Nobody says that this amount of power will help you become independent of the power grid. But it might allow supermarkets to cool their stores and freezers.
The equation is quite simple: More Sun leads to higher energy requirements for cooling but also to higher yield from solar powers.
Another factor are big cooling warehouses (e.g. for meat). If they could use solar power to cool down their facility 1 or 2° below normal temperature by the end of the day, they could effectively switch off the cooling during the night. Imagine that on a big scale and you have huge offsetting of power consumption along with a more stable power grid.
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Well it would be enough to power a big AC unit.
Nobody says that this amount of power will help you become independent of the power grid. But it might allow supermarkets to cool their stores and freezers.
The equation is quite simple: More Sun leads to higher energy requirements for cooling but also to higher yield from solar powers.
Another factor are big cooling warehouses (e.g. for meat). If they could use solar power to cool down their facility 1 or 2° below normal temperature by the end of the day, they could effectively switch off the cooling during the night. Imagine that on a big scale and you have huge offsetting of power consumption along with a more stable power grid.