• Iberdrola Inmobiliaria, for its part, is adopting initiatives to develop bioclimatic homes and is becoming offi cially qualifi ed to develop high energy effi ciency and low energy consumption buildings. 2007 Sustainability Report In fi scal year 2007, notable advances were made in key elements of the relationship with these stakeholders for the purpose of strengthening the model applied within the parameters of the AA 1000 Assurance Standard.