Time-of-Day Cost Estimator
Calculate the estimated daily cost of household items on our Time-of-Day Rate.
With Time-of-Day (5-8 p.m.) Rate, choosing when to run your appliances is now more important than ever. Explore different seasonal rates, appliances and time periods to find ways to save.
Get started
- Select a seasonal rate (summer or non-summer)
- Choose a room
- Click on an appliance and select the time of day you normally use it
- Look for opportunities to save money by shifting use to less expensive time periods
Select a room
Kitchen
Laundry room
Living room
Bedroom/Bathroom
Garage/Outdoor
Uses more energy. Shift usage to save.(HE) High-efficiency item
Electric oven
1 hour of use (3.5 kWh)
Electric cooktop
30 minutes of use (.8 kWh)
Refrigerator
24 hours of use (1.44 kWh)
Refrigerator (HE)
24 hours of use (.96 kWh)
Dishwasher
1 load (1.8 kWh)
Dishwasher (HE)
1 load (1.8 kWh)
Microwave
5 minutes of use (.08 kWh)
Slow cooker
3 hours of use (2.1 kWh)
Clothes washer
1 load (.75 kWh)
Clothes washer (HE)
1 load (.42 kWh)
Clothes dryer
1 load (3.75 kWh)
Clothes dryer (HE)
1 load (3 kWh)
Central AC
3 hours of use (9 kWh)
Whole house fan
3 hours of use (1.05 kWh)
Ceiling fan
3 hours of use (.18 kWh)
Television
3 hours of use (.45 kWh)
Gaming system
3 hours of use (.33 kWh)
Desktop computer
1 hour of use (.15 kWh)
Laptop computer
3 hours of use (.23 kWh)
Vacuum cleaner
15 minutes of use (.36 kWh)
Room AC
3 hours of use (3 kWh)
Space heater
1 hour of use (1.5 kWh)
Electric blanket
3 hours of use (.42 kWh)
Television
3 hours of use (.36 kWh)
Hair dryer
15 minutes of use (.38 kWh)
240V EV charger
3 hours of use (19.8 kWh)
Single speed pool pump
3 hours of use (4.2 kWh)
Variable speed pool pump
3 hours of use (.9 kWh)
Second refrigerator
24 hours of use (1.8 kWh)
Second refrigerator (HE)
24 hours of use (1.08 kWh)
Stand-alone freezer
24 hours of use (1.8 kWh)
Stand-alone freezer (HE)
24 hours of use (1.44 kWh)
October 1 - May 31
Estimated total daily cost
$0.00
$0.00
$0.00
Off-Peak
Peak
Peak times and pricing
Off-Peak
$0.1215 per kWh
Monday - Friday: Midnight - 5 PM and
8 PM - midnight
8 PM - midnight
Weekends and holidays
All day
All day
Peak
$0.1678 per kWh
Monday - Friday: 5 PM - 8 PM
Off-Peak
Peak
$0.1215 per kWh
Monday - Friday
Midnight - 5 PM and
8 PM - midnight
Midnight - 5 PM and
8 PM - midnight
Weekends and holidays
All day
All day
$0.1678 per kWh
Monday - Friday
5 PM - 8 PM
5 PM - 8 PM
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Each item's estimated use per day and the load run time for dishwashers, clothes washers and dryers are based on SMUD data and research.
| Appliance | Load run time assumption |
| Dishwasher (standard and high-efficiency) | 2 hours |
| Clothes washer (standard and high-efficiency) | 1 hour |
| Clothes dryer (standard and high-efficiency) | 45 minutes |
The Time-of-Day Cost Estimator is for illustrative purposes. We use wattage estimates based on our research. Your item’s actual wattage values may vary depending on age and features. To find exact wattage for your item, check your owner’s manual or data plate.
Looking for more cost savings tips? Check out our Energy Efficiency Home.