As I remember from the times we did solar installs in Tanzania, 8-10% is about right for PV in real life. It's the 20+% figures look like creative accounting.

▲

kragen a year ago | parent [-]

It varies a lot by geography. 10% is right for Germany and the Netherlands. Tanzania is pretty cloudy, isn't it? Almost half rain forest and moist forest? Though I'd've expected you'd put the solar farms on the savannah.

	▲	lstodd a year ago \| parent [-]
		No, it was savannah in the middle of nowhere and mostly dry and sunny.