কীভাবে EV Home Charging Cost গণনা করবেন
EV Home Charging Cost কি?
An EV home charging cost calculator estimates the electricity cost and time to charge an electric vehicle at home from a given battery level to a target level, using a standard 7.4kW home charger.
সূত্র
cost_per_charge = battery_kwh × electricity_rate ($/kWh); cost_per_mile = cost_per_charge / range_miles
- kwh
- Battery size (kWh) — Vehicle battery capacity (e.g., 60 kWh)
- rate
- Electricity rate ($/kWh) — Grid electricity price (typically 0.12–0.18 $/kWh)
- range
- Range (miles) — Miles per full charge
- cost
- Cost per charge ($) — Total to fully charge battery
ধাপে ধাপে নির্দেশিকা
- 1Energy needed = Battery capacity × (target% − current%) ÷ 100
- 2Cost = Energy (kWh) × electricity tariff ($/kWh)
- 3Charge time = Energy needed ÷ charger power (kW)
- 4Standard home charger: 7.4kW (32A single phase)
সমাধান করা উদাহরণ
ইনপুট
Tesla Model 3 (75kWh), 20%→80%, $0.30/kWh
ফলাফল
45kWh added, cost $13.50, ~6h 5min charging
ইনপুট
Nissan Leaf (40kWh), 10%→100%
ফলাফল
36kWh, cost $10.80, ~4h 52min
ইনপুট
Full charge daily, 30kWh needed
ফলাফল
$9/day = $270/month at $0.30/kWh
সচরাচর জিজ্ঞাসা
How much does it cost to charge an EV?
60 kWh battery × $0.14/kWh = $8.40 full charge. At 250 mi range = $0.034/mile fuel cost (vs. gas: $0.10–0.15/mile).
What about charging at home vs. public chargers?
Home (Level 2): cheapest (~$0.12/kWh). Public DC fast chargers: 2–3× more ($0.30+/kWh) but faster.
Is there a federal EV tax credit?
US: up to $7,500 for new EVs (income/price caps apply). Some states add rebates. Check eligibility.
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