Why are wind and solar energy not used as much in our society?

because haven't developed system can made affordable average person buy.
, because cost takes long time before system pays itself.and depending on live aren't allowed or practical.where can't put wind turbine
unless have @ least acre of land , can put tower away buildings.if live in complex or subdivision has hoa, won't let put these systems up.

today, why wind , solar energy not common renewable source of energy?

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