Per day by the numbers.
2x fans- 200x24hours=4800 watts
2x bulbs- 200x18hours=3600 watts
8x bulbs- 800x.5hours=400 watts
24 hours of consumption= 8800 watts (which I would call 10,000 watts minimum with system losses)
You need to generate that in 2.5 hours of sun so 10,000/2.5= 4000 watts of...