What is the biggest disadvantage of solar electricity, or at least, why is it not used much more than it currently is?

What is the biggest disadvantage of solar electricity, or at least, why is it not used much more than it currently is?

What is the biggest disadvantage of solar electricity, or at least, why is it not used much more than it currently is?

What is the biggest disadvantage of solar electricity, or at least, why is it not used much more than it currently is?

What is the biggest disadvantage of solar electricity, or at least, why is it not used much more than it currently is?