What hours is less expensive to run electricity most?

When Is Electricity Cheapest to Use?

If you've ever wondered when the best time to run your dishwasher or washing machine might be, the answer often lies in understanding your local electricity rates. In most areas, the cheapest time to use electricity is late at night through the early morning hours—typically between 10 p.m. and 6 a.m.

This price drop happens because overall energy demand slows significantly during these off-peak hours. While most of us are asleep, the grid isn’t under strain, which allows utilities to offer lower rates. Power plants that run continuously—like nuclear or certain renewable sources—keep generating electricity regardless of immediate need, so supplying power during these quiet hours costs less.

Why does this matter? Shifting energy-intensive tasks like charging electric vehicles, running laundry, or pre-cooling your home to these off-peak windows can lead to noticeable savings on your monthly bill—especially if your provider uses time-of-use (TOU) pricing.

Of course, exact timing and savings depend on your region and utility provider. Some areas may define off-peak hours differently, and not all households are on dynamic pricing plans. Still, as a general rule, nighttime remains the most economical window for electricity use.

For those looking to optimize their energy habits, checking with your local utility to understand their rate structure is a smart first step. Simple changes, like setting timers on appliances, can make a real difference—both for your wallet and the grid’s efficiency.