A recent heat crisis has led to a significant surge in electricity demand. Wholesale power prices skyrocketed, reaching over $1,600 per megawatt-hour in some areas. The heat dome affected over 200 million people, prompting emergency measures to avoid rolling blackouts.

The US Department of Energy allowed plants to exceed pollution limits to ensure a stable power supply. Further details on the heat crisis and its impact on the power grid are available from the source, including information on record-breaking electricity usage and measures taken to mitigate the crisis.