Do you know what energy is consumed for a coffee? A tea? Make a pizza for 6 people? We tend to forget it, but every gesture in everyday life, however simple it may be, requires energy, and often much more than we think!

This is an essential question on board Energy Observer, because the power consumption necessary for the life of the boat can be as energy consuming as propulsion. When we rely on nature to navigate, energy is precious, and when the elements are against us, every kWh counts!

Explanations with our systems engineer Roland Reynaud, while the boat was in the middle of sailing to Spitsbergen.