Electric Toothbrush (Charger) in Honolulu — $7/yr to Run (42.5¢/kWh)
Your electric toothbrush (charger) in Honolulu costs about $1/month at 42.5¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Honolulu, HI Electricity Rate
42.5¢/kWh
Utility: Hawaiian Electric (HECO)
+227% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$0.02
0.0 kWh/day
Monthly Cost
$0.62
1 kWh/mo
Annual Cost
$7
18 kWh/yr
Lifetime (5yr)
$37
energy only
Monthly Cost Breakdown in Honolulu
| Period | kWh | Honolulu Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 0.0 | $0.02 | $0.01 | +$0.01 |
| Weekly | 0.3 | $0.14 | $0.04 | +$0.10 |
| Monthly | 1.5 | $0.62 | $0.19 | +$0.43 |
| Quarterly | 4.4 | $1.86 | $0.57 | +$1.29 |
| Annual | 17.5 | $7.45 | $2.28 | +$5.18 |
Customize Your Electric Toothbrush (Charger) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Honolulu.
Daily
$0.02
Monthly
$0.62
Annual
$7
5-Year
$37
Energy Saving Tips for Electric Toothbrush (Charger) in Honolulu
- ✓Honolulu electricity rates are 227% above the national average — energy efficiency matters more here.
- ✓Charge only when battery is low
- ✓Unplug charger when brush is full
- ✓Replace heads every 3 months
Highest-Cost Appliances in Honolulu, HI
See which appliances cost the most to run at Honolulu's 42.5¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$5,513/yr
$459.43/mo
Electric Furnace
HVAC · 10,000W
$3,829/yr
$319.05/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$2,795/yr
$232.91/mo
EV Charger (Level 2)
Garage · 7,200W
$2,757/yr
$229.72/mo
Boiler (Electric)
HVAC · 6,000W
$2,297/yr
$191.43/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$2,096/yr
$174.68/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$2,096/yr
$174.68/mo
Heat Pump
HVAC · 2,400W
$1,634/yr
$136.13/mo
Electric Toothbrush (Charger) Cost in Other Hawaii Cities
| City | Rate | Annual Cost | vs Honolulu |
|---|---|---|---|
| Honolulu (current) | 42.5¢ | $7 | — |
| Maui | 41.5¢ | $7 | $-0 |
Electric Toothbrush (Charger) Energy Cost FAQ — Honolulu, HI
Understanding Electric Toothbrush (Charger) Energy Costs in Honolulu, HI
Honolulu is a mid-sized Hawaii city where residential electricity rates from Hawaiian Electric (HECO) are shaped by regional energy supply and local demand patterns. Running a low-draw appliance like the Electric Toothbrush (Charger) (2W) at Honolulu's rate of 42.5¢/kWh costs approximately $7 per year — $5 more than the national average of $2.
Electricity in Honolulu is significantly more expensive than the national average — 227% higher. For a Electric Toothbrush (Charger) used 24 hours per day, this rate premium adds up to $5 in extra annual costs. Energy-efficient models and usage habits have an outsized impact in high-rate markets like this.
Honolulu has a high cost of living (index: 193), which means electricity is just one of many above-average expenses. Reducing appliance energy costs — even by small amounts — contributes to meaningful household savings in this market. Since no ENERGY STAR or smart version is currently available for this appliance, reducing usage hours is the primary way to cut costs.
In Honolulu's warm climate (avg 83.7°F), HVAC-related appliances tend to run more frequently, compounding energy costs. A Electric Toothbrush (Charger) produces approximately 0.01 tons of CO2 annually at typical usage. Honolulu residents can reduce this footprint by optimizing usage patterns, or investing in solar — see our solar savings calculator for Honolulu.
Compare All Energy Costs in Honolulu
See energy costs for 178+ household appliances at Honolulu's local electricity rate.
Frequently Asked Questions
How much does it cost to run an Electric Toothbrush (Charger) in Honolulu, HI?
At Honolulu's average electricity rate of 42.5¢/kWh, an Electric Toothbrush (Charger) costs approximately $7 per year to run. That's about $0.62 per month with typical usage of 24 hours per day.
What is the electricity rate in Honolulu, HI?
The average residential electricity rate in Honolulu, HI is 42.5¢/kWh, which is 227% above the national average of 13.0¢/kWh. The primary utility provider is Hawaiian Electric (HECO).
How much electricity does an Electric Toothbrush (Charger) use per year?
A Electric Toothbrush (Charger) uses approximately 2 watts and consumes about 18 kWh per year with typical usage of 24 hours/day for 365 days/year.
Is an Electric Toothbrush (Charger) expensive to run in Honolulu?
Compared to the national average cost of $2/year, running an Electric Toothbrush (Charger) in Honolulu costs $5 more per year due to higher local electricity rates.
How can I reduce my Electric Toothbrush (Charger) energy cost in Honolulu?
To reduce Electric Toothbrush (Charger) costs in Honolulu: Charge only when battery is low. Unplug charger when brush is full. Consider using a smart plug to monitor and optimize usage. Also check with Hawaiian Electric (HECO) for local energy efficiency rebates and programs.