Iberdrola SA of Spain is to acquire a 400 MW combined cycle power plant under construction at Arcos de la Fontera, near Cadiz, from Abengoa SA. The company recently bought a 1200 MW plant in Arcos de la Fontera, previously owned by Enron. Under the deal Iberdrola will buy Guadalcacin Energia SA, the company developing the 400 MW project and a subsidiary of Abengoa.