There are plenty of other renewables usable than solar. Wind power would be the obvious one, as wind is often a great complement to solar anyway. Then there are

There are plenty of other renewables usable than solar. Wind power would be the obvious one, as wind is often a great complement to solar anyway. Then there are long-distance transmission lines, water power, energy from biomass. Finally, if everything else fails, create hydrocarbons from CO2 in sunny places, ship those "eFuels" to Minnesota.