[xkcd] Physics will make you rich!

Is it true that you can get 4kwh per day per square meter? My average electricity consumption is ~15kwh/day, so if I can potentially offset most of my grid usage with just 4 square meters of solar panel, that seems very attractive. I live in a tropical country btw.

Build a Dyson Sphere and make $188 septillion/year

And if you follow, there may be a tomorrow

But if the offer's shunned, you might as well be installing solar panels on the sun