Electric Consumer

Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA retail sales, OpenEI URDB · How we got these numbers · Report an error

EV charging in Idaho: stations, EVs and home cost

$4.47to charge 100 miles at home in Idaho, rank 2 of 51 (1 = cheapest)

Charging 100 miles at home costs $4.47 at 11.82 ¢ per kWh; a 23 mpg gasoline car costs $19.50 at $4.49 a gallon (4.4 times), so 13,476 miles saves $2,026 a year. Idaho has 257 public charging stations, 88 of them with DC fast ports: 14 per 100,000 residents (rank 39) and 4.3 per 1,000 road miles (rank 39). 14,100 battery electric and 6,700 plug-in hybrid cars were registered in Idaho in 2025, 0.7% of light-duty vehicles; 3,500 EVs in 2021. That is 28 plug-in cars per public port.

Charging 100 miles at home in Idaho: $4.47

Cost to drive 100 miles in Idaho
VehicleIdaho kWh/100 miCost/100 miCost/13,476 mikg CO2/100 mi
EV, 10th pct29.2$3.45$4654.1
EV, median37.8$4.47$6025.4
EV, 90th pct47.3$5.59$7536.7
Gasoline, 23 mpg-$19.50$2,62838.6

Idaho: 11.82 ¢ per kWh (EIA 2025), gasoline $4.486 a gallon.

CSV
Idaho: yearly cost by miles driven
Idaho miles10th pct EVMedian EV90th pct EVGasoline carSaving, median EV
5,000$173$223$279$975$752
10,000$345$447$559$1,950$1,504
13,476$465$602$753$2,628$2,026
15,000$518$670$838$2,926$2,255
20,000$690$894$1,117$3,901$3,007

Gasoline against electricity in Idaho: $19.50 against $4.47

Gasoline and carbon facts for Idaho
MeasureIdaho
Gasoline price used for Idaho, $ a gallon4.49, Rocky Mountain (PADD 4) average
Gasoline car, $ a mile0.195
Median EV, $ a mile0.045
Saving over 13,476 miles, $2,026
Break-even power price in Idaho, ¢ per kWh51.6
Grid kg CO2 per kWh0.142
EV kg CO2 per 100 miles5.4
EV against gasoline, % CO2-86
Grid coal, gas, nuclear, % of generation0.0, 31.4, 0.0
Home use in Idaho, kWh a month933
EV adds to the typical bill, %45
Yearly saving of the median EV in Idaho by gasoline price and mpg
Idaho gasoline $ a gallon20 mpg saving in Idaho25 mpg saving in Idaho30 mpg saving in Idaho40 mpg saving in Idaho
$3.50$1,756$1,284$970$577
$4.00$2,093$1,554$1,195$745
$4.50$2,430$1,823$1,419$914
$5.00$2,767$2,093$1,644$1,082
$5.50$3,104$2,363$1,868$1,251

257 public stations in Idaho: 14 per 100,000 residents

Public charging in Idaho
MeasureIdahoRank of 51Detail
Public stations open in Idaho2574329 more are not open to the public
With a DC fast port8838312 DC fast ports
Per 100,000 residents13.6394.6 with DC fast
Per 1,000 miles of Idaho public road4.33959,861 road miles (FHWA 2023)
Level 2 ports428-740 ports in all
Opened in the last 12 months43380 planned
Tesla-connector (NACS) stations48-71 with CCS, 36 with CHAdeMO

Networks in Idaho: ChargePoint Network 80, Blink Network 60, Non-Networked 26, Tesla Destination 23; 22 networks in all. Open, public stations only.

Idaho by county and city: 32 counties with a station

Counties of Idaho with the most public stations
Idaho countyStationsDC fast stationsPer 100,000 residentsResidents
Ada County871417.1508,052
Bonneville County22617.3127,056
Canyon County2098.3242,405
Bonner County14328.349,456
Bannock County12813.688,457
Kootenai County1136.2177,736
Blaine County10340.724,579
Twin Falls County10510.992,121

32 of 44 counties in Idaho have at least one public station; 12 have none. County from station ZIP; 0 unplaced.

Cities of Idaho with the most public stations
Idaho cityStationsShare of the state
Boise5923%
Meridian229%
Idaho Falls218%
Nampa135%
Pocatello104%
Twin Falls94%

65 cities and towns in Idaho have a listed station.

EVs on the road in Idaho: 14,100 in 2025

Light-duty vehicles registered in Idaho
Year in IdahoBattery electricPlug-in hybridEV share of all, %All vehicles
20213,5002,5000.181,911,100
20225,9003,5000.311,934,200
20238,5004,6000.431,974,600
202411,0005,6000.542,018,900
202514,1006,7000.682,063,500

Idaho: EVs grew 4.0 times from 2021 to 2025 (rank 34 of 51). Registrations are rounded to 100 by the source. 7.4 EVs per 1,000 residents.

Idaho time-of-use rates

Idaho: time-of-use 60% of utilities, smart meters 81.3%, dynamic 1.34 per 100. No plan with an EV name for Idaho in the OpenEI snapshot (April 2026).

Utilities in Idaho with a time-of-use plan on file
Idaho utilityHomesTime-of-use plansEnergy rate range ¢ per kWh
Idaho Power Co525,75157.4-31.9

Idaho by month: 10.8 to 12.5 ¢ per kWh

Charging cost by month in Idaho
Idaho monthPrice ¢ per kWh100 miles, median EV100 miles, 90th pct EV
Jan10.82$4.09$5.11
Feb10.95$4.14$5.18
Mar11.57$4.37$5.47
Apr11.89$4.50$5.62
May11.88$4.49$5.62
Jun12.07$4.56$5.71
Jul12.28$4.64$5.80
Aug12.08$4.57$5.71
Sep12.50$4.73$5.91
Oct12.46$4.71$5.89
Nov12.25$4.63$5.79
Dec11.87$4.49$5.61

6 biggest Idaho utilities

Charging cost by utility in Idaho
Idaho utilityHomesPrice ¢100 miles13,476 miles
Idaho Power Co525,75111.76$4.45$599
Kootenai Electric Cooperative30,37812.21$4.61$622
City of Idaho Falls28,1429.25$3.50$471
Northern Lights, Inc18,51111.49$4.34$585
Fall River Rural Elec Coop Inc15,43311.11$4.20$566
United Electric Co-op, Inc5,1007.89$2.98$402

Idaho among its neighbours

Closest states to Idaho
Closest to IdahoStations per 100,000EV share, % points100 miles at home, $Gasoline, $ a gallonMiles away
Idaho (this page)140.7$4.47$4.49-
Montana+1-0.0+0.44+0.00267
Utah+17+1.4+0.47+0.00311
Oregon+26+1.9+1.34+1.24361
Washington+27+2.8+0.49+0.97376
Cost to charge 100 miles at home by stateNew Mexico: $5.70Texas: $5.85Kentucky: $5.01Ohio: $6.41Georgia: $5.57Arkansas: $4.85Oregon: $5.81Pennsylvania: $7.30Missouri: $5.10North Carolina: $5.30Utah: $4.94Virginia: $5.78Wyoming: $5.06West Virginia: $5.83New York: $9.98Indiana: $6.14Kansas: $5.50Idaho: $4.47Nevada: $4.97Illinois: $6.69Vermont: $8.67New Jersey: $8.56Minnesota: $5.98Maryland: $7.36Iowa: $5.19Hawaii: $15.35New Hampshire: $9.29Rhode Island: $11.14Connecticut: $11.11Montana: $4.91Arizona: $5.79Nebraska: $4.67Washington: $4.96South Dakota: $5.06California: $12.30Alabama: $6.09Wisconsin: $6.87Mississippi: $5.30Colorado: $5.99Oklahoma: $4.96Tennessee: $4.98Louisiana: $4.75Michigan: $7.56Massachusetts: $11.52Florida: $5.76Alaska: $9.86North Dakota: $4.46South Carolina: $5.66Maine: $10.50Delaware: $6.48District of Columbia: $8.29

Idaho against its neighbours in the cost ranking, per 100 miles

  • +0 places, North Dakota -0.00 $ against Idaho
  • Idaho, rank 2: $4.47
  • +2 places, Nebraska +0.20 $ against Idaho
  • +3 places, Louisiana +0.28 $ against Idaho

Your numbers for Idaho

    Sources for Idaho

    More about Idaho

    Idaho electricity hub, Idaho solar payback of 18.5 years, Idaho among 51 states for EV charging, appliance running costs at 11.82 ¢, Idaho calculators.

    Questions

    Idaho EV charging cost?

    $4.47 per 100 miles at 11.82 ¢; $602 for 13,476 miles. Rank 2 of 51.

    EV or gasoline in Idaho, which costs less?

    $4.47 against $19.50 per 100 miles; $2,026 a year over 13,476 miles at $4.49 a gallon.

    Idaho CO2 of charging?

    5.4 kg per 100 miles; gasoline 38.6 kg; grid 0.142 kg per kWh.

    Idaho EV charging stations, how many?

    257 public stations, 14 per 100,000 residents (rank 39 of 51); 29 more are private.

    Idaho chargers along the roads?

    4.3 public stations per 1,000 miles of public road (59,861 miles), rank 39.

    Idaho registered electric cars, how many?

    14,100 battery electric and 6,700 plug-in hybrid in 2025; EVs were 0.7% of light-duty vehicles, 3,500 in 2021.

    Idaho cars per public charger?

    28 plug-in cars per public port, rank 33 of 51 (1 = fewest).

    Idaho county with most charging stations?

    Ada County with 87 stations (14 with DC fast); 32 of 44 counties have any.

    Idaho fast chargers, how many?

    88 stations with DC fast ports, 312 ports; 4.6 stations per 100,000 residents (rank 26).

    Idaho time-of-use rates for EV owners?

    Idaho: time-of-use 60% of utilities, smart meters 81.3%, dynamic 1.34 per 100. 1 utility in the OpenEI snapshot lists a time-of-use plan.

    Share this page

    $4.47 to charge 100 miles at home in Idaho, rank 2 of 51 (1 = cheapest)