altener ii programme green electricity project vertical action 2 tools and techniques for the marketing of to grid connected consumers italian final report 22 04 2002 ecuba srl contents 1 market examination focused on emilia romagna region 4 domestic sector commercial industrial 5 3 public 8 lessons learnt from other experiences 9 generalities pv campaign renewable energy situation photovoltaic roofs initiative 10 firsts results 11 reasons success conclusions 14 100 label 15 certificate system promotion recs certificates experience in florence 16 local agenda 21 17 most important steps toward a sustainable urban development italy 18 municipality modena 19 procurement develop