Solar panel size calculator

Battery size calculator

Cable size calculator

Power output calculator

Calculates the energy output in watt-hours (Wh) per day of a solar panel or panel array. Enter the solar panel size in watts and data is given for panels where the mounting angle is changed throughout the year, at 45-degrees and also mounted flat.

*note that this calculator has been created to produce conservative 'safe' results.

Leading Edge has a wide range of 12V DC solar panels suitable for 12V, 24V and 48V battery banks.  Choose from professional-grade monocrystalline glass modules with ultra-high efficiency SunPower cells for a range of industrial/commercial applications, and walkable marine solar panels from Solara.

If you include a wind turbine, you can generate even more power.  Take a look at our range of off-grid wind turbines, made here in the UK, choose one that will suit your power requirement or contact us for advice from one of our off-grid specialists.