PJM Wholesale Power Prices Jump 76% as Data Center Demand Strains Grid

An independent market monitor, Monitoring Analytics, reports that wholesale power on PJM rose to $136.53/MWh from $77.

Monitoring Analytics found wholesale electricity on the PJM Interconnection jumped to $136.53 per megawatt‑hour from $77.78 a year earlier — an increase it quantified at roughly 76% — and attributed the surge primarily to rapidly growing data center demand that the market has not adequately met. The monitor warned the price spike has already imposed large costs on customers and could worsen unless the data center load issue is addressed.

The group used stark language about consequences, saying, "The price impacts on customers have been very large and are not reversible," and cautioning that "the price impacts will be even larger in the near term unless the issues associated with data center load are addressed in a timely manner." It also argued that, absent rising data center demand, "the capacity market would not have seen the same tight supply demand conditions, the same high prices observed."

The PJM footprint includes concentrated data center regions such as Northern Virginia, where construction and power use have climbed sharply. Monitoring Analytics says that a 2022 pause on applications for new generating sources — put in place because of a backlog and only recently lifted — left the market less able to respond to a sudden surge in load.

Beyond short‑term market impacts, Monitoring Analytics criticized PJM for delayed system improvements and opaque decision‑making. The monitor said key software upgrades "have been delayed by multiple years and have no firm expected implementation date," and concluded the current supply "is not adequate to meet the demand from large data center loads and will not be adequate in the foreseeable future."

PJM has published a white paper outlining three possible paths forward for the region’s grid; that proposal has prompted pushback from major utilities. One large utility, American Electric Power (AEP), has signaled it might leave PJM over the proposed changes, highlighting the risk that disputes over market design could reshape which entities participate in the region’s power market.

The report frames a broader structural challenge: U.S. grid architectures and existing capacity market mechanisms are struggling to absorb fast, concentrated industrial loads such as data centers. Monitoring Analytics urged that recognizing data center load as the root cause — and pairing that recognition with timely software and capacity upgrades — is essential to stabilizing prices and supply.