PJM power auction to add $6.3 billion in data center costs
PJM’s latest capacity auction is set to push about $6.3 billion onto bills as data centers drive demand and grid costs across 13 states and Washington, D.C.
PJM Interconnection’s latest capacity auction is set to add about $6.3 billion in extra charges for consumers and businesses across 13 states and the District of Columbia, with the biggest pressure coming from electricity-hungry data centers tied to the AI boom. The grid operator’s capacity market sets part of the wholesale power price that ultimately shows up on household and commercial bills, spreading the cost across millions of customers in PJM’s footprint.
Monitoring Analytics, PJM’s market monitor, has said data center load growth is the primary reason for the recent tight supply-demand balance and high prices. Joseph Bowring, who runs Monitoring Analytics, has argued the current conditions are “almost entirely” the result of large load additions from data centers, both actual and forecast. That is a sharp rebuke to the idea that the auction’s jump reflects ordinary growth in power use, especially because data center demand forecasts can change quickly as utilities, developers and state regulators race to keep up with new projects.
The scale of the price move is stark. The latest PJM capacity auction produced about $16.1 billion in revenue, roughly 82% above the prior year. PJM’s 2024 capacity auction already drove double-digit electricity bill increases for some customers, and the newest round deepens the burden just as Northern Virginia’s “Data Center Alley” and other large server clusters continue to expand across the region. PJM’s long-term load forecast points to 32,000 megawatts of peak load growth from 2024 to 2030, with nearly all of that increase tied to data centers if power is available.
The fight is not limited to generation capacity. The Union of Concerned Scientists found that consumers in seven PJM states were forced to absorb an additional $4.3 billion in transmission expansion costs in 2024 for projects needed solely to connect data centers. UCS said it identified 130 projects in Illinois, Maryland, New Jersey, Ohio, Pennsylvania, Virginia and West Virginia that connect private data centers directly to the high-voltage transmission system, and more than 95% of those projects passed connection costs onto local electricity bills. Virginia accounted for $1.9 billion of those direct transmission costs, while Ohio accounted for $1.3 billion and Pennsylvania for $491.7 million.
The next PJM capacity auction was expected in early December for power beginning June 1, 2027, keeping the dispute over who should pay for the grid buildout in the middle of the AI race. The central policy question is becoming harder to ignore: whether the economic upside of data centers should stay with the companies building them, or whether the grid costs will keep landing on ordinary ratepayers.
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