For those, you had to take a reading from the fuse box.”Every household appliance has its own recognisable pattern of energy usage and of being turned on and off. It displays the energy usage of all major appliances in very nice graphics. Reportedly, Grosjean would really like an additional 5 to 7 million Euros by the end of this year. Even telecom companies are increasingly catching up with the smart grid (the power network of the future that aligns electricity usage and price through wireless communication between electrical devices and electricity suppliers, Ed). At that time, it already was an SME with a turnover of 25 million Euros and a profit margin of over 20 percent.