The Accord Front's return was part of a deal announced July 1 in which Prime Minister Nuri al-Maliki, a Shiite, accepted proposals from the bloc for five candidates to fill the several ministries that bloc members vacated last summer.
Spain -- where Iberdrola is headquartered -- is the eurozone's fourth-largest economy with unemployment at 26.1%, second only to Greece in the single currency bloc, according to Eurostat data.