To build with Python (note: takes several days): pip install git+https://github.com/opensiteenergy/openlibrary.git openlibrary https://data.opensite.energy/dataset/eb94b1c5-ef85-4e9a-9fd9-7b8ed84980c5/resource/4956bb0a-7fd8-4f3c-bbd1-a8cb39f12e04/download/solar-slope-too-steep-uk.yml