House is triple-grounded with long grounding rods and clamps to 3 different areas of the foundation and plumbing. (It's a warm but 'plain' 6-star home on which I was the general contractor, with the reason for the 6-star rating being thermal efficiency).
My electrician in the distant neighborhood, who was one of several who helped wire my house, recommended whole-house surge protection, either outside at our own power supply pole, where my master panel is, or in the basement in the 200-amp QO panel down there.
We have surges, etc. throughout the Winter, often as a result of outages from trees falling, wind, snow, etc. Often times when their main power line fuses are in between tripped and not, the power flickers (a brown out), and that's when less than ideal electricity can cook (especially) digital appliances.
It doesn't help the matter a lot that the local power co. tends to use more resistant/stout fuses on their primary poles, resulting in the flickering in between having a good supply of 'clean power' and the moment when it goes out altogether being extended, which is all the more problematic on numerous devices.
I once, in the middle of a midnight storm, watched a large spruce tree kitty-corner to our land, land on the power lines, and the thing threw sparks for hours, literally, like a giant steel grinder, until it finally fully tripped. It's irresponsible on their part to run such equipment (and I've told them so, including the greater likelihood of their sparks from stout fuses burning down someone's home in the dry months of Summer), but it reduces their trips out to the field, paying union line workers in the middle of the night. And the electric co. takes no responsibility here for toasted equipment that result from uncleared right-of-way lines, or using overly rated fuses on their poles.
Reminds me of my adult children at times; making sure not to be accountable for issues they helped to generate.
I bow to his local knowledge. I had a brown-out take out a prized possession quite recently. A little voltage regulator that was down stream from 4 or 5 others. Just the weakest link I guess. A neighbours oven also needed fixing. The power company told us both they had no record of a bad disconnect, or any other complaints. Denying the neighbour had rang. The fault was easy to spot, it opened up the pavement. It took a few days to fix it, then a number of local transformers failed in the next few weeks. As is the way. Yet they still stood their (shovel in hand) saying it was all fine.
Most big local rings are opened and closed with pneumatic breakers, that will keep trying again.