How Much Does It Cost to Charge a Hyundai Ioniq 5 at Home in 2026?
Charging a Hyundai Ioniq 5 at home costs between $12 and $14 for a full charge at the US average electricity rate of $0.16 per kWh. That works out to roughly $0.045 per mile — about 60% cheaper than gasoline for a comparable crossover.
The real number depends on your state’s electricity rate, your charger type, and whether you’re on a time-of-use plan. Below is the actual math, with the data sources so you can check it for your situation.
The Base Calculation
The Hyundai Ioniq 5 has a 77.4 kWh battery pack (per Hyundai’s official spec page). At the US average residential electricity rate of $0.16/kWh (EIA, 2026), a full charge from empty to 100% costs:
77.4 kWh × $0.16/kWh = $12.38 (before charging losses)
Charging is not 100% efficient — typical Level 2 home charging loses about 10% to heat and conversion. So the actual electricity drawn from your panel is closer to 86 kWh, making the real cost:
77.4 kWh ÷ 0.90 efficiency × $0.16/kWh = $13.76
Most owners don’t charge from empty to full daily. If you drive 40 miles/day and the Ioniq 5 gets ~3.3 miles/kWh, you’re adding about 12 kWh per day — roughly $2.13/day or $64/month.
Cost by State (Selected)
Electricity rates vary dramatically by state. Using EIA residential rate data:
| State | Avg Rate ($/kWh) | Full Charge Cost | Cost per Mile |
|---|---|---|---|
| Louisiana | $0.12 | $10.32 | $0.036 |
| Washington | $0.11 | $9.46 | $0.033 |
| California | $0.27 | $23.22 | $0.082 |
| Hawaii | $0.41 | $35.26 | $0.124 |
| US Average | $0.16 | $13.76 | $0.048 |
An Ioniq 5 owner in Louisiana pays less than half what a California owner pays for the same charge.
Time-of-Use Plans Can Cut Costs 40-60%
Many utility companies offer time-of-use (TOU) plans where electricity is cheaper during off-peak hours (typically 11 PM – 5 AM). If you charge overnight on a TOU plan:
- Off-peak rate can drop to $0.08–$0.12/kWh (vs. $0.16 average)
- Full charge cost drops to $6.88–$10.32
- Annual savings (12,000 miles): $300–$500
The Ioniq 5 supports scheduled charging through its infotainment system and the Hyundai Bluelink app — you can set it to start during off-peak hours automatically.
Level 1 vs Level 2: Does Charger Type Affect Cost?
The charger type affects speed, not the per-kWh cost:
- Level 1 (120V standard outlet): ~3-4 miles of range per hour. Same $/kWh, just slower.
- Level 2 (240V, like a dryer outlet): ~25-30 miles of range per hour. Same $/kWh, much faster.
The electricity costs the same either way. Level 2 is recommended for convenience — the Ioniq 5 can recover a full day’s driving in about 2 hours on a Level 2 charger.
The Ioniq 5’s Charging Advantage: 800V Architecture
Unlike most EVs in its price range, the Ioniq 5 uses an 800V electrical architecture (same as the Porsche Taycan). This doesn’t affect home charging costs, but it dramatically improves DC fast charging:
- 10% to 80% in 18 minutes on a 350 kW DC fast charger
- Most competitors need 30-40 minutes for the same charge
This matters for road trips, not home charging — but it’s a key differentiator when comparing the Ioniq 5 to other EVs.
Installation Cost for Home Charging
A Level 2 home charger installation typically costs $1,200–$2,000 total (hardware + electrician + permit). Hyundai doesn’t make its own wall charger, but any J1772-compatible Level 2 charger works with the Ioniq 5. Popular options include the ChargePoint Home Flex, JuiceBox 40, and Grizzl-E.
There’s a federal tax credit (30C) covering 30% of installation costs up to $1,000 — but it’s currently set to expire June 30, 2026. Factor this into your timeline if you’re planning an installation.
Bottom Line
For most US Ioniq 5 owners, home charging costs $40–$70 per month for typical driving — a fraction of what gasoline would cost for the same mileage. The biggest variable is your local electricity rate, so check your utility’s rate sheet and ask about EV time-of-use plans. The Ioniq 5’s 800V architecture also makes it one of the fastest-charging EVs on the road, which is a bonus for road trips.