Seems the average solar panel uses about 2/3 of a troy ounce of silver each. While estimates ( in the article ) seem to vary all over the place as to eventual use ( thin film technology, for example, doesn't use much ), all seem to agree over the last couple years, the use is up a LOT.
By Allen Sykora of Kitco News
(Kitco News) - The sun is adding some shine to the silver market. One of the growing industrial uses for silver is photovoltaic cells in solar panels as the world seeks alternative forms of energy, metal consultancies said. There has been a jump in such demand in recent years, and analysts said millions more ounces of silver may be consumed for this over the next decade.
“Solar panels will probably be one of the leading industrial uses,” said Jessica Cross, CEO of VM Group.
Rest of the article: