Solar Power Output Calculator


solar panel size calculator
solar battery size calculator solar cable size calculator solar panel 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.

Size of solar panel or array: W
Adjustable Angle
45-degree
Flat
Summer:
Wh/day
Wh/day
Wh/day
Spring/Autumn:
Wh/day
Wh/day
Wh/day
Winter:
Wh/day
Wh/day
Wh/day
Annual average:
Wh/day
Wh/day
Wh/day

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

Take a look at our 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, walkable marine solar panels from Solara and flexible solar panels for sailing boats, motor homes and caravans.

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.