Day-ahead power prices across several key regions of the central US experienced significant volatility on November 20, 2025, with some areas seeing notable price drops due to anticipated changes in electricity demand and increased renewable energy generation. In contrast, regions like PJM Interconnection's West Hub witnessed substantial price increases as temperatures were forecasted to rise, leading to higher demand for electricity. The fluctuations in prices were largely influenced by regional temperature predictions, renewable energy generation forecasts, and expected changes in electricity consumption.