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

Hurricane Beryl: The 2024 Houston Blackout

Hurricane Beryl was the inverse of a heat wave: one city's demand collapsed, the price fell through the floor, and the lights stayed off for nine days into a 106-degree heat index that killed mostly the old. Walk the outage hour by hour, then read what the grid cannot show you.