In that case the government should pay incentives when purchasing an electric car. That way the electricity being produced on sunny days can be stored and used when it is cloudy. Electric cars will also be spread out geographically, quite in line with solar panel installations so that solves for regional and network issues too. And as an added benefit we use less oil (less combustion cars) and less gas (we charge when it is sunny and not when we produce electricity with gas generators).

By using less oil and less gas we reduce CO2 emmissions, save money and are less dependent on other regions far away.