Returning to profitability (US$11.8 million) in the first quarter of 2010 was only one aspect in a busy quarter for ReneSola. Revenue of US$206.6 million was reached on record quarterly shipments of 242.4MW (12.6% growth QoQ), both exceeding previous guidance. ReneSola now expects total solar product shipments of 1.0GW to 1.1GW, up from the previous total solar product shipment estimate of 900MW to 950MW. Average cell conversion efficiency rates on monocrystalline and multicrystalline wafers reached 17.4% and 16%, respectively, up from 16% and 15%, respectively. The average amount of power per watt generated by each wafer has increased 5% to 8%, according to the company.