200 and 400 kV lines create relatively strong electromagnetic fields. The best study so far seems to have been done in California but as far as I can find out quickly, the results were suppressed, although for what reason(s) I don't know.

There are two places you might wish to read. Google




FAQ for Health Effects of Transmission ... - Power Line Health Facts


Living By Power Lines


From what I've read over the years, living too close can be risky to your health. Hope this helps.