[Free Registration/Login may be required to access all resource tools.] Explains what an electrical grid is and the role of power plants, transmission lines, and electric substations.

The National Grid is a high-voltage electric power transmission network, connecting power stations and 340+ substations ensuring supply and demand is in the balance. Nigel Williams speaks to Robert Llewellyn about how the National Grid...

Through nine lessons, students are introduced to a range of energy types--electrical, light, sound and thermal-as well as the renewable energy sources of wind, hydro (water) and solar power. Subjects range from understanding that the...

[Free Registration/Login may be required to access all resource tools.] Students learn about the economic importance of calculating energy consumption, and are introduced to the equations used for measuring the electricity in an electric...