I am sure you can harness.., just based on current level of technology (reported anyways, not sure if there are any suppressed tech), ..

the storage and conversion capacity is insufficient for large output electrical devices. Smaller devices such mobile-phone charger and

water-heater can be applicable.

Been thinking of getting myself a solar cell for small gadgets.

yah smaller can but talking abt large scale for the country kind, not good enuf