Laundry by the sun

Smart grids: When green electricity gets sold at the wrong time, producers feel the bite. Suppliers sometimes even have to pay to unload their electricity on the power exchange. After all, the amount of solar and wind power flowing into the grid is increasing – often at times when nobody wants it. If the available energy is to be used sensibly in the future, improved consumption planning is key. New ideas are currently being tested in a number of model regions.