> You are handwaving away the nonexistent storage tech required to stand up a power grid. Please stop.

This isn't true.

If you accept 5% non-renewable power generation (which - lets face it - will be with us for a while!) you need storage at $150/kWh to use renewables for everything else[1].

This price is available now (and forecast to drop below $100/kWh next year)[2].

[1] https://www.cell.com/joule/fulltext/S2542-4351(19)30300-9

[2] https://about.bnef.com/blog/battery-pack-prices-cited-below-...