Solar voltaic cells can be installed nearly anywhere.The primary problem today is that they are still relatively expensive.Prices must be lowered in order for them to gain widespread acceptance.

• 太阳能电池几乎可装在任何地方，唯一的问题是价格还是相对昂贵，惟有当价格更有竞争力时，太阳能应用才能普及。