From a paper ‘Integration of deep geothermal energy and woody biomass conversion pathways in urban systems’ by Stefano Moret, Emanuela Peduzzi, Léda Gerber and François Maréchal published at Researchgate, this figure of the energy balance of the city of Lausanne (Switzerland).

Flows are in GWh for the year 2012.

Figure 1: Energy flow Sankey diagram of the city of Lausanne (Switzerland) for the year 2012 (adapted from [18])