> I don't see any news about a stressed power grid in this area.
That's because you don't live in Maryland.
Our energy bills are through the roof and our transmission company is talking about rolling blackouts in 2027.
https://www.thebanner.com/community/climate-environment/cont...
Well, they have done pretty well for 20 years of planning. Google tells me that AWS us-east-1 region (Northern Virginia) was started in 2006!
EDIT
The opening paragraph:
I bet this is pure NIMBYism. Just this phrase alone is a dead giveaway: "controversial power line". LOL: What is controversial about a power line? Hint: They aren't, but NIMBYism exists.