Just eye-balling the photo I'd say 10% survived. A 90% reduction in throughput is a major deal, especially if the grid depends on it (I hate, hate, hate grid power being dependent on solar and wind).
Even so, the 10% of panels that are still good need to be re-arranged so that they're all on the same inverter strings (assuming they used string inverters since those tend to be the most efficient). I have 8 strings for my 64 solar panels. If one panel goes bad the entire string would go down (much like a bad light in a string of Christmas lights) but the other 7 strings would produce just fine. Assuming in this photo they had one inverter string per row of panels, then right now none of the inverter strings are producing power (every row has at least one "blown" panel).
As far as cost of loss goes, I wonder if there's insurance. I added $40/year to my homeowner's insurance to cover the cost of replacing solar panels (and other added costs, since with rising construction costs even if I hadn't added solar and other energy improvements it would cost me more to rebuild my home today than it would have 17 years ago when we first started the homeowner's insurance policy). IMHO, $40/year is a reasonable expense to offset this kind of problem from a cost/benefit analysis. (Obviously their insurance premium would be more, but for more production.)
Even if they have enough insurance that this loss is a drop in the bucket financially, I hate, hate, hate solar power for the grid because the grid is supposed to be dependable power. The only solar worth considering is decentralized solar (personal use) and even then it should be a free market thing and not some government induced push to support some warmageddon fear religion.
“I added $40/year to my homeowner’s insurance to cover the cost of replacing solar panels “
When I built both of my arrays, the panels and solar stuff were included in the dwelling total. I just added the 50k or so as an increase of the dwelling value.
Then after both projects were done (4 years apart) the glorious insurance outfit, Florida Farm Bureau, renewed and excluded any and everything solar. They now want an additional $500 a year. Agent took photos and even sent me an email saying my coverage ‘is bound.’
Three weeks later he was back pedaling. No coverage at that photo date. It has to ‘wait for the renewal date.’
Renewal date comes and premium for basic h/o jumps from $3500 a year to $7500 a year.
Needless to say, nada, I will self insure.
” If one panel goes bad the entire string would go down”
Got like 10 strings here, various inverters. 120 panels total on property. Never had one panel go bad — yet. 12 years on some this fall.