Northeast
Electricity costs in Connecticut
Residential customers in Connecticut pay an average of 27.37¢ per kWh — 44th cheapest of the 51 states and territories we track, and +48.4% against the national average.
Connecticut at a glance
Connecticut is among the three most expensive states in the country. New England depends on natural gas delivered through pipelines that hit capacity in winter, so cold snaps push generation costs sharply higher exactly when demand peaks. Retail supplier choice exists, so your contracted rate may differ from the state average. Winter heating dominates; summer cooling is short but increasingly significant.
Rate trend
2025-06 to 2026-05 · cents per kWh · 27.19¢ → 27.37¢
What appliances cost to run in Connecticut
Ranked by annual cost at typical usage and Connecticut’s average rate. Click through for the full calculation and to enter your own usage.
| Appliance | Watts | kWh/yr | Per month | Per year |
|---|---|---|---|---|
| Electric Furnace | 15000W | 14,783 | $337 | $4,046 |
| EV Charger (Level 2) | 7200W | 7,884 | $180 | $2,158 |
| Central Air Conditioner | 3500W | 6,643 | $152 | $1,818 |
| Heat Pump | 2400W | 5,256 | $120 | $1,439 |
| Space Heater | 1500W | 4,380 | $99.98 | $1,199 |
| Pool Pump | 1500W | 4,380 | $99.98 | $1,199 |
| Hot Tub | 1500W | 3,285 | $74.98 | $899 |
| Garage Heater | 5000W | 3,285 | $74.98 | $899 |
| Tankless Water Heater | 18000W | 2,628 | $59.99 | $719 |
| Electric Baseboard Heater | 1250W | 2,555 | $58.32 | $699 |
| Electric Water Heater | 4000W | 1,971 | $44.99 | $539 |
| Window Air Conditioner | 900W | 1,840 | $41.99 | $503 |
| Dehumidifier | 500W | 1,314 | $29.99 | $360 |
| Electric Clothes Dryer | 3000W | 931 | $21.25 | $255 |
| Slow Cooker | 200W | 584 | $13.33 | $160 |
| Chest Freezer | 200W | 526 | $12.00 | $144 |
| Electric Oven | 2400W | 526 | $12.00 | $144 |
| Electric Stovetop | 2000W | 511 | $11.66 | $140 |
| Refrigerator | 150W | 460 | $10.50 | $126 |
| Desktop Computer | 200W | 409 | $9.33 | $112 |
| Electric Lawn Mower | 1200W | 329 | $7.50 | $89.91 |
| Well Pump | 750W | 274 | $6.25 | $74.93 |
| Air Fryer | 1500W | 219 | $5.00 | $59.94 |
| Box Fan | 75W | 219 | $5.00 | $59.94 |
| Dishwasher | 1200W | 219 | $5.00 | $59.94 |
| Microwave | 1100W | 201 | $4.58 | $54.95 |
| Television | 100W | 183 | $4.17 | $49.95 |
| Ceiling Fan | 60W | 175 | $4.00 | $47.95 |
| Coffee Maker | 900W | 164 | $3.75 | $44.96 |
| Gaming Console | 150W | 164 | $3.75 | $44.96 |
| Electric Pressure Cooker | 1000W | 146 | $3.33 | $39.96 |
| Toaster Oven | 1400W | 123 | $2.80 | $33.57 |
| Laptop | 60W | 123 | $2.80 | $33.57 |
| Computer Monitor | 35W | 102 | $2.33 | $27.97 |
| Clothes Iron | 1100W | 100 | $2.29 | $27.47 |
| WiFi Router | 10W | 88 | $2.00 | $23.98 |
| Sump Pump | 800W | 88 | $2.00 | $23.98 |
| Washing Machine | 500W | 73 | $1.67 | $19.98 |
| Phone Charger | 6W | 7 | $0.15 | $1.80 |
| Printer | 50W | 5 | $0.10 | $1.25 |
These use typical wattages and usage hours, at Connecticut’s state average rate. Your own utility tariff, any time-of-use pricing and fixed service charges will shift the real figure. See our methodology.