The company reported sales of $595.9m – excluding $54.8m from its power plant construction business – essentially flat from the same quarter a year ago, on 257MW of PV production, up from 205MW. Gross margin increased to 12.3% from 3.3% a year earlier and 9.2% in the first quarter.

California-based SunPower also joined the residential solar leasing party with a $325m financing commitment from Citi and Credit Suisse.

The