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.
The April 2025 ERCOT Price Spike
No heat, no freeze, no outage declared, and load barely above 45 gigawatts. For about ninety minutes before dawn the ERCOT real-time price spiked nearly seventyfold and collapsed, set not by a crisis but by a thin maintenance calendar, a wind forecast that missed, and a windless hour before the sun came up. Walk the spike interval by interval.
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.