Solar tools
Free tools to help you work out whether solar, a battery or an EV charger makes sense for your home. They all use the same sun data and the same maths, so their figures agree.
Solar calculator
Costs, savings and payback for your postcode.
Sun path
See where the sun is through the day and year, and which roof angle catches the most.
Seasonal chart
When your panels make power, when you use it, and what a battery would change.
Roof direction map
See how much power a roof facing any direction and pitch could make where you live.