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ID · ranked #51 in the US

Idaho residential rate: 11.3¢/kWh

That's 32% lower than the US average of 16.5¢/kWh. Columbia River hydropower keeps rates the lowest in the nation; dual-peak grid with summer cooling in the Treasure Valley and winter heating in the mountains.

Estimated cost

$38.14/month
$1.27 per day$464.01 per year337.5 kWh monthly
W

A space heater draws full power only while the thermostat/compressor is running — about 7.5 effective hours at 1500W across your 10-hour window.

At your rate

What appliances cost in Idaho.

Typical monthly running cost at 11.3¢/kWh, sorted by biggest impact on your bill.

ApplianceWattsMonthlyYearly
Electric Furnace20000W$216.96$2,639.68
Central Air Conditioner3500W$116.28$1,414.70
EV Charger Level 2 (240V)7200W$73.22$890.89
Electric Pool Heater/Heat Pump5000W$71.19$866.15
Heat Pump (Air-Source)2500W$55.94$680.54
EV Charger Level 1 (120V)1400W$47.46$577.43
Single-Speed Pool Pump1500W$40.68$494.94
Space Heater1500W$38.14$464.01
Infrared Heater1500W$30.51$371.21
Oil-Filled Radiator1500W$30.51$371.21
Electric Baseboard Heater1500W$27.97$340.27
Crawlspace Dehumidifier600W$25.63$311.81
Portable Air Conditioner1100W$19.39$235.92
Ductless Mini-Split900W$18.31$222.72
Window Air Conditioner900W$14.64$178.18
Ceramic Heater1500W$14.24$173.23
Dehumidifier500W$14.24$173.23
Gas Furnace (Electric Blower)600W$10.17$123.74
Electric Clothes Dryer3000W$10.17$123.74
Electric Water Heater (Tank)4500W$9.15$111.36
Compact (240V) Dryer2400W$8.14$98.99
Pond / Fountain Pump100W$8.14$98.99
Variable-Speed Pool Pump500W$6.78$82.49
Heated Drying Rack200W$5.42$65.99
Desktop PC (Office/Home)150W$4.58$55.68
Gaming PC (High-End)450W$4.58$55.68
Boiler (Circulator Pump + Controls)200W$4.07$49.49
Dishwasher1200W$4.07$49.49
Heat Pump Dryer800W$4.07$49.49
Indoor Grow Light (LED)100W$4.07$49.49
Refrigerator150W$4.03$49.00
Upright Freezer130W$3.70$45.04
Attic Fan300W$3.66$44.54
Whole-House Fan450W$3.66$44.54
Hot Water Recirculating Pump45W$3.66$44.54
Air Purifier40W$3.25$39.60
Electric Range/Stove2500W$3.18$38.67
Induction Cooktop1800W$3.05$37.12
Tankless Electric Water Heater18000W$3.05$37.12
Attic Exhaust Fan (Passive-Intake)300W$3.05$37.12
Deep Fryer1700W$2.88$35.06
Heat Pump Water Heater550W$2.80$34.03
Box Fan100W$2.71$33.00
Slow Cooker / Crock-Pot200W$2.71$33.00
Home Theater Projector250W$2.54$30.93
Hot Tub / Spa1500W$2.54$30.93
Chest Freezer100W$2.44$29.70
Cable/Satellite Box (DVR)30W$2.44$29.70
NAS (Network-Attached Storage)30W$2.44$29.70
Mini Fridge85W$2.42$29.45
OLED TV (65-inch)170W$2.31$28.05
Wine Cooler90W$2.20$26.73
PlayStation 5200W$2.03$24.75
Treadmill750W$1.91$23.20
Electric Leaf Blower1100W$1.86$22.68
Electric Hot Plate1200W$1.83$22.27
OLED TV (55-inch)130W$1.76$21.45
Microwave Oven1000W$1.70$20.62
Incandescent Bulb (100W)100W$1.70$20.62
Sous Vide Cooker800W$1.63$19.80
Countertop Ice Maker150W$1.63$19.80
Xbox Series X/S160W$1.63$19.80
LED TV (65-inch)115W$1.56$18.97
Laptop50W$1.53$18.56
32-inch Monitor45W$1.37$16.70
Electric Blanket100W$1.36$16.50
Instant Pot / Electric Pressure Cooker1000W$1.36$16.50
Gas Clothes Dryer (Electric Blower)400W$1.36$16.50
Electric Griddle1500W$1.27$15.47
Electric Wok1500W$1.27$15.47
Ceiling Fan60W$1.22$14.85
UPS (Uninterruptible Power Supply)15W$1.22$14.85
Landscape / Path Lights60W$1.22$14.85
Air Fryer1500W$1.14$13.92
Humidifier50W$1.08$13.20
LED TV (55-inch)80W$1.08$13.20
Tower Fan50W$1.02$12.37
A/V Receiver100W$1.02$12.37
Home Theater in a Box100W$1.02$12.37
Incandescent Bulb (60W)60W$1.02$12.37
Elliptical Trainer400W$1.02$12.37
Waffle Iron1100W$0.93$11.34
27-inch Monitor30W$0.92$11.14
Hair Dryer1800W$0.92$11.14
Washing Machine (Top Load)500W$0.85$10.31
Toaster Oven1400W$0.83$10.11
Powered Bookshelf Speakers40W$0.81$9.90
Holiday String Lights (Incandescent)40W$0.81$9.90
Aquarium Light30W$0.81$9.90
Wi-Fi Router10W$0.81$9.90
Cable/DSL Modem10W$0.81$9.90
Electric Lawn Mower1500W$0.76$9.28
Chandelier (Multi-Bulb Fixture)72W$0.73$8.91
Desk Fan25W$0.68$8.25
Yogurt Maker25W$0.68$8.25
Halogen Bulb50W$0.68$8.25
Smart Display (Echo Show / Nest Hub)8W$0.65$7.92
External Hard Drive8W$0.65$7.92
Mesh Wi-Fi Node (per node)8W$0.65$7.92
Security System Panel8W$0.65$7.92
Indoor Electric Grill1500W$0.61$7.42
Powered Subwoofer60W$0.61$7.42
Washing Machine (Front Load)350W$0.59$7.22
Electric Kettle1500W$0.51$6.19
Central Vacuum System1500W$0.51$6.19
3D Printer (FDM)120W$0.49$5.94
Outdoor Porch/Wall Light12W$0.49$5.94
Rice Cooker500W$0.47$5.77
Bread Machine550W$0.47$5.67
Fluorescent Tube (4-ft T8)32W$0.43$5.28
Gas Range (Electric Ignition)400W$0.41$4.95
Soundbar30W$0.41$4.95
Security Camera (Wired)5W$0.41$4.95
Ethernet Switch (8-port)5W$0.41$4.95
Electric Shaver (Charging)5W$0.41$4.95
Smart Speaker (Echo / HomePod)4W$0.33$3.96
Video Doorbell4W$0.33$3.96
Sprinkler Controller4W$0.33$3.96
Toaster850W$0.29$3.51
LED Garage/Shop Light40W$0.27$3.30
Range Hood150W$0.25$3.09
Smart Thermostat3W$0.24$2.97
Clothes Iron1200W$0.24$2.97
Recessed Can Light12W$0.24$2.97
Doorbell Transformer3W$0.24$2.97
Food Processor700W$0.24$2.89
Drip Coffee Maker900W$0.23$2.78
Electric Pressure Washer1600W$0.22$2.64
Popcorn Maker1200W$0.20$2.47
LED Bulb (12W, 75W equivalent)12W$0.20$2.47
LED Light Strip (5m)15W$0.20$2.47
Electric String Trimmer600W$0.20$2.47
Well Pump1100W$0.19$2.27
Espresso Machine1350W$0.18$2.23
Exercise Bike / Peloton100W$0.17$2.06
Electric Toothbrush Charger2W$0.16$1.98
LED Bulb (9W, 60W equivalent)9W$0.15$1.86
Smart LED Bulb9W$0.15$1.86
Floor Lamp15W$0.15$1.86
Clothes Steamer1500W$0.13$1.55
Nintendo Switch18W$0.12$1.48
Stand Mixer325W$0.11$1.34
Blu-ray Player15W$0.10$1.24
VR Headset (Charging + Play)15W$0.10$1.24
Security Flood Light30W$0.10$1.24
Holiday String Lights (LED)5W$0.10$1.24
CFL Bulb (13W, 60W equivalent)13W$0.09$1.07
Heated Mattress Pad120W$0.08$0.99
Ventless Gas Heater (Electric Ignition)15W$0.08$0.99
Motion Sensor Light Switch1W$0.08$0.99
Juicer400W$0.07$0.82
Blender600W$0.06$0.74
Tablet Charger15W$0.06$0.74
Streaming Device (Roku/Fire TV/Apple TV)4W$0.05$0.66
Phone Charger5W$0.05$0.66
Soldering Iron/Station60W$0.05$0.62
Curling Iron / Flat Iron75W$0.05$0.62
Paper Shredder250W$0.04$0.52
Garbage Disposal550W$0.04$0.45
Hand Mixer200W$0.03$0.41
Record Player / Turntable10W$0.03$0.41
Table Lamp10W$0.03$0.41
Sump Pump800W$0.03$0.33
Immersion Blender250W$0.03$0.31
Laser Printer500W$0.02$0.21
Rowing Machine8W$0.01$0.16
Inkjet Printer15W$0.01$0.06
Electric Can Opener70W$0.00$0.03
Flatbed/Document Scanner25W$0.00$0.02
Garage Door Opener350W$0.00$0.00

Utilities serving Idaho

  • Idaho Power
  • Avista Utilities
  • Rocky Mountain Power

Deregulation status

none

In Idaho your utility is both the supplier and the deliverer. No supplier shopping, but regulated rates tend to be more stable.

Sources: www.eia.gov · puc.idaho.gov

Last updated: 2026-04-13