Not many people know this Solar thermal can turn around up to 90% of radiation into heat, whereas solar PV has an efficiency of between 15% and 20% With abundant and free solar energy, we manufacture our Karoo Rusks commercially on a farm in the Northern Cape The solar baking station next to our brand new processing and solar drying trailer. Karoo Beskuit - Dis Groen, Local en Lekker™ Let us take you to the farm