Dinorwig Power Station in Wales
The Energy System as swan swimming – calm on the surface, a different story underneath

Hidden from view a spectacular high wire balancing act is performed every moment of every day.  National grid must ensure the electricity fed into the grid from power stations equals that consumed. Or the lights go out. Imagine Wallace & Gromit frantically managing an array of levers – the nuclear power stations are tricky to turn off, so stay on.