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Yes they can. Lots of people use solar power in their homes for all sorts of things, like heating their homes for example.
A very small number of people just use solar power. They have solar panels that transform sunlight into electricity and store this in batteries for home use. Most other people who use solar power also use power from fossil fuels. They have solar panels but are also connected to the electricity grid, so they also use mainsteam electricity, which is mostly generated by burning fossil fuel.
At night you don't have power for anything
none
over hundreds of thousand people
About 5 million people
20 Trillion 932 Billion 981 Million and 497 People use Solar Energy
10,000 homes in the U.S.A. use Solar power for heating and for some electrical appliances. It cost almost 10,000 a year for one solar panel.
in solar power
Some people use solar energy to power lights, there are also some solar powered calculators
how are people affected by social impacts in solar power?