Yes, I've seen exactly such signage on a number of charging stations in
my area. I did consider the generator:source-type tagging as well, and
pretty much took the possible values from there (plus adding the general
'renewable' tag), however this is something that many different types of
amenities advertise, like camp_sites, farms, harbours, etc. Therefore,
my question is if it would be reasonable to also use as a tag for, e.g.
buildings that are available to the public and use lighting from
renewable sources.
Furthermore, there doesn't yet seem to be a great standard for mapping
when electricity is available to the public - at least, I couldn't find
appropriate tags via the camp_site wikipages. Closest seems to be
power_supply <https://wiki.openstreetmap.org/wiki/Key:power_supply>
(still in draft mode, but used some), however this seems to be meant
more for individual sockets and it wouldn't fit well with tagging
buildings that are simply powered by a specific type of energy. Also,
the tag 'electricity' is being used to map if buildings are on- or
off-grid (see also geographical distribution of the tags), so
electricity:source might fit a bit better than power_supply:source,
however both tags are not actually approved yet.
Perhaps we should try to combine the electricity draft and the
electricity:source draft to finally be able to map publically
used/available electricity? This seems to be, overall, a feature sorely
lacking in OSM even though most people use it every day. I think it
would be important to clarify which terminology is officially in use.
[Perhaps make electricity have the possible values grid or generator,
and then use the tags generator:source and grid:source to further
specify? This might be a problem for electricity=yes ->
yes:source=renewable doesn't make sense, but it might not be possible
for the mapper to verify if there is clear signage of '100% renwable
energy' but the source is not clear ]
On 30/09/2020 09:24, Jez Nicholson wrote:
For questions on ground-truth, the proposal page
https://wiki.openstreetmap.org/wiki/Proposed_features/electricity:source
<https://wiki.openstreetmap.org/wiki/Proposed_features/electricity:source>
cites examples such as the e-bike charging station with its own solar
panels supplying the electricity
https://wiki.openstreetmap.org/wiki/File:Solar-Stromtankstelle_in_Allentsteig.jpg
<https://wiki.openstreetmap.org/wiki/File:Solar-Stromtankstelle_in_Allentsteig.jpg>
Admittedly, a charging station could be supplied by electricity from a
green energy company that only uses renewable energy. In which case,
there may well be signage on the station.
Lukas, did you consider charging_station:source ? to be similar to
other power tags (power:generator + generator:source=solar,
power:plant = plant:source=solar)?
On Tue, Sep 29, 2020 at 9:30 PM Lukas Richert <[email protected]
<mailto:[email protected]>> wrote:
Hi Colin,
I agree that while a few suppliers source all of their electricity
from renewable sources, most simply add a surcharge which is used
to fund the growth of renewable energy infrastructure and price
the electricity as if it were coming from solely renewable energy
sources. I'm working on an article for Wikipedia that will explain
green pricing tariffs in detail as this seems to be lacking in
English.
Arguing if the definiton of 'green electricity' is actually
'green' is not the point, this is already a term that is
explicitly advertised at the charging stations or camp sites (see
images in proposal) and also something that consumers look for as
they want to fund renewable energies in the hope that all grid
energy will be completely 'renewable' in future. While this
obviously won't be for at least 15-50 years depending on who you
ask, I think it is a worthwhile attribute to map as some people
are conscious of what types of electricity generation they wish to
support.
Best, Lukas
On 29/09/2020 16:56, Colin Smale wrote:
Hi Lukas,
You do realise that all electricity is the same, irrespective of
how it is generated? The "greenness" or otherwise is not
determined by the connection, but by the subscription/contract
that the consumer has with their supplier.
UNLESS they have a standalone generating capability, like PV or
wind turbine that is not connected to the grid.
On 2020-09-29 16:00, Lukas Richert wrote:
Hi,
I'd like to propose a new tag that defines the source of
publicly available electricity: electricity:source
<https://wiki.openstreetmap.org/wiki/Proposed_features/electricity:source>
This could be used as an additional information tag on amenities
that provide electricity for public consumption, such as
bike/car charging stations or camp sites. Many charging stations
have nearby solar or use green pricing tariffs. I've also seen
camp sites and harbours advertise this.
This topic came up as a group wanted to plan a bike tour using
e-bikes but only with renewable energy. I noticed that there
appears to be no easy way to filter for the source of the
electricity provided.
Potential discussion: It's not quite clear to me whether
power_supply or electricity is preferred for this type of
application. It might also be interesting for consumers to see
which buildings are powered by green electricity if this is
something a store or similar advertises. So it may be worth
expanding the proposal to electricity used by the public even if
not directly available (e.g. lighting in a store).
Best regards,
Lukas
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