EV Charger (Level 2) in Honolulu — $2,757/yr to Run (42.5¢/kWh)
Your ev charger (level 2) in Honolulu costs about $230/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
$9.19
21.6 kWh/day
Monthly Cost
$229.72
540 kWh/mo
Annual Cost
$2,757
6,480 kWh/yr
Lifetime (15yr)
$41,349
energy only
Monthly Cost Breakdown in Honolulu
| Period | kWh | Honolulu Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 21.6 | $9.19 | $2.81 | +$6.38 |
| Weekly | 151.2 | $64.32 | $19.66 | +$44.66 |
| Monthly | 540.0 | $229.72 | $70.20 | +$159.52 |
| Quarterly | 1620.0 | $689.15 | $210.60 | +$478.55 |
| Annual | 6480.0 | $2756.59 | $842.40 | +$1914.19 |
Customize Your EV Charger (Level 2) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Honolulu.
Daily
$9.19
Monthly
$229.72
Annual
$2,757
15-Year
$41,349
Energy Saving Tips for EV Charger (Level 2) in Honolulu
- ✓Honolulu electricity rates are 227% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR EV Charger (Level 2) in Honolulu saves ~$276/year compared to standard models.
- ✓A smart EV Charger (Level 2) with scheduling optimization can save ~$827/year at Honolulu rates.
- ✓Charge during off-peak electricity hours
- ✓Set charge limit to 80% for battery health
- ✓Use smart scheduling features
ENERGY STAR Savings: Upgrading to an ENERGY STAR EV Charger (Level 2) in Honolulu saves approximately $276/year at local rates — $4,135 over the appliance lifetime.
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
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
EV Charger (Level 2) Cost in Other Hawaii Cities
| City | Rate | Annual Cost | vs Honolulu |
|---|---|---|---|
| Honolulu (current) | 42.5¢ | $2,757 | — |
| Maui | 41.5¢ | $2,692 | $-65 |
EV Charger (Level 2) Energy Cost FAQ — Honolulu, HI
Understanding EV Charger (Level 2) 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 EV Charger (Level 2) (7,200W) at Honolulu's rate of 42.5¢/kWh costs approximately $2,757 per year — $1914 more than the national average of $842.
Electricity in Honolulu is significantly more expensive than the national average — 227% higher. For a EV Charger (Level 2) used 3 hours per day, this rate premium adds up to $1,914 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. Upgrading to an ENERGY STAR EV Charger (Level 2) can cut energy use by up to 10%, saving approximately $276 per year at Honolulu rates.
In Honolulu's warm climate (avg 83.7°F), HVAC-related appliances tend to run more frequently, compounding energy costs. A EV Charger (Level 2) produces approximately 4.63 tons of CO2 annually at typical usage. Honolulu residents can reduce this footprint by choosing an ENERGY STAR certified unit, 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 EV Charger (Level 2) in Honolulu, HI?
At Honolulu's average electricity rate of 42.5¢/kWh, an EV Charger (Level 2) costs approximately $2,757 per year to run. That's about $229.72 per month with typical usage of 3 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 EV Charger (Level 2) use per year?
A EV Charger (Level 2) uses approximately 7,200 watts and consumes about 6,480 kWh per year with typical usage of 3 hours/day for 300 days/year.
Is an EV Charger (Level 2) expensive to run in Honolulu?
Compared to the national average cost of $842/year, running an EV Charger (Level 2) in Honolulu costs $1914 more per year due to higher local electricity rates.
How can I reduce my EV Charger (Level 2) energy cost in Honolulu?
To reduce EV Charger (Level 2) costs in Honolulu: Charge during off-peak electricity hours. Set charge limit to 80% for battery health. Upgrading to an ENERGY STAR model saves up to 10% on energy costs. Also check with Hawaiian Electric (HECO) for local energy efficiency rebates and programs.