The energy and utiliies sector index (up 2.39%) was the main driving force behind the Tadawul market's advance of 0.26% on Monday., closing at 6,106.75 points. Saudi Electricity surged 2.59% at SR13.85. The Kingdom aims to invest $80bn in order to double ist power capacity until 2020. Saudi Arabia's Knowledge Economic City (KEC) and closed 1.69% higher at SR9.05. KEC shares were listed on August 9 at SR10.00 in a $272 IPO. Insurers and cement producers mostly last value.