There are undoubtedly lots of reasons, but I bet one of them is that air conditioning is much more common and uses a lot of electricity. The US extends much fur

There are undoubtedly lots of reasons, but I bet one of them is that air conditioning is much more common and uses a lot of electricity. The US extends much further south than Europe (the states along the US's southern border are at the same latitude as northern Africa) and large sections of the US have hotter summertime temperatures than pretty much anywhere in Europe.