I feel a ups battery and a smart outlet should be able to do something in that situation but it probably wouldn’t be cost efficient.
Just realized I don’t know how variable spot pricing works if you have solar and are potentially a producer of net power at certain times. Get credit at spot price? Some flat rate? No credit at all?
I think that is an actual threat if he can’t find an expert. The judge might assign someone if he can’t find one himself just to avoid that.