[Talk-GB] Tools to support solar panel mapping?

Mon Jun 24 20:59:48 UTC 2019

I was thinking the same thing on the "hot-spots" functionality the other day. I've just added that now. There's now a layer chooser, allowing choice between "Comparison" (as before) and "FiT", which colours between the least and most installations according to the FiT register in that local authority.

I'll try to address the other points as I get time -- all good points.

Updated version should appear online over the next few minutes.

Regards,

Gregory

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On Jun 24 2019, at 7:52 pm, SK53 <sk53.osm at gmail.com> wrote:
A few other things:

  *
In practice we have relatively little mapped, so identifying 'hot-spot' LSOAs quickly would be very useful. I just had a browse around and found a few with around 50 FIT installations around the village of Selston (Ashfield District). I haven't got them all, but am pleased to have added 125 quickly.  I still only managed to find 32 in one LSOA when the fit installation count is 51: I suspect this is related to imagery date, rather than me missing obvious ones. The 50 installation threshold is a pretty high percentage of properties and represents good bang for buck.
  *
For the same reason sortable listings would be nice (also true on Robert's various pages).
  *
Cornwall has a large number (17k+), finding hotspots in a big county is very useful.
  *
From a QA viewpoint a count of location=roof or generator:location=roof might be useful as well. All the FIT installs are likely to be of this type.

Jerry

On Mon, 24 Jun 2019 at 19:41, Gregory Williams <gregory at gregorywilliams.me.uk<mailto:gregory at gregorywilliams.me.uk>> wrote:
Thanks Jerry. I've spotted the bug and am regenerating the output now.

Regards,

Gregory

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On Jun 24 2019, at 3:28 pm, SK53 <sk53.osm at gmail.com<mailto:sk53.osm at gmail.com>> wrote:
Hi Gregory,

I suspect this does not currently take account of roof-top solar power mapped as nodes. My last tally for Nottingham is a total of 4,385 solar PV generators (3,760 mapped as nodes, 625 as ways), compared with your total of 621. I added solar panels on 3 houses on Saturday (one with 2 .generators because they face in different directions). It would be massively helpful if nodes could be added.

In general it is much, much easier to map roof top solar as nodes, perhaps with an estimate of the number of modules in the panel(currently we use generator:solar:modules for this). Once one has one's eye in for a particular area and sets of imagery it's best to capture the data as quickly as possible. Mapping panels as areas is more complex, for relatively small gain. I did this for a single area initially, and now tend to do it in two cases: a) larger panels on schools, commercial buildings etc; and b) newly observed panels noticed as part of general surveying or just casually. The choice of which to do will depend on panel density in a neighbourhood, and whether buildings are already mapped.

Regards,

Jerry

On Sun, 23 Jun 2019 at 21:20, Gregory Williams <gregory at gregorywilliams.me.uk<mailto:gregory at gregorywilliams.me.uk>> wrote:
All,

I've also been working on a comparison tool for OSM solar mapping, as compared with the FiT register. I've just placed an initial version here:

http://osm.gregorywilliams.me.uk/solar<https://link.getmailspring.com/link/9144B288-8B95-41E3-89BB-5774019241EF@getmailspring.com/0?redirect=http%3A%2F%2Fosm.gregorywilliams.me.uk%2Fsolar&recipient=dGFsay1nYkBvcGVuc3RyZWV0bWFwLm9yZw%3D%3D>
My version compares at LLSOA level and then aggregates them up to their local authorities and the whole country. It's been pretty much inspired by Robert Whittaker and Greg RS's ever-useful comparison tools. It's functional, but still needs some polish. Known issues include:

  *
Currently updated manually. I currently hope to update every few days, and eventually daily;
  *
The tool differentiates between solar plants and generators, and avoids counting individual generators in a plant. Currently, though, it counts plants towards completeness, even though it's likely that these are solar farms in excess of the size used in the FiT register;
  *
Only the number of installations is used for comparison at present, not the electricity output;
  *
There are only maps on the local authority pages at the moment, not on the country summary page.

I aim to add some more functionality to the site over the next few days and weeks.

Regards,

Gregory

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On Jun 10 2019, at 8:37 pm, Dan S <danstowell+osm at gmail.com<mailto:danstowell%2Bosm at gmail.com>> wrote:
Hi all,

Following up on this thread about tools to support solar mapping -
just to say that thanks to Sylwia Mielnicka there's a map of
completeness-per-postcode-district:
https://bl.ocks.org/SylwiaOliwia2/cf0d679e81a7c8bfee8888189ec364bb
I think this is going to get set up to run daily updates or similar.
Discussion forum:
<http://openclimatefix.discourse.group/t/plot-solar-panels-not-added-to-osm-yet/56/3>

There's also a chance that we can get this at higher granularity (for
England and Wales) at least, by using LSOAs rather than postcode
districts. Another person has said they'll have a go at merging the
two granularities.

Best
Dan

Op do 23 mei 2019 om 08:57 schreef Dan S <danstowell+osm at gmail.com<mailto:danstowell%2Bosm at gmail.com>>:

Hi

Related to the idea of solar panel mapping, I've had a request for
info about what sort of software tools might help support this work.
We might be using some of the familiar tools (e.g. streetcomplete,
openinframap, ... even tasking manager?).

It'd be useful to have something like
completeness-by-postcode-district. Unlike Robert's postbox tools, we
don't have any official ID numbers for the items-to-map, we just have
some official stats (to be taken with a pinch of salt) about how many
are in each postcode district - but still, that could be a start.

I'd also be interested in some tool that predicts where to look, which
might be based on analysing imagery, but perhaps more realistically
based on some mix of heuristics and official data.

Any thoughts?

Best
Dan

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