Demand for shares in the initial public offering of renewable energy firm Abengoa Yield Plc was $10 billion, more than 16 times what was on offer, the chief executive of Spanish parent company Abengoa told Reuters on Friday. _0"> The class="mandelbrot_refrag"> banks handling the share sale would sell a greenshoe package of 3.727 million shares in the coming hours, CEO Manuel Sanchez Ortega said by telephone from New York. The shares priced earlier on Friday at $29 per share, valuing Abengoa Yield at around $2.32 billion. (Reporting by Jose Elias Rodriguez; Writing by Fiona Ortiz ; Editing by Sonya Dowsett) true