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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 Washington: stations, EVs and home cost

4.5 kgCO2 per 100 miles on the Washington grid, rank 2 of 51 (1 = cleanest)

Charging 100 miles at home costs $4.96 at 13.11 ¢ per kWh; a 23 mpg gasoline car costs $23.71 at $5.45 a gallon (4.8 times), so 13,476 miles saves $2,527 a year. Washington has 3,163 public charging stations, 529 of them with DC fast ports: 41 per 100,000 residents (rank 8) and 39.8 per 1,000 road miles (rank 10). 236,400 battery electric and 57,100 plug-in hybrid cars were registered in Washington in 2025, 3.4% of light-duty vehicles; 66,800 EVs in 2021. That is 33 plug-in cars per public port.

Gasoline against electricity in Washington: $23.71 against $4.96

Gasoline and carbon facts for Washington
MeasureWashington
Gasoline price used for Washington, $ a gallon5.45, EIA Washington series
Gasoline car, $ a mile0.237
Median EV, $ a mile0.050
Saving over 13,476 miles, $2,527
Break-even power price in Washington, ¢ per kWh62.7
Grid kg CO2 per kWh0.120
EV kg CO2 per 100 miles4.5
EV against gasoline, % CO2-88
Grid coal, gas, nuclear, % of generation3.1, 15.7, 7.6
Home use in Washington, kWh a month955
EV adds to the typical bill, %44
Yearly saving of the median EV in Washington by gasoline price and mpg
Washington gasoline $ a gallon20 mpg saving in Washington25 mpg saving in Washington30 mpg saving in Washington40 mpg saving in Washington
$4.50$2,364$1,758$1,353$848
$5.00$2,701$2,027$1,578$1,017
$5.50$3,038$2,297$1,803$1,185
$6.00$3,375$2,566$2,027$1,353
$6.50$3,712$2,836$2,252$1,522

Charging 100 miles at home in Washington: $4.96

Cost to drive 100 miles in Washington
VehicleWashington kWh/100 miCost/100 miCost/13,476 mikg CO2/100 mi
EV, 10th pct29.2$3.83$5163.5
EV, median37.8$4.96$6684.5
EV, 90th pct47.3$6.20$8355.7
Gasoline, 23 mpg-$23.71$3,19538.6

Washington: 13.11 ¢ per kWh (EIA 2025), gasoline $5.453 a gallon.

CSV
Washington: yearly cost by miles driven
Washington miles10th pct EVMedian EV90th pct EVGasoline carSaving, median EV
5,000$191$248$310$1,185$938
10,000$383$496$620$2,371$1,875
13,476$516$668$835$3,195$2,527
15,000$574$743$930$3,556$2,813
20,000$765$991$1,239$4,742$3,750

Washington time-of-use rates

Washington: time-of-use 50% of utilities, smart meters 69.4%, dynamic 0.27 per 100. No plan with an EV name for Washington in the OpenEI snapshot (April 2026).

Utilities in Washington with a time-of-use plan on file
Washington utilityHomesTime-of-use plansEnergy rate range ¢ per kWh
Puget Sound Energy Inc1,091,59998.5-51.6
City of Port Angeles9,32115.0-7.7

3,163 public stations in Washington: 41 per 100,000 residents

Public charging in Washington
MeasureWashingtonRank of 51Detail
Public stations open in Washington3,1636216 more are not open to the public
With a DC fast port52982,343 DC fast ports
Per 100,000 residents40.986.8 with DC fast
Per 1,000 miles of Washington public road39.81079,541 road miles (FHWA 2023)
Level 2 ports6,656-9,014 ports in all
Opened in the last 12 months75448 planned
Tesla-connector (NACS) stations297-441 with CCS, 212 with CHAdeMO

Networks in Washington: ChargePoint Network 1,944, Blink Network 302, FLO 165, Non-Networked 155; 43 networks in all. Open, public stations only.

EVs on the road in Washington: 236,400 in 2025

Light-duty vehicles registered in Washington
Year in WashingtonBattery electricPlug-in hybridEV share of all, %All vehicles
202166,80024,3000.976,890,500
2022104,10031,4001.536,802,500
2023152,10041,2002.236,816,100
2024191,40048,5002.806,831,300
2025236,40057,1003.446,876,900

Washington: EVs grew 3.5 times from 2021 to 2025 (rank 44 of 51). Registrations are rounded to 100 by the source. 30.5 EVs per 1,000 residents.

Washington by county and city: 39 counties with a station

Counties of Washington with the most public stations
Washington countyStationsDC fast stationsPer 100,000 residentsResidents
King County1,50412566.52,262,713
Spokane County2093338.4544,323
Pierce County1953621.1924,106
Snohomish County1876622.4834,648
Clark County1453328.4510,516
Whatcom County1062046.4228,432
Thurston County993333.4296,640
Benton County721434.2210,224

39 of 39 counties in Washington have at least one public station; every county has one. County from station ZIP; 17 unplaced.

Cities of Washington with the most public stations
Washington cityStationsShare of the state
Seattle64120%
Bellevue38912%
Spokane1374%
Vancouver1103%
Redmond1023%
Tacoma1003%

228 cities and towns in Washington have a listed station.

Washington among its neighbours

Closest states to Washington
Closest to WashingtonStations per 100,000EV share, % points100 miles at home, $Gasoline, $ a gallonMiles away
Washington (this page)413.4$4.96$5.45-
Oregon-1-0.9+0.85+0.27178
Idaho-27-2.8-0.49-0.97376
Montana-27-2.8-0.05-0.97493
Utah-11-1.3-0.02-0.97679
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

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

  • -1 places, Montana -0.05 $ against Washington
  • +0 places, Utah -0.02 $ against Washington
  • Washington, rank 8: $4.96
  • +2 places, Oklahoma +0.00 $ against Washington
  • +3 places, Nevada +0.02 $ against Washington

Washington by month: 11.8 to 14.1 ¢ per kWh

Charging cost by month in Washington
Washington monthPrice ¢ per kWh100 miles, median EV100 miles, 90th pct EV
Jan11.78$4.45$5.57
Feb12.47$4.71$5.89
Mar12.62$4.77$5.97
Apr13.02$4.92$6.15
May13.65$5.16$6.45
Jun12.96$4.90$6.13
Jul13.45$5.08$6.36
Aug13.64$5.16$6.45
Sep13.79$5.21$6.52
Oct14.06$5.32$6.65
Nov13.85$5.24$6.55
Dec13.33$5.04$6.30

12 biggest Washington utilities

Charging cost by utility in Washington
Washington utilityHomesPrice ¢100 miles13,476 miles
Puget Sound Energy Inc1,091,59914.63$5.53$746
City of Seattle459,96414.09$5.33$718
PUD No 1 of Snohomish County346,53211.51$4.35$586
Avista Corp246,05511.87$4.49$605
PUD No 1 of Clark County219,47710.41$3.94$530
City of Tacoma180,35710.81$4.09$551
PUD No 1 of Benton County50,0728.81$3.33$449
PUD No 1 of Cowlitz County48,2678.80$3.33$448
PUD No 2 of Grant County42,4856.01$2.27$306
PUD No 1 of Chelan County42,1203.67$1.39$187
Inland Power & Light Company41,6848.98$3.39$457
PUD No 1 of Grays Harbor County39,88112.52$4.73$638

Your numbers for Washington

    Sources for Washington

    More about Washington

    Washington electricity hub, Washington solar payback of 21.6 years, Washington among 51 states for EV charging, appliance running costs at 13.11 ¢, Washington calculators.

    Questions

    Washington CO2 of charging?

    4.5 kg per 100 miles; gasoline 38.6 kg; grid 0.120 kg per kWh.

    Washington registered electric cars, how many?

    236,400 battery electric and 57,100 plug-in hybrid in 2025; EVs were 3.4% of light-duty vehicles, 66,800 in 2021.

    EV or gasoline in Washington, which costs less?

    $4.96 against $23.71 per 100 miles; $2,527 a year over 13,476 miles at $5.45 a gallon.

    Washington EV charging cost?

    $4.96 per 100 miles at 13.11 ¢; $668 for 13,476 miles. Rank 8 of 51.

    Washington EV charging stations, how many?

    3,163 public stations, 41 per 100,000 residents (rank 8 of 51); 216 more are private.

    Washington fast chargers, how many?

    529 stations with DC fast ports, 2,343 ports; 6.8 stations per 100,000 residents (rank 9).

    Washington chargers along the roads?

    39.8 public stations per 1,000 miles of public road (79,541 miles), rank 10.

    Washington cars per public charger?

    33 plug-in cars per public port, rank 41 of 51 (1 = fewest).

    Washington county with most charging stations?

    King County with 1,504 stations (125 with DC fast); 39 of 39 counties have any.

    Washington time-of-use rates for EV owners?

    Washington: time-of-use 50% of utilities, smart meters 69.4%, dynamic 0.27 per 100. 2 utilities in the OpenEI snapshot list a time-of-use plan.

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    4.5 kg CO2 per 100 miles on the Washington grid, rank 2 of 51 (1 = cleanest)