:33 PM
> *To:* bldg-sim at lists.onebuilding.org
> *Subject:* [Bldg-sim] energy autarky buildings
>
>
>
> Dear,
>
>
>
> I'm looking for examples and analyses (including LCA) of energy autarky
> buildings. As I want to see the differences in design as a function of the
> climate, the examples may be fom anywhere. There seems not to be that much
> of literature on the subject, so any nice reference is welcome too!
>
>
>
> Thanks already,
>
>
>
> Leen Peeters, Belgium
>
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