First Solar also saw a 66% jump in profit to US$2.1 billion for the full year.
In the fourth quarter, which ended 26 December, the solar firm had US$641 million in net sales, up 48%, and net income of US$142m, up almost 7%.
For 2010, First Solar expects net sales of US$2.7-2.9bn.
The First Solar share price opened on 18 February at US$125.63. It first fell down to US$124.05 before it rose to end at US$126.29. For more info, visit our Finance Content.