To what extent is the solar economy dependent on the petrol economy? Solar is great for architectural uses, and with a decent electrical grid you can even out

To what extent is the solar economy dependent on the petrol economy? Solar is great for architectural uses, and with a decent electrical grid you can even out and match up the fluctuations in demand and generation. But if you need to ship quantities of energy dense easily usable power around; it's really hard to beat hydrocarbon fuels. And for manufacturing and installing all those solar facilities...?