January 31, 2008
Preliminary consolidated data for the year ended December 31, 2007.

March 12, 2008
Consolidated financial statements of the Enel Group, proposed statutory financial statements of Enel S.p.A. for the year ended December 31, 2007 and proposed allocation of net income.

May 13, 2008
Report on the first quarter 2008.

July 31, 2008
Half-year report as of June 30, 2008.

November 11, 2008
Report on the third quarter 2008.