SunPower Inc. (NASDAQ:SPWR) is among the 11 Most Undervalued Renewable Energy Stocks to Invest In. On March 13, SunPower Inc. (NASDAQ:SPWR) announced the successful completion of its integration of Sunder Energy. SunPower Chairman and CEO T. J. Rodgers noted that acquisition integrations often fail due to poor execution, which can lead to the loss of both talent and enterprise value. Rodgers explained that the company employs a structured acquisition process consisting of five stage-gates designed to ensu ...