This news article from a couple of weeks ago suggests that Easyjet is planning a significant increase in its Spanish operations.
http://www.lne.es/secciones/noticia....Noticia=417571
It also remarks that the airline has applied for slots to fly between Madrid and Asturias.
The Spanish domestic market is really hotting up then! Vueling are providing some welcome competition to Iberia / Air Nostrum. Ryanair are interested in launching Madrid to Granada and now it looks like Easyjet are muscling in on the market too!