here anyway, the networks are more than happy to show an area map and generally they don't change. as the resident can choose just about any of the energy companies however, that would take a bit of asking around. i've never tried asking companies so perhaps they would give the data out, otherwise it would have to be surveys. voltage and current is usually country wide or in a rather close range? (imagine the difficulty supplying electrical products to consumers otherwise). i'm a little less sure about earthing systems.

On 08/31/18 10:23, [email protected] wrote:
I'm asking myself, how is all the (quite specific) data verifiable on the 
ground? Furthermore, don't you need expert knowledge for some things mentioned, 
eg. earthing system,  but also the more straight forward things like voltages 
and especially currents - who is able to identify the correct fuses for that?

Why do you want to tag these properties? To my opinion, no one needs to justify 
tags regarding to usefulness, I'm just curios.

Gesendet: Freitag, 31. August 2018 um 10:17 Uhr
Von: seirra <[email protected]>
An: [email protected]
Betreff: Re: [Tagging] Tagging suggestions for electricity

yeah that is what i meant. i think they buy it from the network which
serves as a 'middleman' to the generators, because the prices for the
same company and tariff vary depending what network you are in over
here. so presumably they pick and choose their power sources, and then
the network charges them a fee to use them over that network.


On 08/31/18 08:57, Warin wrote:
Here there is the company that I buy my electricity from. They buy it
from the distribution network that I am connected to.
So I can have a choice of who I buy from .. but my network does not
change.
I am not certain if these firms buy it directly from the network .. or
some other body that then sees to the network and the power generators
as separate things.

On 31/08/18 17:43, seirra wrote:
just something to mention about distribution companies here anyway,
we have the network, then we have the company? so for example my
network is UK power network, but my company is utilita? however in
other areas (still in the uk) they would have a different network
altogether


On 08/31/18 05:47, Dolly Andriatsiferana wrote:
     I think this would be hard to maintain, and highly redundant
     since voltage won't change for a given city or even country.
     Think about standards names to fill utilities:electricity.
     Each standard comes with frequency, voltage, rating...


Yes, I agree that in most cases voltage doesn't change much for a
given city. But something that will change frequently is the source
(here in Madagascar mostly from a distribution company, a generator,
or individual solar panels).
And maybe another good idea is to omit those voltage and possibly
redundant details, and put sources directly as values on the main
tag (like how most of the few existing electricity=* tags seem to be
used). So we would have something like:

   * utility:electricity=yes - there is electricity feeding the
     building but the source is not defined
   * utility:electricity=no - there is no electricity source at all
   * utility:electricity=generator/company/solar/windmill... - there
     is electricity and the source is known

Thanks.

2018-08-31 1:47 GMT+03:00 Warin <[email protected]
<mailto:[email protected]>>:

     On 31/08/18 05:20, François Lacombe wrote:
     Le jeu. 30 août 2018 à 19:12, Dolly Andriatsiferana
     <[email protected] <mailto:[email protected]>> a
     écrit :

         I like the idea of keeping a namespace gathering utilities
         such as electricity, gas, internet or other. But the idea
         is also to be able to use a namespace for the utility to
         provide more details (source, voltage, fee...) or
         conditions (if there's schedule in availability) - and with
         *utility:electricity* this would easily generate a complex
         tagging of namespace under namespace, unless you say it is
         no problem to have *utility:electricity:voltage=** for example.


     I think this would be hard to maintain, and highly redundant
     since voltage won't change for a given city or even country.
     Most hoses in Australia have 240 v single phase supplied to
     them. Then they have 'standard' (here) GPOs of 10 Amp capacity.
     Some have one or more higher 15 Amp capacity outlets.
     And then there are some houses that have 3 phase 415v supplied
     to them - and they have 'standard' (here) GPOs of 10 Amp
     capacity, possibly one or more 15 Amp capacity outlets and one
     or more 3 phase outlets.

     So here you have in one neighbourhood 3 different instances of
     electricity presence in houses.


     Agreed with Paul statement about earthing system which is
     specific to each building
     Earthing systems are usually mandated and common to some
     bureaucratic boundaries.

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