(1) In contrast to previous years, data for 2008 and 2009 include figures relating to Asociación Nuclear Ascó-Vandellos, Carbopego, Nuclenor, Pegop Energía Eléctrica, Tejo Energía, Endesa Ingeniería, Endesa Gas Distribución and Endesa Gas Transportista due to changes in the consolidation scope. (2) Data consolidated by Endesa(3) Includes the Chilean plant GasAtacama, accounted for using the proportionate consolidation method from 1 January 2008. (4) Data measured according to busbar cost. 2009 hydro output sold to Acciona is included to June and output from Nuclenor and Tejo Energia throughout the year as these assets were accounted for using proportionate consolidation. (5) To coincide with economic data for this business we include sales made by Endesa Energía in European countries outside of Spain and Portugal. (6) Tariff customers. Does not include toll customers.