There is enough wind energy blowing across the Iberian peninsula to power 29 million homes, according to a Spanish wind power firm.  That is good news, because Spain has around ten million fewer households than that.

During one night last November, wind energy provided 70 percent of Spain's electricity needs; one another day eleven months earlier, wind provided 54 percent of the electricity used during daylight hours. 

"I think people are going to tell me we're crazy but I'm pretty sure we'll arrive at 100 per cent for one moment for sure," said Miguel Ezpeleta, who operates a turbine monitoring center for the Acciona company, in an interview with the ABC.

The European Union set a target for Spain, to generate 20 percent of its electricity needs from renewables by the year 2020.  Right now, Spain is at 17.4 percent.

Although critics say wind power is unpredictable, countries should not be discouraged from setting high renewable energy targets.

"Properly managed, there should be no issues with that.  The examples in Europe show that," said Acciona Asia-Pacific director Javier Montes.  "The one thing going in Spain's favor is that the electrical system has been built with the goal of making it very reliable and able to take very heavy knocks with extreme weather events or major technical failures."