What is a Time-Of-Use (TOU) rate plan?

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Rates on a TOU plan are based on the time of day, day of the week, and the season. By taking advantage of lower rates during off-peak and super off-peak periods, you can avoid higher weekday rates when energy resources are in demand.

We offer different types of TOU rate plans. Our TOU 4-9PM and 5-8PM plans offer lower prices while the sun is shining and solar power is contributing to the power grid. In addition, we offer a TOU PRIME plan for households with electric vehicle or plug-in hybrid vehicles, a residential battery, or an electric heat pump system for water or space heating. This rate is only available for customers who can attest to ownership of certain clean energy technologies.

How does a Time-Of-Use (TOU) rate plan work?

TOU rate plans are based on when and how much energy you use. That’s because TOU rates are lower during the day, when we can tap into less expensive renewable energy sources like solar and wind. If you can take advantage of these time periods when rates are lower (“off-peak” hours), you can avoid the rates when energy is in higher demand and renewable energy sources are less available. The following illustration shows an example of how your rate changes if you’re on our TOU 4-9PM rate plan.