The PJM Interconnection board has put forward a proposal to create a backstop capacity auction alongside formal curtailment plans targeting large data center loads during grid stress events. The proposal comes after a period of significant volatility on the PJM grid tied to abrupt data center load changes. If adopted, the rules would give PJM operators new tools to manage demand from the growing fleet of hyperscale facilities across its 13-state footprint. Stakeholder review and FERC oversight are expected to shape the final structure of the mechanism.

Why this matters

PJM is the largest electric grid operator in the United States, and any formal curtailment framework for data centers would set a precedent for how grid operators nationally treat large, interruptible industrial loads. The backstop auction proposal also directly affects capacity market pricing, which flows through to utility costs for all customers in the region.

Why the Digest selected this story

Keywords 'PJM,' 'backstop capacity auction,' 'data center curtailment,' and the named board action triggered selection. This is a new formal board proposal distinct from the previously published PJM voltage disturbance and load-drop events already in the archive.

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