Who Will Pay for the Power Needed by AI Data Centers?

Summary

As the U.S. midterm elections approach, Congress is debating how to protect households from electricity costs associated with the rapid growth of AI data centers. The House passed the Republican-backed Ratepayer Protection Act, which would ask state utilities to consider making large-load customers responsible for added costs. Senate Minority Leader Chuck Schumer opposes its voluntary protections and is backing the GRID Savings Act, which he says would impose stronger requirements. Experts told NPR that there is no nationwide figure for the burden on residential customers because the result depends on utility contracts, retail rates and regulatory decisions. One estimate puts the added cost for Maryland customers at roughly $168 to $216 per year, while PJM’s independent market monitor estimates that data centers cost the region’s 67 million ratepayers about $29 billion over roughly two years. Costs can arise from higher wholesale demand, new transmission lines, substations and generation capacity, although some upgrades would have been needed for other reasons such as extreme weather or electric vehicles. Data center deals are often difficult to scrutinize because non-disclosure agreements conceal payment terms; a study found NDAs in 80% of Virginia localities with existing, approved or proposed data centers. Utilities say infrastructure costs are reviewed by regulators. Experts also warn that rapid expansion may require less-efficient power plants, while noting that data centers can accelerate grid upgrades and improve local reliability. The article does not identify a single clean national allocation of costs.