Home›Cost to Charge›Hyundai Ioniq 9 in Idaho

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

Quick Answer

Charging a 2026 Hyundai Ioniq 9 at home in Idaho costs approximately $41/month — that's $0.041/mile and saves $1,097/year compared to a 28 MPG gas car at Idaho's gas price of $3.70/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. Cold weather reduces EV range by 20–40% as the battery heats itself and the cabin. Use scheduled departure to pre-heat on shore power before driving.

Cost per Mile

$0.041

home charging

Monthly Cost

$41

1,000 miles/month

Annual Savings

$1,097

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 Idaho

Idaho'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 — a meaningful savings versus gas at current prices.

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)

$3.70/gal

$132

$1,586

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 Idaho

Idaho has a small but growing EV market, centered on Boise and the Treasure Valley. The state's exceptionally low electricity rates ($0.11/kWh) make it one of the cheapest places in the US to charge an EV.

Incentives & Programs

Idaho offers no state EV tax credit, but federal incentives apply. Idaho Power offers time-of-use plans with off-peak rates that can go even lower. The base $0.11/kWh rate is already competitive with TOU off-peak rates in most states.

Charging Infrastructure

I-84 through Boise is well-covered. North-south stretches (US-95 toward Coeur d'Alene) are improving. Southern Idaho's rural stretches require careful planning. Boise has the best urban charger density.

Grid & Energy Source

Idaho's grid is dominated by hydropower (~65%) from dams on the Snake River and Columbia River system. This makes Idaho EV charging among the cleanest in the US, with among the lowest carbon footprints nationally.

IdahoElectricity Rates & EV Savings

The average residential electricity rate in Idaho is $0.11/kWh, which is below the national average of $0.17/kWh. With a gas price of $3.70/gallon, Idaho ranks as a favorable state for EV ownership.

Cold weather reduces EV range by 20–40% as the battery heats itself and the cabin. Use scheduled departure to pre-heat on shore power before driving. 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)

$1,586

@ $3.70/gallon in Idaho

You save every year by driving electric in Idaho

$1,097/year

That's $91/month saved vs. a 28 MPG gas car

Home vs. DC Fast Charging in Idaho

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

$132

$132/mo

Tips for Charging Your Hyundai Ioniq 9 in Idaho

Idaho's cold 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:

At $0.11/kWh, Idaho has some of the cheapest home EV charging in America — even without a TOU plan, costs are low.

Idaho's hydro-heavy grid means you're essentially charging on clean, renewable power year-round.

Winter snowpack and mountain terrain near Sun Valley and Coeur d'Alene reduce range — charge fully before mountain routes.

Idaho Power's overnight TOU rates can drop charging costs further to as low as $0.08/kWh.

Frequently Asked Questions

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

At Idaho'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 Idaho'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 Idaho?

Home charging the Hyundai Ioniq 9 in Idaho costs $0.041/mile. A comparable 28 MPG gas car costs $0.13/mile at Idaho's gas price of $3.70/gallon. EVs save approximately $1,097/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 Idaho?

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

How does cold weather in Idaho affect Hyundai Ioniq 9 range?

Cold winters in Idaho can reduce Hyundai Ioniq 9 range by 20–40%. With a 110 kWh battery and 360-mile EPA range, plan for 252–288 miles in cold conditions. Use the scheduled departure feature to pre-heat the cabin while still plugged in to preserve driving range.