[belorn]

> and then reuse of the same inverters outside normal solar generation hours to discharge the batteries.

Yes, if we are talking about hours of capacity then batteries can be very cost competitive to fossil fuels. That is exactly what the financial advisor stated in their report.

In areas where solar + batteries can reliable handle all year round demands for energy, those technologies should just replace fossil fuels. There will likely be some natural gas plants that get subsidies to exist as reserve in case there is a sudden weather change, but nuclear wouldn't be a great option in such places.