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Stories

Data-driven stories from the US power grid — events like demand peaks and winter storms, told with an interactive map and the numbers behind them.

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RetrospectivePJM

The Day PJM Broke Its Demand Record

PJM set a new demand record during its hottest regional day, with 18.4 GW of generation unavailable. The data shows what actually ran, what demand disappeared, and why the public record does not prove that data centers were ordered onto backup generators.