Amazon said Monday that it will spend $20 billion on two data center complexes in Pennsylvania, including one it is building alongside a nuclear power plant that has drawn federal scrutiny over an arrangement to essentially plug right into the power plant.

HARRISBURG — Amazon said Monday that it will spend $20 billion on two data center complexes in Pennsylvania, including one it is building alongside a nuclear power plant that has drawn federal scrutiny over an arrangement to essentially plug right into the power plant.

E-commerce giant Amazon will pour $20 billion into Pennsylvania to build a pair of data center complexes, including one outside Philadelphia. Why it matters: The project, which aims to grow Amazon's artificial intelligence and cloud computing empire,