i have this PSUIf you have a quality PSU, there is little to fear, however, it is not good as pc's are vulnerable to brownouts, short circuits etc
Can you post your PSU brand and type?
Will A UPS protect it?that's a quality PSU
if you really want to protect your pc from electriity spikes i guess you could hook it up to a surge protector
https://blog.bestbuy.ca/how-to/how-to-protect-your-pc-from-power-surges