---
title: "Idaho Electricity Rates & Cost to Charge an EV (August 2026)"
description: "Charging an EV in Idaho costs about $4.48 per 100 miles and $50.39 a month at 13.37¢/kWh (EIA, August 2026). Rank #5 of 51, with costs for popular EV models."
url: https://evchargecosts.com/states/idaho/
updated: 2026-10-26
---

# Idaho electricity rates and EV charging cost

At **13.37¢/kWh** — Idaho's average residential electricity price in August 2026 — charging a typical EV costs about **$4.48 per 100 miles** and **$50.39 a month** for 13,500 miles a year. That is 26% below the U.S. average of 18.16¢. That is down from 13.73¢ in July 2026.

- **Electricity price:** 13.37¢ (per kWh, −26% vs U.S.)
- **Per 100 miles:** $4.48 (33.5 kWh/100 mi EV)
- **Rank:** #5 (of 51, 1 is cheapest)
- **Per month:** $50.39 (13,500 miles a year)

More models are in the [full calculator](https://evchargecosts.com/).

## Electricity price trend in Idaho

Average residential price, cents per kWh, last 13 months (EIA).

## EV vs gas in Idaho

Regular gasoline averaged **$4.468 a gallon** in the Rocky Mountain region in the week of October 19, 2026 (EIA). A 30 mpg car costs $14.89 per 100 miles, versus $4.48 for a typical EV — $1,405.94 a year in favor of the EV.

[Compare EV and gas costs in Idaho](https://evchargecosts.com/ev-vs-gas/?state=ID)

## Charging cost for popular EVs in Idaho

At 13.37¢/kWh and 13,500 miles a year. Select a model for trims, charging time and nearby states.

**Monthly home charging cost in Idaho at 13.37¢/kWh, 13,500 miles a year**

| Vehicle | kWh/100 mi | Per 100 miles | Per month | Full charge |
| --- | --- | --- | --- | --- |
| [Tesla Model Y](https://evchargecosts.com/states/idaho/tesla-model-y/) | 26.9 | $3.59 | $40.41 | $12.10 |
| [Tesla Model 3](https://evchargecosts.com/states/idaho/tesla-model-3/) | 26.4 | $3.53 | $39.67 | $12.20 |
| [Tesla Model S](https://evchargecosts.com/states/idaho/tesla-model-s/) | 32.5 | $4.34 | $48.86 | $15.12 |
| [Tesla Model X](https://evchargecosts.com/states/idaho/tesla-model-x/) | 34.2 | $4.58 | $51.51 | $15.06 |
| [Tesla Cybertruck](https://evchargecosts.com/states/idaho/tesla-cybertruck/) | 42.9 | $5.74 | $64.54 | $18.64 |
| [Chevrolet Equinox EV](https://evchargecosts.com/states/idaho/chevrolet-equinox-ev/) | 32.6 | $4.36 | $49.06 | $13.39 |
| [Chevrolet Blazer EV](https://evchargecosts.com/states/idaho/chevrolet-blazer-ev/) | 35.6 | $4.77 | $53.61 | $13.49 |
| [Chevrolet Silverado EV](https://evchargecosts.com/states/idaho/chevrolet-silverado-ev/) | 49.6 | $6.63 | $74.53 | $18.95 |
| [Ford Mustang Mach-E](https://evchargecosts.com/states/idaho/ford-mustang-mach-e/) | 33.6 | $4.50 | $50.59 | $10.79 |
| [Ford F-150 Lightning](https://evchargecosts.com/states/idaho/ford-f-150-lightning/) | 47.9 | $6.41 | $72.07 | $20.50 |
| [Hyundai Ioniq 5](https://evchargecosts.com/states/idaho/hyundai-ioniq-5/) | 34.5 | $4.61 | $51.89 | $12.41 |
| [Hyundai Ioniq 6](https://evchargecosts.com/states/idaho/hyundai-ioniq-6/) | 28.0 | $3.74 | $42.12 | $11.83 |
| [Hyundai Kona Electric](https://evchargecosts.com/states/idaho/hyundai-kona-electric/) | 29.1 | $3.89 | $43.74 | $10.15 |
| [Kia EV6](https://evchargecosts.com/states/idaho/kia-ev6/) | 31.6 | $4.22 | $47.50 | $12.46 |
| [Kia EV9](https://evchargecosts.com/states/idaho/kia-ev9/) | 40.0 | $5.35 | $60.17 | $15.13 |
| [Honda Prologue](https://evchargecosts.com/states/idaho/honda-prologue/) | 34.1 | $4.56 | $51.25 | $13.39 |
| [Rivian R1S](https://evchargecosts.com/states/idaho/rivian-r1s/) | 43.1 | $5.77 | $64.86 | $18.28 |
| [Rivian R1T](https://evchargecosts.com/states/idaho/rivian-r1t/) | 43.1 | $5.77 | $64.86 | $18.28 |
| [Cadillac Lyriq](https://evchargecosts.com/states/idaho/cadillac-lyriq/) | 38.0 | $5.08 | $57.13 | $16.20 |
| [Volkswagen ID.4](https://evchargecosts.com/states/idaho/volkswagen-id-4/) | 31.6 | $4.22 | $47.53 | $8.70 |
| [Nissan Leaf](https://evchargecosts.com/states/idaho/nissan-leaf/) | 30.4 | $4.07 | $45.77 | $6.06 |
| [Nissan Ariya](https://evchargecosts.com/states/idaho/nissan-ariya/) | 35.3 | $4.72 | $53.09 | $9.67 |
| [Toyota bZ](https://evchargecosts.com/states/idaho/toyota-bz/) | 28.0 | $3.74 | $42.11 | $10.78 |
| [Subaru Solterra](https://evchargecosts.com/states/idaho/subaru-solterra/) | 28.9 | $3.87 | $43.50 | $10.75 |
| [BMW i4](https://evchargecosts.com/states/idaho/bmw-i4/) | 33.4 | $4.47 | $50.25 | $12.82 |
| [Lucid Air](https://evchargecosts.com/states/idaho/lucid-air/) | 27.3 | $3.65 | $41.07 | $14.46 |

## Idaho vs neighboring states

Idaho and its neighbors are outlined on the map.

**Electricity price and EV charging cost: Idaho and neighbors, August 2026**

| State | Electricity (¢/kWh) | Per 100 miles | Per month |
| --- | --- | --- | --- |
| [Nevada](https://evchargecosts.com/states/nevada/) | 12.72 | $4.26 | $47.94 |
| [Utah](https://evchargecosts.com/states/utah/) | 13.31 | $4.46 | $50.16 |
| [Idaho](https://evchargecosts.com/states/idaho/) | 13.37 | $4.48 | $50.39 |
| [Wyoming](https://evchargecosts.com/states/wyoming/) | 14.43 | $4.83 | $54.38 |
| [Washington](https://evchargecosts.com/states/washington/) | 14.63 | $4.90 | $55.14 |
| [Montana](https://evchargecosts.com/states/montana/) | 15.57 | $5.22 | $58.68 |
| [Oregon](https://evchargecosts.com/states/oregon/) | 15.92 | $5.33 | $60.00 |

## Monthly electricity prices in Idaho

**Average residential electricity price in Idaho by month (EIA)**

| Month | Price (¢/kWh) | EV cost per 100 miles |
| --- | --- | --- |
| August 2026 | 13.37 | $4.48 |
| July 2026 | 13.73 | $4.60 |
| June 2026 | 14.37 | $4.81 |
| May 2026 | 12.35 | $4.14 |
| April 2026 | 12.70 | $4.25 |
| March 2026 | 13.00 | $4.36 |
| February 2026 | 12.63 | $4.23 |
| January 2026 | 12.06 | $4.04 |
| December 2025 | 11.88 | $3.98 |
| November 2025 | 12.25 | $4.10 |
| October 2025 | 12.46 | $4.17 |
| September 2025 | 12.50 | $4.19 |
| August 2025 | 12.08 | $4.05 |

## Questions people ask

### How much does it cost to charge an EV in Idaho?

About $4.48 per 100 miles, $50.39 a month or $604.66 a year for 13,500 miles, at 13.37¢/kWh for an EV using 33.5 kWh/100 mi.

### What is the average electricity price in Idaho?

13.37 cents per kWh for residential customers in August 2026, according to the U.S. Energy Information Administration. That is 26% below the U.S. average of 18.16¢.

### Is it cheaper to drive an EV than a gas car in Idaho?

On fuel, yes: about $604.66 a year for the EV versus $2,010.60 for a 30 mpg gas car at $4.468/gal (EIA Rocky Mountain average).

### How does Idaho compare with neighboring states?

Nevada, Utah have lower residential electricity prices than Idaho.

---
Source page: https://evchargecosts.com/states/idaho/
Data: EIA (electricity August 2026, gasoline 2026-10-19), EPA fueleconomy.gov. License: CC BY 4.0.