[Tagging] Feature Proposal - RFC - electricity=*

[Lukas Richert]

Hi François,

I do actually like the word input for generator and have been thinking 
that 'battery:origin' makes no sense either to specify the type of 
origin. Keys such as 'electricity:grid:origin=*', 
'electricity:generator:input=*', and 'electricity:battery:type=*' would 
be more distinct and would separate them. My only problem with that is 
that the wikipage would probably need a flowchart to explain the tagging 
:/ What do you think?

Regards, Lukas

On 14.11.20 20:07, François Lacombe wrote:
> Thank you Lukas for answers
>
> Le sam. 14 nov. 2020 à 17:56, Lukas Richert <lrichert at posteo.de 
> <mailto:lrichert at posteo.de>> a écrit :
>
>     Hi François,
>
>     the combination of electricity:grid=yes with either
>     electricity:origin=* or electricity:grid:origin=* would point to
>     the origin being only about financial flows as advertised
>     on-the-ground.
>
> Agree with that.
> electricity:grid:origin isn't part of the proposal, will we have to 
> approve it?
>
>     For the purpose of filtering out amenities, e.g. charging
>     stations, that only use 'green' electricity it is still useful to
>     tag electricity:origin=* or electricity:generator:origin=* in
>     combination with electricity:generator=yes.
>
> Don't agree with that :)
> This filtering won't be accurate at all and will encourage people to 
> think claimed origin through a power grid is equivalent to certainty 
> of locally obtained electricity (which isn't)
> I'm clearly against any association between a generator device and 
> 'origin' word. electricity:origin should relate to grid/market only 
> and remain a claim with no physical reality.
>
>     Alternatively, there would need to be a tagged relation to the
>     specific generator and the end users it supplies which would be
>     considerably harder to query and many OSM editers seem to find
>     relations confusing. Therefore, I think the slight bit of
>     redundancy is useful to explicitly tag this on the amenity.
>
> Understood, that would enable to check consistency as well.
>
>     Furthermore, the word 'origin' is used, not only to avoid two tags
>     with very similar meanings that can be easily distinguished by
>     combination with the infrastructure tag
>
> I respectfully disagree, they don't have a similar meaning in many 
> situations.
> Merging both in a single key will only be accurate when the claim is 
> equivalent to local production which isn't necessary: you buy solar 
> energy and backup with diesel more often than backup with solar.
>
>     , but also since 'electricity:source' would then have a double
>     meaning with 'the survey/map/place where the knowledge of the
>     electricity was obtained', which is apparently a problem for some
>     other tags using source as a keyword.
>
> i'm currently thinking about refine generator:* subkeys and it's sure 
> this discussion will be really inspiring.
> Indeed source should be avoided and I keep that in mind.
> In power context "source" refers to inputs and as we already have 
> generator:output, why shouldn't we have generator:input?
> generator:input=wind
> input:wind=X kW
> output:electricity= Y kW
>
> All the best
>
> François
>
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