Quote - Alternative energies are very limited.

Solar energies only work with Sun, at night there is no Sun and Sun is not always available all the time or in all the places.

What about satellites?

 

cost. not really practical until we can build a space tether or develop a cheap launcher system.

a Sat system, you really want to be at the Lagrange points for simplicity, it's going to be huge in size, (tho, the collector can be very lightweight/low mass, we're still talking bulk), then there's getting the power down.

and thats just one Sat....

Airport security is a burden we must all shoulder. Do your part, and please grope yourself in advance.