izentrop wrote:I come back to the tools available.
PVGIS gives the photovoltaic potential at a given location, regardless of cloud cover.
I very much doubt it year round.
PVGIS does not give "instantaneous values" which obviously depend on the unpredictable cloudy and/or rainy hazard.
Considering all the bastringue and energy-consuming equipment on board, I think that a generator would not be superfluous in his bus.
There are hybrid inverters that manage all this (with 2 electro Gp sources / PV panels to batteries)