Home›Cost to Charge›Tesla Model 3 in Idaho

How Much Does It Cost to Charge a Tesla Model 3 in Idaho?

Quick Answer

Charging a 2026 Tesla Model 3 at home in Idaho costs approximately $29/month — that's $0.029/mile and saves $1,238/year compared to a 28 MPG gas car at Idaho's gas price of $3.70/gallon.

Sedans offer excellent aerodynamics and some of the highest efficiency ratings in the EV market, making them among the most cost-effective EVs to run daily. 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

$0.029

home charging

Monthly Cost

$29

1,000 miles/month

Annual Savings

$1,238

vs. 28 MPG gas car

About the 2026 Tesla Model 3

The Tesla Model 3 is the world's best-selling EV and the benchmark for electric sedans. Its minimalist interior, over-the-air updates, and access to Tesla's Supercharger network make it the default EV recommendation for most buyers entering the market.

Advantages

✓Access to Tesla's 50,000+ Supercharger network — the most reliable fast-charging infrastructure in the US

✓Industry-leading software and over-the-air updates that add new features regularly

✓Strong resale value compared to most EVs

✓Rear-wheel drive RWD Long Range offers 340+ miles of range

Considerations

✗No physical controls for HVAC or mirrors — everything goes through the touchscreen

✗Rear seat headroom is tight for passengers over 6'1"

✗No frunk (front trunk) in standard configurations

✗Autopilot hardware issues prompted recalls that affected earlier models

Ideal Buyer

The Model 3 is ideal for daily commuters, tech-forward buyers, and anyone who values software sophistication, charging network access, and long-term cost of ownership over luxury finishes or cargo space.

vs. Gas Equivalent

The closest gas equivalent is a BMW 3 Series or Toyota Camry — the Model 3 competes in the near-luxury compact sedan space but typically costs $250–$400/month less to fuel and maintain.

Tesla Model 3 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 Tesla Model 3's 57 kWh battery costs $6.27 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

$29

$347

🔌 Public Level 2

$0.20

$52

$625

⚡ DC Fast Charger

$0.49

$129

$1,547

⛽ 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 Tesla Model 3Specs & Charging Data

170 kW DC fast charging delivers a 10–80% charge in roughly 25–30 minutes at a V3 Supercharger. At home, a Level 2 NEMA 14-50 outlet or Wall Connector adds 30–35 miles per hour overnight.

Battery

57 kWh

EPA Range

310 miles

Efficiency

3.8 mi/kWh

kWh/100 miles

26.3 kWh

DC Fast Charge

170 kW max

10–80% Time

~20 min

Body Type

Sedan

MSRP

$38,990

Full Charge Cost

$6.27

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 very 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 Tesla Model 3's 57 kWh battery provides up to 310 miles of EPA-rated range. Real-world range may vary by 10–30% depending on temperature, speed, and terrain.

Annual EV Cost (home)

$347

Tesla Model 3 @ $0.11/kWh

Annual Gas Cost (28 MPG)

$1,586

@ $3.70/gallon in Idaho

You save every year by driving electric in Idaho

$1,238/year

That's $103/month saved vs. a 28 MPG gas car

Home vs. DC Fast Charging in Idaho

Monthly cost comparison for 1,000 miles in a Tesla Model 3:

🏠 Home L2

$29

$29/mo

🔌 Public L2

$52

$52/mo

⚡ DC Fast

$129

$129/mo

⛽ Gasoline

$132

$132/mo

Tips for Charging Your Tesla Model 3 in Idaho

Idaho's cold climate and charging infrastructure have specific implications for Tesla Model 3 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 Tesla Model 3 at home in Idaho?

At Idaho's average residential rate of $0.11/kWh, charging a 2026 Tesla Model 3 at home costs approximately $29/month based on 1,000 miles of driving. A full charge costs $6.27.

How much does it cost to fully charge a Tesla Model 3?

A full charge of the Tesla Model 3's 57 kWh battery costs $6.27 at Idaho's rate of $0.11/kWh. At a public DC fast charger ($0.49/kWh), that's about $27.93.

Is it cheaper to charge a Tesla Model 3 or drive a gas car in Idaho?

Home charging the Tesla Model 3 in Idaho costs $0.029/mile. A comparable 28 MPG gas car costs $0.13/mile at Idaho's gas price of $3.70/gallon. EVs save approximately $1,238/year.

How long does it take to charge a Tesla Model 3 with DC fast charging?

The Tesla Model 3 supports up to 170 kW DC fast charging. A 10–80% charge takes approximately 20 minutes at peak speed. Actual time varies by charger capacity, battery temperature, and current state of charge.

How much does a Tesla Model 3 add to your electric bill in Idaho?

Driving 1,000 miles/month in a Tesla Model 3 adds about $29 to your monthly electric bill in Idaho. That's 26.3 kWh per 100 miles × $0.11/kWh.

How does cold weather in Idaho affect Tesla Model 3 range?

Cold winters in Idaho can reduce Tesla Model 3 range by 20–40%. With a 57 kWh battery and 310-mile EPA range, plan for 217–248 miles in cold conditions. Use the scheduled departure feature to pre-heat the cabin while still plugged in to preserve driving range.