It's always there whenever you flip a switch or plug in a cord - but electricity has to travel a long way to reach your home. Take a look at how electricity is generated inside a power plant, and the long trip it takes to your appliances.
Inside the power plant
New technology is making power generation faster, cleaner and safer, but the process for making electricity has been the same for more than 100 years.
The transmission and distribution system
From the generating station, the electricity is pushed through high- and low-voltage power lines - an infrastructure also known as the "grid."