Solar, storage & home energy guides

Heat pumps move heat rather than simply making it. Here is how to understand the principle and read performance figures in context.

Three familiar labels, three different sets of questions. See how generation, storage and the grid fit together.

Follow your electricity through an ordinary day and learn which numbers reveal the most about your home’s energy habits.

Kilowatts, kilowatt-hours and usable capacity: understand the numbers that shape what a home battery can actually do.

A clear guide to panels, inverters and the flow of electricity — from the sunlight on your roof to the appliances in your home.