Been there..Done that....
At least in my case, the insurance survey was just a formality to make sure I wasn't trying to scam them. I suggest that you try to identify ALL electronics that are not working, as well as damage at/near the strike area. This includes the engine alternator, instrument panel for the engine, as well as electronics powered from shore power such as battery charger, water heater, etc.. The haulout will identify any problem areas where the bolt exited. When my boat was hit, ALL electronics were fried except the starter motor on the engine. The good news was that it was paid for. Replacing electronics was pretty much straight forward...the cosmetics from heat damage was not but that reflects more on the capabilities of the person effecting the repairs..