Appliance Electricity Costs in Maryland
These estimates use May 2026 EIA residential electricity rates for Maryland: 21.77 cents/kWh.
| Appliance | Typical watts | Hours/day | Monthly cost |
|---|---|---|---|
| Space Heater | 1,500 W | 4 | $39.19 |
| Oil-Filled Radiator | 1,200 W | 5 | $39.19 |
| Electric Fireplace | 1,500 W | 4 | $39.19 |
| Window AC | 900 W | 8 | $47.02 |
| Portable AC | 1,200 W | 8 | $62.70 |
| Central AC | 3,500 W | 6 | $137.15 |
| Mini Split Heat Pump | 1,200 W | 8 | $62.70 |
| Ceiling Fan | 50 W | 12 | $3.92 |
| Box Fan | 75 W | 12 | $5.88 |
| Dehumidifier | 600 W | 12 | $47.02 |
| Humidifier | 80 W | 8 | $4.18 |
| Air Purifier | 50 W | 24 | $7.84 |
| Hot Tub | 4,500 W | 2 | $58.78 |
| Pool Pump | 1,500 W | 8 | $78.37 |
| Aquarium Heater | 150 W | 24 | $23.51 |
| Aquarium Filter | 20 W | 24 | $3.13 |
| LED Grow Light | 300 W | 12 | $23.51 |
| Incandescent Light Bulb | 60 W | 5 | $1.96 |
| LED Light Bulb | 10 W | 5 | $0.33 |
| Christmas Lights | 150 W | 6 | $5.88 |
| EV Level 1 Charger | 1,400 W | 8 | $73.15 |
| EV Level 2 Charger | 7,200 W | 3 | $141.07 |
| Electric Bike Charger | 250 W | 3 | $4.90 |
| Refrigerator | 150 W | 24 | $23.51 |
| Chest Freezer | 120 W | 24 | $18.81 |
| Upright Freezer | 180 W | 24 | $28.21 |
| Dishwasher | 1,500 W | 1 | $9.80 |
| Electric Oven | 3,000 W | 1 | $19.59 |
| Toaster Oven | 1,200 W | 0.5 | $3.92 |
| Microwave | 1,100 W | 0.25 | $1.80 |
| Coffee Maker | 1,000 W | 0.3 | $1.96 |
| Electric Kettle | 1,500 W | 0.2 | $1.96 |
| Slow Cooker | 250 W | 8 | $13.06 |
| Air Fryer | 1,500 W | 0.5 | $4.90 |
| Instant Pot | 1,000 W | 0.7 | $4.57 |
| Clothes Dryer | 4,000 W | 1 | $26.12 |
| Washing Machine | 700 W | 0.5 | $2.29 |
| Clothes Iron | 1,200 W | 0.3 | $2.35 |
| Hair Dryer | 1,600 W | 0.2 | $2.09 |
| Electric Water Heater | 4,500 W | 3 | $88.17 |
| Tankless Electric Water Heater | 12,000 W | 0.5 | $39.19 |
| Well Pump | 1,000 W | 1 | $6.53 |
| Sump Pump | 800 W | 0.5 | $2.61 |
| Garage Door Opener | 500 W | 0.1 | $0.33 |
| Security Camera | 6 W | 24 | $0.94 |
| Wi-Fi Router | 12 W | 24 | $1.88 |
| Cable Box | 25 W | 24 | $3.92 |
| Gaming PC | 600 W | 4 | $15.67 |
| Desktop Computer | 200 W | 8 | $10.45 |
| Laptop | 60 W | 8 | $3.13 |
| Computer Monitor | 40 W | 8 | $2.09 |
| LED TV | 120 W | 5 | $3.92 |
| Game Console | 160 W | 4 | $4.18 |
| Printer | 30 W | 0.5 | $0.10 |
| Phone Charger | 10 W | 3 | $0.20 |
| Heated Blanket | 120 W | 8 | $6.27 |
| Electric Mattress Pad | 80 W | 8 | $4.18 |
| CPAP Machine | 60 W | 8 | $3.13 |
| Treadmill | 800 W | 1 | $5.22 |
| Electric Sauna | 6,000 W | 1 | $39.19 |