芝加哥出现负电价

Group 1 - The core point of the article highlights that despite a surge in electricity demand due to stormy weather, electricity prices in the Chicago area have fallen into negative territory due to the saturation of high-voltage transmission lines [1] - On Monday at 10:10 AM local time, real-time electricity prices in the ComEd utility service area dropped to -$227.93 per megawatt-hour, contrasting with an average price above $50 on Sunday [1] - The extreme cold weather sweeping through the northern Midwest has increased the electricity demand for heating, but when long-distance transmission lines reach their capacity limits, excess electricity supply accumulates [1]