How long is "all my life?"
Because it seems like a relatively recent development that off-grid solar power solutions have become affordable and mature enough to not suck on average.
Because it seems like a relatively recent development that off-grid solar power solutions have become affordable and mature enough to not suck on average.
... And how is this relevant?
... And how is this relevant?
As to the second half of your original question, solar power is not the only kind of backup power that exists.