Real-time TB4 spreads fell from February's $510 peak but remained elevated at $341/MW-day, well above year-ago levels

Average daily TB4 spread, by month ($/MW-day)

Day-Ahead

Real-Time

Source: PJM, Modo Energy

Note: TB4 spread calculated as the difference between the 4 highest and 4 lowest price hours in each day.

MODOENERGY