Is it good to lay photovoltaic panels on the north and south slopes

Do solar panels need to be south facing?

While solar panels don't need to be south facing, you'll maximize your energy output with a south-facing system. It's also better for residents in the northern hemisphere to install panels that face south rather than east or west. Rooftops that are north-facing are the least ideal location for solar panels.

Do solar panels need a south-facing roof?

Conversely, solar panels with a -17° orientation, i.e. South-East, achieved 99% solar production as panels facing South. In essence, proving that you don't have to have a south-facing roof to benefit from solar panels.

Which direction should solar panels be oriented?

For example, studies by the University of York show that solar panels with a +30° orientation, i.e. South-West, achieved almost 97% solar production as panels facing South. Conversely, solar panels with a -17° orientation, i.e. South-East, achieved 99% solar production as panels facing South.

Do solar panels work on the north side of a roof?

Yes, solar panels work on the north side of a roof, but they generate less electricity compared to south-facing panels. According to a 2024 study by Yorkshire-based installer Oval Renewables, north-facing panels are around 54% as effective as south-facing ones.