Short answer - almost all of it.

More detail. I find it more useful to think in terms of non-electronic vs. electronic. Even then I prefer to think of "grid" electronic (things like refrigerators) vs. small scale electronics (flashlights, cell phones, and GPS) which can be kept humming by very small solar arrays. The Holy Grail there will be a solar setup which is truly practical for backpacking or hiking. I have not found one yet.