Besides on the Left, data center development has caused unease among rural residents in red states and among some Republican politicians.

Saturday brings a national day of protest against data centers. And no, it’s not led by the Democratic Socialists of America.

Just down the road, though, cranes reach above towering fences at the site of a $16 billion project - one that has turned this town of 2,400 people into the latest U.S.…