Running Cost Breakdown: EV Level 1 Charger (120V / 12A)
A standard EV Level 1 Charger (120V / 12A) is typically rated at 1440 Watts. Based on the US residential average electricity rate ($0.168/kWh), running this appliance costs approximately $0.24 per hour of active operation, $2.42 per day (at 10 hours/day), and $72.58 per month added to your electric bill.
Duty Cycle and Power Consumption
Appliances equipped with thermostats or compressors cycle on and off automatically. This EV Level 1 Charger (120V / 12A) is modeled with an estimated 100% duty cycle. While its peak nameplate draw is 1440W, its effective hourly draw averages roughly 1440W.
Frequently Asked Questions
How can I lower the operating cost of this appliance?
Adjust the thermostat setpoint by 1–2 degrees, ensure air filters and vents are unobstructed, and utilize scheduled shutoffs during peak-rate utility billing periods.
How accurate is this estimate?
Calculations use nominal manufacturer ratings. Exact costs vary depending on real-time voltage fluctuations, ambient room temperature, device age, and your local utility tariff tier.