[MetaWhirledPeas]

> Natural gas is already stored in enormous quantities, and shipped around the world. Leakage appears to happen mostly in transit

And if you can make natural gas from solar that means there will be more sources of natural gas and thus less transit. Right?

[rich_sasha]

As others said, it mostly makes sense as seasonal energy storage. You could have these Terraform installations at storage sites, and also gas power plants in the same place.