In 2016, Edison's net electricity production in Italy totaled 20 4 TWh, i .e . 7 4 % of Italian power demand, while the company's gas supply amounted to 14 6 billion cubic metres, representing 22 5 % of Italian demand. Electric power production... A highly-efficient and well-balanced fleet of power plants enables it to produce energy with optimum mix ranging from combined cycle gas-fired, hydro and other renewable energy sources.