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Hyperscape Digital

HD Intelligence Desk · Explainer

PJM Data-Center Capacity Cost: the 46% Figure

Updated August 31, 2026

In late July 2026, PJM's independent market monitor — Monitoring Analytics, Joseph Bowring — reported that data centers drove roughly $6.3 billion of the most recent PJM capacity auction, about 38% of a $16.4 billion total, and $29.4 billion, or about 46%, across the last four auctions combined. Bowring called the load surge a paradigm shift PJM was treating as business as usual, and pressed for a separate capacity auction for large loads.

That is the cost-shift, priced. It is not a queue screenshot and not a vacancy print. It is why large-load tariff and moratorium climate is 20% of the HD Market Scorecard and why PJM is a D.

What followed

The monitor's report landed three weeks before the August 17, 2026 deadline for the six RTOs and ISOs to answer FERC's June 18 Section 206 show-cause orders on large-load interconnection. New York had already enacted a statewide hyperscale moratorium. New Jersey's Assembly had passed a ≥50 MW take-or-pay tariff. PJM, separately, began putting some cost-allocation questions onto the states.

Reliability is the other half. After 3.8 GW of data-center and crypto load tripped offline, PJM and NERC opened a conversation on computational-load performance. Curtailment risk and capacity cost are now the same political object: who pays, and who sheds, when the load is the size of a city.

How HD scores it

PJM's grade is D, trend down. Elevated capacity prices, evolving co-location guidance, and reliability-driven curtailment are the rationale. Northern Virginia vacancy at record lows does not help the grade; it is a real-estate fact sitting on top of a grid that has not isolated new large load from other customers.

The scarce asset in PJM is powered land with a contracted, ring-fenced path that does not depend on socialized capacity cost staying cheap. Queue position that assumes the last four auctions were an anomaly is the trade the monitor just marked.

Sources

  1. 01Data centers drove $6.3B in PJM capacity auction costs: market monitor — Utility Dive
  2. 02PJM's big new data center plan: Make the states figure it out — Ohio Capital Journal
  3. 03The Cost-Shift Bill Comes Due — HD Intelligence Desk, August 2026