On a typical weekday in November, electricity usage tends to have two peaks: a morning peak and a slightly higher evening peak. On Thanksgiving, electricity demand tends to be highest late morning, as families cook meals and gather to celebrate the holiday. And because most businesses are closed, overall electricity demand on Thanksgiving Day tends to be lower.
Peaks in electricity demand result from simultaneous electricity usage in the residential and commercial sectors. Typical weekdays have two demand peaks—one in the morning and one in the evening—as electricity is used to meet lighting and space conditioning demands. The morning peak reflects the timing of most Americans waking up and going to work, while the reverse is true in the evenings, as households use electricity to heat their homes, prepare food, or watch television.

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