ABB (ABBN.Y -1.45%) 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 -1.17%) and General Electric (GE 0.99%). Will we see more solar buyouts? Erin Miller sat down with Fool contributor Travis Hoium to find out.