SunPower (Nasdaq: SPWR) announced it will acquire Utah-based Sunder Energy, the 11th-largest U.S. solar company by installed megawatts, in a transaction valued at $40 million in cash plus 10 million shares of stock. The deal, set to close this week pending shareholder approval, marks a major expansion for SunPower, which will nearly double its operational footprint from 22 to 45 states and add significant sales capacity. Sunder, which primarily operates under the third-party ownership (TPO) model, is fore ...