HARRISBURG — Amazon plans to spend $20 billion to build two data centers in Pennsylvania, a move that state officials say will generate thousands of jobs over the next decade and stoke considerable economic activity.
But many key details, like the centers’ full impact on electricity supply and prices, and the amount of tax revenue the state will forfeit to Amazon, are still unknown.
As part of a state law to incentivize data center development, Pennsylvania has approved a sales tax exemption for Amazon on key equipment that could potentially cost the state millions of dollars that otherwise would go toward education, health care, and other basic services…