Ask the Grid

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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RetrospectiveERCOT

The 2024 Solar Eclipse and the Texas Grid

The April 2024 eclipse cut ERCOT solar output by more than 90 percent in the span of a single hour, a supply shock the size of a small country's grid, perfectly predictable, planned for a week ahead, and absorbed without an emergency. Watch the mirror image of solar collapsing and gas rising on celestial time.