I've just been made aware of the MapYourGrid initiative to map electrical grids around the world, especially in the global south, to provide better data for energy planners.
They have resources teaching you how to map the grid using JOSM and an active discord. Very cool!
mapyourgrid.org
mapyourgrid.org
MapYourGrid
We empower individuals, communities and nations around the world to map the electrical grid.