about £950
a photovoltalic panals can
cost of the solarpanals per 1KVA
the solar panals
On March 10, 2009 two solar water heating systems were installed on the roof of the White House.
giant solar panals
they by attracting the suns beams of light and using these beams of light for energy
For Home, on the top of the house .because the solar panels need direct exposure to sun.so the panels are installed where there will be direct sun exposure
soaler panales are flat objects that suck in the sun waves and turn it in to electrisit.
The panals store energy and save it as a backup if their is no sun.
They are usually installed on the roof of the house so that they can collect maximun solar rays to power the house. Some people even have some beside thir home that moves where the sun does to get the most out of it.
Jimmy Carter was first to have solar panels put on the roof. Then Ronald Reagan had them removed in order to repair the roof and they were not put back. George W, Bush had new solar panels installed elsewhere to heat a maintenance building and the swimming pool . Obama's secretary of energy announced that solar panels would be put on the White House roof to heat water there.