The Texas peak map
Hotter than normal glows warm. Scrub two days either way. Dashed borders mean forecast.
ERCOT demand 72.6 GW · hourly
coolerhotter than normal
Boundaries are ERCOT's official ZIP-code weather-zone assignments (Load Profiling Guide, Appendix D) dissolved over US Census ZCTA geometry. City readings are live NWS station observations (KIAH, KDFW, KAUS, KSAT). Zone temps are ERCOT's per-zone vintages. The full recipe is in the methodology.