Which 3D terrain data is used?

EnergyPlanner consists of a combination of open source data and Cesium world terrain. The resolution is depending on the location in the world:

> England: ~1-2 m
> Australia (populated areas and coasts): 5 m
> New Zealand: 5 m
> USA West Coast: 0,5 m
> USA: 1 – 30 meters
> Europe: 30 meters
> Approx. -60 to 60 degrees latitude: 30 – 90 m