Washington, D.C.

PJM Files Plan To Buy Power As Data Centers Strain Grid

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Published on July 28, 2026
PJM Files Plan To Buy Power As Data Centers Strain GridSource: Google Street View

The board of PJM Interconnection signed off Tuesday on a two-part emergency plan it hopes will keep the lights on as hyperscale data centers and other power-hungry customers put historic strain on the nation's largest electric grid. The package teams a one-time "reliability backstop" capacity buy with a new "connect and manage" operating tool that PJM says would help it ride out acute supply crunches. The grid operator is warning that a wave of massive new loads could add roughly 70 gigawatts of demand over the next 15 years, with recent capacity auctions already pointing to uncomfortably thin reserves.

What PJM plans to file

PJM says it will send tariff filings to the Federal Energy Regulatory Commission that would create two new pillars: a central, one-time procurement to buy capacity wherever the market comes up short, and an operational registry and curtailment framework to manage very large customers that do not bring their own generation. The backstop is meant to secure the extra capacity PJM needs to hit its reliability targets, while the connect-and-manage approach would give grid operators a near real-time list of big loads and tools to dial back their demand during stressed conditions. Those design details and forecasts, including the roughly 70 gigawatt demand projection, are laid out in PJM board communications and filings, according to PJM.

Why markets are sounding the alarm

In PJM's most recent annual capacity auction, prices hit an administrative ceiling of about $325 per megawatt-day, a clear signal that supply is tight at the same time demand is taking off. The auction also missed PJM's resource adequacy requirement for the second year in a row, a shortfall that the proposed backstop procurement is specifically designed to close, according to Reuters. That kind of price action has lawmakers and utilities warning that market signals by themselves may not pull enough new generation onto the system fast enough.

How the backstop would work

Stakeholder materials indicate the backstop would use a registry or subscription-style model, an attempt to avoid blanket over-procurement and to steer costs toward new large loads that have not secured firm generation. PJM staff and coalitions of utilities have floated a design that pairs a central procurement with a bilateral contracting phase in hopes of getting better prices and more targeted results, and some documents describe potential caps on average procurement costs to limit customer exposure. These options, along with the proposed September window for a supplemental auction, were detailed in stakeholder discussions and reporting by Utility Dive.

Regulatory backdrop

Federal regulators have already hinted they are prepared to step in if regional fixes move too slowly. The Federal Energy Regulatory Commission has issued targeted show-cause orders that require grid operators to defend or overhaul the way large loads plug into their systems, and the Department of Energy has leaned on emergency powers during recent heat waves to keep power plants running. That regulatory climate will frame FERC's review of PJM's plan, according to FERC. The outcome will help decide whether the tab lands mainly on new data center customers, on utilities, or on existing ratepayers.

Local stakes

Officials, utilities and consumer advocates across PJM's 13-state territory say what happens next will hit close to home, from Northern Virginia's dense data center corridor to Pennsylvania's power hubs. Federal scrutiny of PJM and fights over who pays to hook up sprawling tech campuses are spilling into statehouses and county boards, where residents are raising alarms about higher bills and new transmission lines, as reported in coverage of feds eyeing a PJM shakeup. Those local battles are feeding directly into the broader stakeholder clash over how to slice up costs and where new infrastructure should go.

What's next

PJM's board has signaled it wants to get the tariff language in front of FERC this month, with a supplemental reliability procurement potentially following as early as September, although that schedule hinges on FERC sign-off and state-level decisions about who pays. If regulators approve the plan, the backstop procurement and the new registry could buy time for transmission upgrades and fresh generation to catch up. If they do not, federal and state officials may move more aggressively on interconnection and tariff reforms. Either way, the coming case will show whether PJM's market design can be tuned fast enough for a data-hungry future, according to PJM Inside Lines.