Every country gets the energy for electricity from different primary fuels and primary energy flows. Click on different countries and different years to see how electricity generation changes by location and with time.
The electrical grid is important for transmitting this electrical energy to homes for people to enjoy a high quality of life in our high energy society. Figure 1 shows high voltage power lines that transmit electricity long distances.
Electrical energy use is growing faster than primary energy use or population because electricity is such a flexible energy currency that provides so many energy services (like powering technology).