Whatever reasoning you attribute it to, as a customer (typically of a monopoly utility), your reality is: electricity prices don’t change with the clock or the calendar, so storage in batteries isn’t as profitable as it is for people with variable rates.
A lot of the US has flat electricity tariff rates 24-7.
That has nothing to do with demand, it has to do with US obsession with privatization.
Even at 25 cents a Kw/hr, that’s $15 a fillup.
Whatever reasoning you attribute it to, as a customer (typically of a monopoly utility), your reality is: electricity prices don’t change with the clock or the calendar, so storage in batteries isn’t as profitable as it is for people with variable rates.