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How Much Does It Cost to Charge a Hyundai Ioniq 9 in Washington?

Quick Answer

Charging a 2026 Hyundai Ioniq 9 at home in Washington costs approximately $41/month — that's $0.041/mile and saves $1,268/year compared to a 28 MPG gas car at Washington's gas price of $4.10/gallon.

SUVs balance cargo space with reasonable efficiency, making them the most popular EV body style in the U.S. — and this one handles that balance well. Moderate climates provide near-optimal EV performance year-round. Expect battery range close to EPA estimates and consistent charging costs across seasons.

Cost per Mile

$0.041

home charging

Monthly Cost

$41

1,000 miles/month

Annual Savings

$1,268

vs. 28 MPG gas car

About the 2026 Hyundai Ioniq 9

The Hyundai Ioniq 9 is a three-row electric SUV built for families who need maximum space without compromising on technology or range. With 360 miles of range and 350 kW fast charging capability, it's the most capable family EV from Hyundai.

Advantages

✓True 7–8 seat capacity with three usable rows

✓350 kW peak charging on the updated E-GMP+ platform

✓Sliding second row enables walk-through cabin access

✓Class-leading standard driver assistance tech

Considerations

✗$56,175+ starting price puts it in direct competition with more established luxury 3-row EVs

✗110 kWh battery adds significant weight, impacting handling

✗Third row is tight for adults on long trips

✗US availability in 2026 is still ramping up

Ideal Buyer

Families needing three rows who want to go fully electric. Buyers who considered the Kia EV9 or Rivian R1S but want a Hyundai warranty and dealer network.

vs. Gas Equivalent

Competes with Kia EV9, Rivian R1S, and Mercedes EQS SUV. Gas equivalent is a Hyundai Palisade or Toyota Highlander.

Hyundai Ioniq 9 Charging Cost Breakdown in Washington

Washington's electricity rate of $0.11/kWh is below the national average of $0.17/kWh. At this rate, the Hyundai Ioniq 9's 110 kWh battery costs $12.10 for a full charge — making it one of the more compelling EV economics in this state.

Charging Method

$/kWh

$/month

$/year

🏠 Home (Level 2)

$0.11

$41

$489

🔌 Public Level 2

$0.20

$73

$880

⚡ DC Fast Charger

$0.49

$181

$2,178

⛽ Gasoline (28 MPG)

$4.10/gal

$146

$1,757

Based on 1,000 miles/month. Public L2 estimated at 1.8× home rate. DC fast charging at national average of $0.49/kWh.

2026 Hyundai Ioniq 9Specs & Charging Data

350 kW capable charging adds significant range rapidly. The 110 kWh battery charges from 10–80% in approximately 24 minutes at a compatible 350 kW charger. Home Level 2 (48A) fully charges in approximately 9–10 hours.

Battery

110 kWh

EPA Range

360 miles

Efficiency

2.7 mi/kWh

kWh/100 miles

37.0 kWh

DC Fast Charge

350 kW max

10–80% Time

~19 min

Body Type

SUV

MSRP

$56,175

Full Charge Cost

$12.10

EV Ownership in Washington

Washington state is a top-5 EV market, driven by Seattle, Bellevue, and a tech-heavy population. With the lowest electricity rates in the continental US ($0.11/kWh) and the greenest grid, Washington is among the best places in the world to own an EV.

Incentives & Programs

Washington offers a sales tax exemption on EVs (saving $3,000–$8,000). Puget Sound Energy and Seattle City Light offer Level 2 charger rebates and the lowest EV overnight rates in the US. The federal incentive also applies.

Charging Infrastructure

Seattle metro and I-5 corridor have excellent charging coverage. I-90 across the Cascades is well-served. Eastern Washington (Spokane) has growing coverage. The Olympic Peninsula is more limited.

Grid & Energy Source

Washington's grid is ~70% hydro (Grand Coulee, Bonneville, and others), ~8% wind, and ~8% nuclear (Columbia Generating Station). Washington EV charging is among the lowest-carbon in the world — comparable to Norway and Iceland.

WashingtonElectricity Rates & EV Savings

The average residential electricity rate in Washington is $0.11/kWh, which is below the national average of $0.17/kWh. With a gas price of $4.10/gallon, Washington ranks as a very favorable state for EV ownership.

Moderate climates provide near-optimal EV performance year-round. Expect battery range close to EPA estimates and consistent charging costs across seasons. Your Hyundai Ioniq 9's 110 kWh battery provides up to 360 miles of EPA-rated range. Real-world range may vary by 10–30% depending on temperature, speed, and terrain.

Annual EV Cost (home)

$489

Hyundai Ioniq 9 @ $0.11/kWh

Annual Gas Cost (28 MPG)

$1,757

@ $4.10/gallon in Washington

You save every year by driving electric in Washington

$1,268/year

That's $106/month saved vs. a 28 MPG gas car

Home vs. DC Fast Charging in Washington

Monthly cost comparison for 1,000 miles in a Hyundai Ioniq 9:

🏠 Home L2

$41

$41/mo

🔌 Public L2

$73

$73/mo

⚡ DC Fast

$181

$181/mo

⛽ Gasoline

$146

$146/mo

Tips for Charging Your Hyundai Ioniq 9 in Washington

Washington's moderate climate and charging infrastructure have specific implications for Hyundai Ioniq 9 owners. Here are practical tips to maximize range and minimize charging costs in this state:

Seattle City Light's EV rate is among the lowest in the US — approximately $0.06–0.08/kWh overnight. Home charging is essentially free by national standards.

Cascade Mountain passes (Snoqualmie, Stevens, White) have significant elevation changes — budget 20% extra range for mountain crossings.

PSE customers: their ReduceMyUse EV program can add additional bill credits on top of already-low rates.

Washington's hydro grid means your EV runs on some of the cleanest electricity in North America — a true zero-emission vehicle experience.

Frequently Asked Questions

How much does it cost to charge a Hyundai Ioniq 9 at home in Washington?

At Washington's average residential rate of $0.11/kWh, charging a 2026 Hyundai Ioniq 9 at home costs approximately $41/month based on 1,000 miles of driving. A full charge costs $12.10.

How much does it cost to fully charge a Hyundai Ioniq 9?

A full charge of the Hyundai Ioniq 9's 110 kWh battery costs $12.10 at Washington's rate of $0.11/kWh. At a public DC fast charger ($0.49/kWh), that's about $53.90.

Is it cheaper to charge a Hyundai Ioniq 9 or drive a gas car in Washington?

Home charging the Hyundai Ioniq 9 in Washington costs $0.041/mile. A comparable 28 MPG gas car costs $0.15/mile at Washington's gas price of $4.10/gallon. EVs save approximately $1,268/year.

How long does it take to charge a Hyundai Ioniq 9 with DC fast charging?

The Hyundai Ioniq 9 supports up to 350 kW DC fast charging. A 10–80% charge takes approximately 19 minutes at peak speed. Actual time varies by charger capacity, battery temperature, and current state of charge.

How much does a Hyundai Ioniq 9 add to your electric bill in Washington?

Driving 1,000 miles/month in a Hyundai Ioniq 9 adds about $41 to your monthly electric bill in Washington. That's 37.0 kWh per 100 miles × $0.11/kWh.

What is the best charging setup for a Hyundai Ioniq 9 in Washington?

For a Hyundai Ioniq 9 owner in Washington, a Level 2 home charger (at least 32A, preferably 48A) is the ideal setup. At Washington's rate of $0.11/kWh, overnight home charging costs $41/month for 1,000 miles — significantly less than gas. DC fast charging at $0.49/kWh is 4–5× more expensive and best reserved for road trips.