Load Management Techniques & Rates
The time of day in which you recharge your electric vehicle (EV) will certainly impact your electricity bill. We already know that you can reduce your cost by using fewer kilowatt-hours. And we also know that you can help Anaheim Utilities defer the purchase of more expensive energy if you use less electricity during the highest demand hours between 2 p.m. - 7 p.m.
So, when should you charge your EV?
The best time to recharge your EV is during the evening or oﬀ-peak hours between 8 p.m. and 10 a.m.\
Currently, you are likely on the Schedule D - Domestic Service rate. On this rate, the time of day during which you use electricity is NOT a rate factor. However, the more electricity you use past your lifeline allowance, the more your utility bill will increase.
In the context of owning an EV, options are provided for a Time-Of-Use for electricity usage in your whole home, including your EV usage OR a standalone meter that separates your EV usage from your home usage.
- You can immediately see that charging this EV alone exceeds your daily lifeline of the ﬁrst
- 10kW for your home on the Schedule D - Domestic Service rate, which would have been for 12¢ kWh
- So, in all likelihood, regardless of the time you are charging your EV, you will most likely be charging it at 19¢ per kWh for the Schedule D - Domestic Service rate
- By contrast, the oﬀ peak rates for the TOU, ranging from 9.95¢ - 13.85¢, is a 27% - 47% savings depending on the plan and the season. This attractive rate tends to align with times when the EV owner is not utilizing the vehicle (i.e., evenings and nights)
- Of course, it should be noted that if you are planning to charge your vehicle during peak hours, the Domestic plan is a 25% - 37% savings over the TOU, depending on the TOU plan and season. This is a great plan if you charge your vehicle during the day and commute during oﬀ peak if, for example, you work the night shift