The company produced 297MW and had sales of $494.1m, up 9.5% from the year-earlier period, not including $86.2m of revenue from utility power plant construction. But gross margin of 9.2% was down from 19.6% and SunPower recorded a net loss of $74.5m, against a loss of $2.1m in the first quarter of 2011.

SunPower lost $0.67 per share in the first quarter, compared to $0.02