The story
Iberdrola Renovables was registered in Madrid following its incorporation in 2001. It started as a wholly owned business unit of Iberdrola under the name Iberenova. In 2009 the company changed its registered office to Valencia. However, it still had a strong presence in Madrid and in Bilbao, its birthplace.
Flotation
The company was listed on the Madrid Stock Exchange in December 2007 in an initial public offering. 844,812,980 new shares were placed at a price of €5.30 each. The operation totalled €5 billion, the largest placement ever made on the Spanish market by a new company.
The company joined the benchmark IBEX 35 index in a February 2008 reshuffle.
Merger with Iberdrola
In July 2011, Iberdrola Renovables merged with its parent company Iberdrola and is now Iberdrola's renewable energy business. Minority shareholders could change their shares into Iberdrola shares at a 1 for 2 ratio, equivalent to a value of around €3 for each share of Iberdrola Renovables.
From Wikipedia’s article on Iberdrola Renovables, shared under CC BY-SA 4.0.4