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Downloads

Last updated: Jan 2026

Webmap

View our latest maps in our webmap browser.

Datasets

Our spatial datasets can be downloaded from our Releases directory. These include:

  • Shotover_country_building_stats-0.0.1.gpkg
  • Buildings in Shotover County, with annual solar potential
  • Shotover_country_building_stats-0.0.1.csv
  • Just the attributes, in CSV format
  • shotover_country_merged-0.0.1.zip spatial diff and vrt.
  • 1x1 meter grid showing solar potential of each grid

You can download the maps, and then view and analyse from your favourite desktop GIS application. We like the free and powerful QGIS.

Software

Our latest software can be downloaded from our git repository:

https://github.com/rewiring-nz/solar-estimates

A tagged software release is on our roadmap.

Version history

Date Version Description
2026-01-30 0.0.1 Proof of concept.
Provides map layers for annual solar potential for: 1. Rooftops. 2. 1x1m grid.
Considers rooftop slope and direction.
Shading calculated from 1x1 grid Digital Surface Model, considers distant mountains and local (trees).
Estimates used for other parameters, such as weather.
Pipeline script runs in docker.
Region limited to a small suburb in Shotover County, New Zealand.

Roadmap

In upcoming releases, we plan to:

  • Expand our analysis area to all of New Zealand.
  • Incrementally replace assumptions with deeper analysis, and more data, as listed in tasks in our project kanban board.