Level 2 EV Charger (240V) in Honolulu — $5,513/yr to Run (42.5¢/kWh)
Your level 2 ev charger (240v) in Honolulu costs about $459/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
$18.38
43.2 kWh/day
Monthly Cost
$459.43
1080 kWh/mo
Annual Cost
$5,513
12,960 kWh/yr
Lifetime (15yr)
$82,698
energy only
Monthly Cost Breakdown in Honolulu
| Period | kWh | Honolulu Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 43.2 | $18.38 | $5.62 | +$12.76 |
| Weekly | 302.4 | $128.64 | $39.31 | +$89.33 |
| Monthly | 1080.0 | $459.43 | $140.40 | +$319.03 |
| Quarterly | 3240.0 | $1378.30 | $421.20 | +$957.10 |
| Annual | 12960.0 | $5513.18 | $1684.80 | +$3828.38 |
Customize Your Level 2 EV Charger (240V) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Honolulu.
Daily
$18.38
Monthly
$459.43
Annual
$5,513
15-Year
$82,698
Energy Saving Tips for Level 2 EV Charger (240V) in Honolulu
- ✓Honolulu electricity rates are 227% above the national average — energy efficiency matters more here.
- ✓A smart Level 2 EV Charger (240V) with scheduling optimization can save ~$1103/year at Honolulu rates.
- ✓Charge during off-peak hours
- ✓Set charging schedules
- ✓Use solar for daytime charging
Highest-Cost Appliances in Honolulu, HI
See which appliances cost the most to run at Honolulu's 42.5¢/kWh electricity rate.
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
Hot Tub / Spa
Pool & Spa · 3,000W
$1,531/yr
$127.62/mo
Level 2 EV Charger (240V) Cost in Other Hawaii Cities
| City | Rate | Annual Cost | vs Honolulu |
|---|---|---|---|
| Honolulu (current) | 42.5¢ | $5,513 | — |
| Maui | 41.5¢ | $5,384 | $-130 |
Level 2 EV Charger (240V) Energy Cost FAQ — Honolulu, HI
Understanding Level 2 EV Charger (240V) 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 high-draw appliance like the Level 2 EV Charger (240V) (7,200W) at Honolulu's rate of 42.5¢/kWh costs approximately $5,513 per year — $3828 more than the national average of $1,685.
Electricity in Honolulu is significantly more expensive than the national average — 227% higher. For a Level 2 EV Charger (240V) used 6 hours per day, this rate premium adds up to $3,828 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. While no ENERGY STAR version is available, a smart Level 2 EV Charger (240V) with automated scheduling can reduce consumption by 20%, saving $1,103/year.
In Honolulu's warm climate (avg 83.7°F), HVAC-related appliances tend to run more frequently, compounding energy costs. A Level 2 EV Charger (240V) produces approximately 9.2 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 a Level 2 EV Charger (240V) in Honolulu, HI?
At Honolulu's average electricity rate of 42.5¢/kWh, a Level 2 EV Charger (240V) costs approximately $5,513 per year to run. That's about $459.43 per month with typical usage of 6 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 a Level 2 EV Charger (240V) use per year?
A Level 2 EV Charger (240V) uses approximately 7,200 watts and consumes about 12,960 kWh per year with typical usage of 6 hours/day for 300 days/year.
Is a Level 2 EV Charger (240V) expensive to run in Honolulu?
Compared to the national average cost of $1,685/year, running a Level 2 EV Charger (240V) in Honolulu costs $3828 more per year due to higher local electricity rates.
How can I reduce my Level 2 EV Charger (240V) energy cost in Honolulu?
To reduce Level 2 EV Charger (240V) costs in Honolulu: Charge during off-peak hours. Set charging schedules. Consider using a smart plug to monitor and optimize usage. Also check with Hawaiian Electric (HECO) for local energy efficiency rebates and programs.