Company called Solyndra has invented circular photovoltaic panels. They are seems to be more efficient than traditional solar PV panels and they are easier and cheeper to install too.
We know that usually CIGS are not as efficient as photovoltaic systems based on silicon cells. But they are more and more popular, quite a few companies [...]

A lot of people think panel are like gadgets for their residences. That it is too expensive etc. But not too many are actually thinking that it can be a good investment.

Most of the time the real solar gadgets are useful only the fan, the lights, radio or small TV.
One solution is that people [...]