The derecho day peaked at $626/MW-day, while the heat dome lifted every zone above $4,700/MW-day
Real-time four-hour top-bottom (TB4) spread by load zone ($/MW-day), August 11 and September 2, 2026
Source: MISO, Modo Energy
Note: Zones without a hub show the average of neighboring hubs. Each tab has its own color scale.
MODOENERGY