this includes the instantaneous full discharge of the stationary battery, the switches which become frozen for 10 seconds (mimicking issues in the power distribution network), the wind mills, the solar panel or the water dam which cannot produce power for 10 seconds. The wheel can also stop in a spot where any catastrophe is produced. The emergence of these catastrophes pushes the players to redesign on the fly the strategies to maintain the proper balance between electricity production, consumption, distribution and storage.