Cost of Charging Your Electric Vehicle at Home

If you’re thinking about buying an electric vehicle (EV) or you’ve already made the switch, one of your first questions is probably: How much does it cost to charge an EV at home? The short answer: it’s almost always cheaper than public charging and significantly less expensive than filling up a gas tank. But the actual cost depends on your local electricity rate, your vehicle’s efficiency, and when you plug in.

Key Takeaways

• Is it cheaper to charge at home or at a public station? Charging at home remains the most affordable option for most EV owners. Residential electricity typically costs $0.13 to $0.32 per kWh, while public fast-charging networks average $0.28 to $0.51 per kWh. Across a year, that difference can save most drivers hundreds to over a thousand dollars, depending on mileage and location.
• Is it worth installing a home charger? Absolutely. A Level 2 home charger and installation usually cost between $500 and $3,000, but the long-term fuel savings, convenience, and improved battery health typically offset the expense within a few years.
• When should I use public charging? Use it strategically for road trips, emergencies, or apartment living where home charging isn’t possible. For daily driving, overnight home charging remains the most convenient and cost-effective choice.

Cost of Charging an Electric Vehicle at Home

The cost of charging your EV at home depends primarily on local electricity rates, vehicle efficiency, and driving habits.

On average, EV owners spend $40 to $70 per month on home charging, which is less than half the cost of refueling a comparable gas vehicle. But costs vary widely by state: rates range from about $0.12 per kWh in Idaho to nearly $0.40 per kWh in Hawaii, creating monthly differences of more than $80 between the least and most expensive states.

To keep costs low, explore your utility’s Time-of-Use (TOU) or EV-friendly rate plans (if available in your state), or use Power Wizard’s comparison tool to identify plans designed for overnight charging that can lower your rate by 20 to 40%.

Average EV Home Charging Cost by State

Below is a table estimating average residential rates and predicted monthly costs (see EV vehicle usage and mileage example below the table to understand our calculations):

Top 10 Most Expensive

State	Residential Rate Averages (¢/kWh)	Estimated Monthly Cost (338 kWh)
Hawaii	39.36¢	$133.06
California	32.58¢	$110.13
Massachusetts	30.07¢	$101.64
Maine	27.98¢	$94.63
Connecticut	27.64¢	$93.40
Alaska	27.30¢	$92.27
New York	26.18¢	$88.46
Rhode Island	26.18¢	$88.46
New Jersey	25.31¢	$85.55
New Hampshire	22.79¢	$77.03

 

Top 10 Least Expensive

State	Residential Rate Averages (¢/kWh)	Estimated Monthly Cost (338 kWh)
Idaho	12.28¢	$41.50
Nevada	12.35¢	$41.69
Nebraska	12.87¢	$43.52
Louisiana	13.02¢	$44.04
Arkansas	13.23¢	$44.75
North Dakota	13.27¢	$44.89
North Carolina	13.32¢	$45.06
Kentucky	13.35¢	$45.16
Tennessee	13.36¢	$45.19
Mississippi	13.46¢	$45.53

*The tables above assumes averages by state for estimate calculations only. Energy rates can vary by state and by month. Estimates assume 1,015 miles driven per month (12,200 miles per year) at an efficiency of 3 miles per kWh. Data table sourced from the U.S. Energy Information Administration.

Key Factors That Impact Home EV Charging Costs

Here are some of the key factors that can impact your home EV charging costs:

1. Your Residential Electricity Rates

The single biggest factor in your EV charging cost. Rates range from 12¢/kWh in Idaho to nearly 40¢/kWh in Hawaii. If you live in a deregulated energy market (like Texas), you can switch electricity providers to lower your charging costs.

2. Whether You Have Access to Time-of-Use (TOU) Plans

Many utilities offer discounted off-peak rates overnight — ranging anywhere from 9 p.m. (assume midnight for best estimates) and 6 a.m. Charging during these hours can cut your costs by 20–40%. Example: A 15¢/kWh daytime rate may drop to 9¢/kWh after midnight.

3. Your Vehicle Efficiency

Different EVs travel different distances per kWh:

• Efficient models: Hyundai Ioniq 6, Lucid Air @ 4 to 5 miles per kWh
• Larger models: Rivian R1T, Ford F-150 Lightning @ 2 to 3 miles per kWh

The lower your vehicle’s efficiency, the higher your cost per mile.

4. Your EV Vehicle’s Battery Size

• Compact EVs: ~40 to 60 kWh batteries
• SUVs/trucks: 100+ kWh batteries

Larger batteries cost more to charge but also deliver greater range.

5. Your Driving Habits & Distances

More miles means more energy use. Aggressive acceleration or high-speed driving also depletes the battery faster.

How to Calculate Your Home Charging Cost

You can easily estimate how much it costs to charge your EV each month using this simple formula.

All you need are three numbers:

1. How many miles you drive each month
2. Your vehicle’s efficiency (miles per kWh)
3. Your electricity rate ($/kWh)

Step	Description	Example Value	Formula Example
1. Monthly Miles Driven	Total miles you typically drive in a month.	1,000 miles	—
2. Vehicle Efficiency	How many miles your EV drives per kWh of electricity (check your owner’s manual or EPA rating).	3.5 mi/kWh	—
3. Electricity Rate	Your local residential rate per kilowatt-hour (kWh).	$0.15/kWh	—
4. Calculation	Divide miles by efficiency, then multiply by electricity rate.	(1,000 ÷ 3.5) × 0.15	= $42.86/month

Pro Tip:

Check your actual electricity rate on your utility bill, then plug it into this table to estimate your personal cost. You can also use Power Wizard’s comparison tool to find electricity plans designed for EV or Time-of-Use (TOU) charging—often saving you 20–40% more.

Advantages of Home EV Charging

Charging your EV at home isn’t just about convenience; it’s also where most of your long-term savings come from. On average, home electricity rates are 30–60% lower than public charging station rates. While residential electricity typically costs between $0.12 and $0.18 per kWh, public fast charging often ranges from $0.28 to $0.51 per kWh, depending on the state and the network. Over the course of a year, those differences can easily add up to hundreds of dollars in savings.

Home vs. Public Charging Cost Comparison (by State)

State	Avg Home Rate ($/kWh)	Avg Public Charger Rate ($/kWh)	Savings Charging at Home
Alabama	0.1588	0.36	56.0%
Alaska	0.2730	0.36	24.2%
Arizona	0.1538	0.36	57.2%
Arkansas	0.1323	0.36	63.2%
California	0.3258	0.36	9.5%
Colorado	0.1609	0.36	55.3%
Connecticut	0.2764	0.36	23.2%
Delaware	0.1657	0.36	54.0%
District of Columbia	0.2282	0.36	36.7%
Florida	0.1512	0.36	58.0%
Georgia	0.1561	0.36	56.6%
Hawaii	0.3936	0.36	–9.3% (home more expensive)
Idaho	0.1228	0.36	65.9%
Illinois	0.1725	0.36	52.1%
Indiana	0.1630	0.36	54.7%
Iowa	0.1536	0.36	57.3%
Kansas	0.1444	0.36	59.9%
Kentucky	0.1335	0.36	62.9%
Louisiana	0.1302	0.36	63.9%
Maine	0.2798	0.36	22.3%
Maryland	0.1886	0.36	47.6%
Massachusetts	0.3007	0.36	16.4%
Michigan	0.2056	0.36	42.9%
Minnesota	0.1694	0.36	52.9%
Mississippi	0.1346	0.36	62.6%
Missouri	0.1548	0.36	57.0%
Montana	0.1430	0.36	60.3%
Nebraska	0.1287	0.36	64.2%
Nevada	0.1235	0.36	65.7%
New Hampshire	0.2279	0.36	36.7%
New Jersey	0.2531	0.36	29.7%
New Mexico	0.1587	0.36	55.9%
New York	0.2618	0.36	27.3%
North Carolina	0.1332	0.36	63.0%
North Dakota	0.1327	0.36	63.1%
Ohio	0.1738	0.36	51.7%
Oklahoma	0.1352	0.36	62.4%
Oregon	0.1558	0.36	56.7%
Pennsylvania	0.1952	0.36	45.8%
Rhode Island	0.2618	0.36	27.3%
South Carolina	0.1474	0.36	59.0%
South Dakota	0.1452	0.36	59.7%
Tennessee	0.1336	0.36	62.9%
Texas	0.1536	0.36	57.3%
Utah	0.1348	0.36	62.6%
Vermont	0.2246	0.36	37.6%
Virginia	0.1592	0.36	55.8%
Washington	0.1347	0.36	62.6%
West Virginia	0.1543	0.36	57.1%
Wisconsin	0.1830	0.36	49.2%
Wyoming	0.1464	0.36	59.3%

Electricity rates vary by state, utility provider, and season, and the averages shown in this table are for illustrative purposes only. Actual residential and public charging costs may differ based on local rate changes, time-of-use plans, and demand charges. EV charging cost estimates also depend on each vehicle’s year, make, model, battery capacity, charging efficiency, and total miles driven. For the most accurate results, check your current electricity bill or provider plan, and consult your EV’s EPA efficiency rating (mi/kWh) when calculating personalized charging costs.

 

Even in states with higher electricity costs — such as California ($0.33/kWh) and Massachusetts ($0.30/kWh) — home charging still delivers meaningful savings compared to public fast-charging rates that average around $0.36 per kWh nationwide.

Across most of the U.S., residential electricity prices range from about $0.12 to $0.18 per kWh, while public fast chargers typically cost $0.35 to $0.45 per kWh. That difference translates to roughly $4–$6 per 100 miles when charging at home, versus $10–$14 per 100 miles using public networks.

In deregulated states like Texas ($0.15/kWh), Georgia ($0.16/kWh), and Florida ($0.15/kWh), drivers can save even more by shopping for lower-cost residential or time-of-use electricity plans — often reducing EV fueling costs by 55–65% compared to public charging.

Potential Drawbacks of Home EV Charging

Here are some potential drawbacks of home EV charging:

1. High Upfront Costs

Expect $500 to $3,000 for the charger and professional installation.

Pro Tip: Federal tax credits (up to 30%) and utility rebates can offset much of this cost.

2. Slower Charging Speed

Level 2 chargers add about 25–30 miles of range per hour, ideal for overnight use. Fast chargers add up to 200 miles in 30 minutes, but at a much higher cost and battery wear.

3. Limited Accessibility

Renters or apartment dwellers may not be able to install a home charger. Public or workplace chargers are often the best alternative.

When Public Charging Makes Sense

• Long Trips: Cross-state or multi-day travel
• Emergency Top-Ups: When you forget to plug in at home
• Apartments or Shared Parking: When home access isn’t feasible

Tip: Use apps like PlugShare, ChargePoint, or Electrify America to find charging stations near you.

Should You Charge At Home? The Bottom Line

Charging your EV at home is one of the simplest ways to cut your transportation costs.
Even in higher-cost states, most drivers pay less than half the cost of gasoline to drive the same distance, and they enjoy the convenience of charging overnight.

To maximize your savings, explore EV-friendly electricity plans with Power Wizard’s comparison tool and find the rate that makes every mile even cheaper.