What Is A Photovoltaic Cell

<p><img alt="solar cells" style="float:left;margin-right:10px;" class="alignleft" width="250" src="http://jisibhlphysics.wikispaces.com/file/view/solar-cell_p-n.jpg/66171282/solar-cell_p-n.jpg" />Grid parity , the purpose at which photovoltaic electricity is the same as or cheaper than grid powe</p>