Ahead of the midterm elections, Congress is scrambling to show that it understands voter concerns about AI data centers and their potential impact on electricity rates. But answering the question of how much of those costs will be shouldered by residential utility customers is surprisingly difficult to answer. That uncertainty is at the heart of a growing fight on Capitol Hill, as lawmakers advance competing proposals aimed at protecting ratepayers in a debate that often belies the complexity of the underlying economics.
On Capitol Hill this week, Republicans have been trying to push through the Ratepayer Protection Act, sponsored by Ohio Republican Sen. The bill would have state utilities consider holding "large-load" customers responsible for the increased costs. Husted is in a heated reelection campaign against Democrat Sherrod Brown, who lost his Senate seat in 2024.
Brown has made Husted's past support of data centers in Ohio a major campaign issue. The bill easily passed the House in September with strong bipartisan support. Senate Minority Leader Sen.
Chuck Schumer opposes the measure, saying its protections for ratepayers are voluntary. Instead, Schumer is promoting the GRID Savings Act, a similar bill authored by New Mexico Democrat Sen. Martin Heinrich, which he says has more teeth.
Several other data center and AI-related bills are at various stages in the legislative process. The cost of AI is showing up in customers' bills The question of how much of the energy and grid costs are being borne by ratepayers is a complicated one and has no universal answer, experts tell NPR. They say it varies by utility and state, but that in the end residential electricity customers will pay for a share of the AI buildout.
By one estimate, Maryland customers, for example, pay somewhere around $168 to $216 more per year on their electricity bills primarily due to the data center boom. "We're talking tens to hundreds of millions of dollars [of infrastructure] that are being built by these local utilities," says Connor Waldoch, co-founder and chief strategy officer at Grid Status, which focuses on making electricity-market data easier to access and understand. "In many cases, it is just ultimately going to end up in customers' bills." Tracking the impact of data center growth on residential bills isn't easy, however.
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