Energy glossary - G

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z

Energy terms defined on this page:

• Gas
• Giga watt (GW)
• Green tariff

For a full glossary list click here

Natural gas, a fossil fuel, is found in porous rocks and is used as a fuel in homes directly or in the production of electricity.

A measure of power. 1 GW = 1,000 MW (mega watt).

An eco-friendly energy tariff where you get some of your energy from renewable sources such as sun, wind, and water power. Green energy tariffs can be a great way of helping to offset some of the damage caused by your gas and electricity usage while also supporting “green” causes. See green energy.