Thank you all for your helpful inputs. - those who use individual power source for the building > (generator/windmill/solar panel...) > There are a few methods in the data base. I looked in taginfo for the > value solar; > the dominate one with over 160,000 uses is generator:source=solar > Of course this would need to be combined wit the tag power=generator. > This is an existing tag .. I see no limit on the size of the power > generation so small should be fine. >
> - those who have no electricity at all > If it has none of the above tags ... then it may have no electricity. > Could be the default state for rural Africa. > Adding the tag power=no maybe an idea? > There is a little use of things like power_source=no, power_supply=no. > As already stated above: > power=* key is intended for infrastructure related power producing, > transmitting or distributing the power. > power_supply=* is here to map places where you can find power for > different purposes (like water taps for water if I can make such a link) both of power and power_supply already have their specific domains and aren't applicable to individual buildings. So for now we have: What about *utilities:electricity=yes* > *electricity:connected=yes/no* > wouldn't it be much simpler just to say this house / building has power > connected / available: *electricity = yes / no*? To make it simple, for our ongoing mapping project we're going to use the *electricity=yes/no/grid/solar/generator/whatever_the_source_is* system and omit any specific detail such as standard, current or grounding system to avoid possible conflicting tagging with other electricity-related tags (power, power_supply...). It's only very general and this way will be more coherent to almost of the ~ 400 current use of the tag. All the best.
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