Billowatt

Electricity Costs in Connecticut

Connecticut residents pay an average of 27.4¢ per kilowatt-hour as of May 2026 — the 44th cheapest of the 51 U.S. jurisdictions we track, 49% above the national average. For a typical home using 885 kWh a month, that's a bill of about $242.

Average rate

27.4¢

per kWh, residential

U.S. rank

44th

cheapest of 51

vs. U.S. average

+49%

national: 18.4¢/kWh

Change vs. last year

-1.8%

was 27.9¢/kWh

The most expensive things to run in Connecticut

Monthly cost at typical usage and Connecticut's current rate.

Running costs for every appliance

Appliance Per day Per month Per year
Electric Furnace $16.44 $500 $6,001
Central Air Conditioner $7.67 $233 $2,800
Heat Pump $6.58 $200 $2,400
Pool Heater (Heat Pump) $5.48 $167 $2,000
Garage Heater $4.11 $125 $1,500
Electric Water Heater $3.58 $109 $1,305
Tankless Electric Water Heater $3.45 $105 $1,260
Space Heater $3.29 $99.96 $1,200
Baseboard Heater $3.29 $99.96 $1,200
Oil-Filled Radiator Heater $3.29 $99.96 $1,200
Pool Pump $3.29 $99.96 $1,200
EV Charging (Level 2, Home) $2.74 $83.30 $1,000
Infrared Heater $2.63 $79.96 $960
Portable Air Conditioner $2.19 $66.64 $800
Window Air Conditioner $1.97 $59.97 $720
Oxygen Concentrator $1.97 $59.97 $720
Electric Fireplace $1.92 $58.31 $700
Ductless Mini-Split $1.75 $53.31 $640
Electric Wall Heater $1.64 $49.98 $600
Dehumidifier $1.37 $41.65 $500
Hot Tub $1.36 $41.23 $495
Grow Light $1.15 $34.98 $420
Furnace Blower Fan (Gas Furnace) $1.10 $33.32 $400
Food Dehydrator $1.10 $33.32 $400
Refrigerator $0.99 $29.99 $360
Evaporative (Swamp) Cooler $0.88 $26.65 $320
Pellet Stove $0.82 $24.99 $300
Heat Pump Water Heater $0.82 $24.99 $300
Upright Freezer $0.79 $23.99 $288
Electric Oven $0.66 $19.99 $240
Aquarium $0.66 $19.99 $240
Home Server / Homelab $0.66 $19.99 $240
Chest Freezer $0.59 $17.99 $216
Electric Dryer $0.59 $17.85 $214
Well Pump $0.55 $16.66 $200
Gaming PC $0.51 $15.49 $186
Home Sauna $0.47 $14.28 $171
Electric Stove Burner $0.41 $12.49 $150
Mini Fridge $0.39 $11.99 $144
Starlink Dish $0.39 $11.99 $144
Induction Cooktop $0.38 $11.66 $140
Desktop Computer $0.34 $10.30 $124
Electric Blanket $0.33 $10.00 $120
Reptile Heat Lamp / Terrarium $0.33 $10.00 $120
Air Purifier $0.26 $8.00 $96.01
Heat Pump Dryer $0.25 $7.73 $92.87
Dishwasher $0.23 $7.14 $85.72
75-Inch TV $0.21 $6.33 $75.96
Air Fryer $0.21 $6.25 $75.01
OLED TV $0.17 $5.08 $60.96
Box Fan $0.16 $5.00 $60.01
Toaster Oven $0.16 $5.00 $60.01
Game Console (PS5 / Xbox Series X) $0.16 $4.76 $57.16
65-Inch TV $0.15 $4.66 $55.96
Ceiling Fan $0.13 $4.00 $48.00
Tower Fan $0.13 $4.00 $48.00
Cable / Satellite Box $0.13 $4.00 $48.00
Slow Cooker $0.12 $3.57 $42.86
55-Inch TV $0.11 $3.41 $40.95
Humidifier $0.11 $3.33 $40.00
Electric Pressure Cooker (Instant Pot) $0.11 $3.33 $40.00
Laptop $0.10 $3.00 $36.00
CPAP Machine 8.8¢ $2.67 $32.00
Incandescent Bulb 8.2¢ $2.50 $30.00
Christmas Lights 8.2¢ $2.50 $30.00
Wi-Fi Router 7.9¢ $2.40 $28.80
Washing Machine 7.8¢ $2.38 $28.57
E-Bike Charging 7.8¢ $2.38 $28.57
Treadmill 7.8¢ $2.38 $28.57
Microwave 7.5¢ $2.29 $27.50
3D Printer 7.0¢ $2.14 $25.72
Computer Monitor 6.8¢ $2.07 $24.80
Electric Lawn Mower 5.9¢ $1.78 $21.43
Hair Dryer 5.5¢ $1.67 $20.00
Electric Kettle 4.3¢ $1.31 $15.72
Coffee Maker 3.3¢ $1.00 $12.00
Security Camera (Wired) 3.3¢ $1.00 $12.00
Vacuum Cleaner 3.1¢ $0.95 $11.43
Robot Vacuum 1.6¢ $0.50 $6.00
LED Light Bulb 1.2¢ $0.37 $4.50
Phone Charger 0.5¢ $0.15 $1.80

Rates across the Northeast

State Rate (¢/kWh) Typical monthly bill
Pennsylvania 21.6 $191
New Jersey 23.3 $206
Vermont 24.9 $220
New Hampshire 27.3 $242
Connecticut 27.4 $242
Maine 28.6 $253
Massachusetts 28.8 $255
Rhode Island 29.5 $261
New York 29.9 $265
Northeast average 26.8 $237

Frequently asked questions

How much does electricity cost in Connecticut?

The average residential electricity rate in Connecticut is 27.4¢ per kWh as of May 2026. For a typical home using 885 kWh per month, that's an electric bill of about $242.

Is electricity expensive in Connecticut?

Yes, relatively — Connecticut ranks 8th most expensive of 51 U.S. jurisdictions, about 49% above the national average of 18.4¢/kWh.

Are electricity rates in Connecticut going up?

They've actually eased slightly — down about 2% versus a year ago (27.9¢ → 27.4¢ per kWh).

What uses the most electricity in a home?

Heating and cooling typically lead, followed by water heating, then the clothes dryer, refrigeration, and always-on electronics. Our bill analyzer breaks this down for your own set of appliances at your state’s rate.

Wondering why your bill jumped? Read Why Is My Electric Bill So High? or estimate your whole home with the bill analyzer.