And also has the advantage of being able to function with distributed storage, so rather than having one huge plant with all the power concentrated, you can have power stored in each and every street if you so desire. This would reduce transmission losses.
They can then be charged up by householders as well as commercial renewable sources.
Transmission losses would be reduced but small scale generation is extremely difficult to predict.
This would result in increased reserve requirements which may mean increased costs overall.
It is much more likely to contribute to reduce overall costs on larger scales controlled by the TSO.
Battery storage combined with wind(which has a real negative value when it blows during low demand periods) would appear to be an ideal combination