Why all the BS and tap dancing?
The definition of a power grid, is 24 7 365 reliable electricity able to meet every little blip in the demand cycle. PERIOD end of story.
This quite obviously cannot be done with anything other than fossil fuels at the present or near future. But, that doesn’t factor in the allowance for insanity that exists in some people with an agenda.
This is undeniable because nuclear power is verboten and completely off the table.