ABB (ABBN.Y 0.63%) is spending $1 billion to buy Power-One (NASDAQ: PWER), a major player in solar inverters. This is the latest move by a large energy company to buy into solar following Total (TTE 1.39%) and General Electric (GE 1.30%). Will we see more solar buyouts? Erin Miller sat down with Fool contributor Travis Hoium to find out.