The Gross Margin of Principal Solar Inc (PSWW) is 43.27%.
Gross Margin represents the percentage of revenue that exceeds the cost of goods sold. It reflects a company's efficiency in producing and selling its products.
| Date | Value |
|---|---|
| 2014-12-31 | 43.27% |
| 2013-12-31 | 35.93% |
| 2012-12-31 | -110.67% |
| 2011-12-31 | 1.98% |