Pair the storage with some solar, and you could probably reduce the storage size or increase the survival duration (or both). Here's a fun tool that lets you p

Pair the storage with some solar, and you could probably reduce the storage size or increase the survival duration (or both). Here's a fun tool that lets you play around with the balance of these things and see the expected cost: https://reopt.nrel.gov/tool https://reopt.nrel.gov/tool