How Much Does Electricity Cost Per Month?

The U.S. average electricity bill

The average U.S. household pays approximately $130-$150 per month for electricity. This figure is based on average residential usage of roughly 900 kWh/month and a national average rate of approximately 16-17 cents per kilowatt-hour (kWh), according to U.S. Energy Information Administration (EIA) data as of early 2026.

That national average masks enormous variation. Households in Hawaii pay over $350/month on average; households in Utah average under $90. A family with electric heat and multiple EVs might use 2,000 kWh; a single-person apartment might use 400 kWh. Your bill reflects the specific intersection of your usage, your location, and your rate.

Understanding what drives your cost — and what you can control — is the first step toward optimizing it.

What drives your specific cost

Your monthly electricity bill is a product of three factors:

1. Usage (kWh)

How much electricity you consume, measured in kilowatt-hours. Usage is driven by your appliances (especially HVAC, water heating, and refrigeration), your household size, your habits, and your climate. This is the factor you have the most direct control over through efficiency and behavior changes.

2. Rate (¢/kWh)

The price you pay per kilowatt-hour. Rates vary dramatically by state and utility — from under 10¢/kWh in states like Idaho to over 40¢/kWh in Hawaii. Within deregulated states, rates also vary by supplier. In some states, you can shop for a lower rate; in others, you're locked into your utility's rate.

3. Fixed fees

Most utilities charge fixed monthly fees regardless of usage — customer charges, delivery charges, infrastructure fees. These typically range from $10-$30/month and can't be reduced through conservation. They're why your bill is never $0 even if you use almost no electricity.

The formula is straightforward: (kWh × rate) + fixed fees = monthly bill. But because both kWh and rate vary so widely, the resulting bills range from under $50/month to over $400/month for similar-sized households.

Average usage by household size

Household size is one of the strongest predictors of electricity usage. More people means more showers (water heating), more electronics, more lighting, and more climate control. Here are typical usage ranges:

Note: Estimates assume typical appliances. Electric vehicle charging, pools, hot tubs, electric heat, or cryptocurrency mining can push usage significantly higher.

For detailed breakdowns by dwelling type, see our guides on 1-bedroom apartments, 2-bedroom apartments, and 3-bedroom homes.

Average rate by region

Electricity rates vary dramatically across the United States. The same usage can cost 4x more in one state versus another. Here's how rates compare across regions:

Why such disparity? Several factors: fuel mix (states with cheap hydropower or natural gas pay less), infrastructure costs, regulatory environment, and population density. States with expensive imported fuel (Hawaii) or strict environmental regulations (California) tend to have higher rates.

For a complete ranking of all 50 states, see our average electric bill by state guide.

How to estimate your own monthly cost

To estimate your monthly electricity cost, you need two numbers: your expected usage and your rate.

Step 1: Estimate your usage

If you have past bills, use your historical average. If not, use the household size table above as a starting point, then adjust:

• Add 20-50% if you work from home full-time
• Add 100-300 kWh/month for an electric vehicle
• Add 200-500 kWh/month for electric heating (winter)
• Add 100-300 kWh/month for heavy AC use (summer)
• Subtract 20-30% if you're rarely home

Step 2: Find your rate

Check your most recent bill for your actual rate. Look for the "supply" or "generation" charge per kWh and the "delivery" charge per kWh — add them together for your total effective rate. Don't forget fixed monthly fees.

If you don't have a bill yet, use your utility's published rate schedule or the regional averages above.

Step 3: Calculate

Example: A 3-bedroom home in Pennsylvania expects to use 1,200 kWh/month. The rate is 15¢/kWh, with a $15/month customer charge.

1,200 kWh × $0.15/kWh = $180
$180 + $15 customer charge = $195/month

Why your bill varies month-to-month

Even in the same home, your bill can swing significantly from month to month. Understanding why helps you plan and avoid surprises.

Seasonal usage swings

Climate control is the biggest variable. Summer air conditioning or winter electric heating can double or triple your usage compared to mild-weather months. A household that uses 800 kWh in April might use 1,600 kWh in July or January.

Rate changes

Utility rates change periodically, sometimes significantly. In deregulated states, your supplier's rate might change at contract renewal. Utilities also implement seasonal rates or time-of-use pricing that shifts costs. Check your rate when your bill changes unexpectedly.

Billing cycle variation

Bills aren't always for exactly 30 days. A 35-day billing cycle versus a 28-day cycle changes your bill by 25% even with identical daily usage. Check the billing period dates on your bill.

Estimated vs. actual readings

If a meter reader couldn't access your meter, your bill may be estimated. When the next actual reading occurs, you'll be trued up — potentially creating a spike (or credit) that reflects multiple months of usage correction.

How to lower your monthly electricity cost

Two levers control your bill: usage and rate. Most people focus only on usage, but the rate lever is often more powerful.

Reduce your rate (in deregulated states)

In deregulated states like Pennsylvania, Texas, Ohio, and parts of New York, you can choose your electricity supplier. The generation portion of your bill — typically 40-60% of the total — is open to competition.

Switching from your utility's default rate to a competitive supplier can save 10-30% on generation. On a $150/month bill where $90 is generation, saving 20% means $18/month or $216/year — without changing a single habit.

Reduce your usage

The highest-impact usage reductions target the big three: HVAC, water heating, and refrigeration.

• Optimize your thermostat: Each degree of AC setpoint increase or heating setpoint decrease saves roughly 3% on climate control costs.
• Seal air leaks: Weather-stripping and caulking reduce the load on your HVAC system.
• Use efficient water heating habits: Shorter showers, cold water laundry, and a lower water heater temperature reduce a major cost category.
• Upgrade old appliances: A 20-year-old refrigerator uses 2-3x the electricity of a new Energy Star model.
• LED lighting: Replace any remaining incandescent bulbs. LEDs use 75% less electricity.

Shift your usage (if on time-of-use rates)

Some utilities offer time-of-use rates with lower prices during off-peak hours (typically nights and weekends). If you're on such a plan, running dishwashers, laundry, and EV charging during off-peak hours reduces costs without reducing total usage.

Frequently asked questions

What's a normal electricity bill for a house?

The national average is $130-$150/month for a typical household. However, "normal" varies significantly by location. In high-rate states like California or Hawaii, $200-$300 may be normal. In low-rate states like Idaho or Washington, $80-$100 may be typical. Climate matters too — households with electric heating or heavy AC use will exceed these averages. A bill is "normal" if it aligns with your local rates and usage patterns; compare against neighbors or local averages rather than national figures.

Why did my electric bill double this month?

Sudden bill spikes almost always trace to one of three causes: (1) Seasonal change — the first month of heavy AC or heating use can double consumption. Check your kWh usage, not just the dollar amount. (2) Rate increase — utilities periodically adjust rates, sometimes significantly. Check whether your ¢/kWh changed. (3) Estimated vs. actual reading — if your previous bill was estimated low and this one caught up, you're paying for past usage. Less common causes include a malfunctioning appliance, an additional occupant, or a billing error. Start by comparing this month's kWh to previous months.

How do I calculate my expected monthly bill?

Use this formula: (kWh usage × rate per kWh) + fixed fees = monthly bill. For example: 1,000 kWh × $0.15/kWh = $150, plus a $15 customer charge = $165/month. To estimate your usage, look at past bills or use rough guidelines: 400-700 kWh for a 1-bedroom apartment, 600-1,000 kWh for a 2-bedroom, 900-1,500 kWh for a 3-bedroom home. To find your rate, check your current bill or your utility's rate schedule. Remember that rates may vary by time of use or tier.

Does electricity cost more in summer or winter?

It depends on your climate and how your home is heated. In hot climates (Texas, Arizona, Florida), summer bills peak due to air conditioning — often 2-3x mild-weather months. In cold climates with electric heat (parts of the Northeast, Midwest), winter bills peak. Homes with gas heat and AC see summer peaks. In mild climates (Pacific coast, parts of California), bills stay relatively flat year-round. Some utilities also charge higher rates during peak demand periods, which may coincide with extreme weather.

Can I lower my bill without using less electricity?

Yes, if you live in a deregulated state. In states like Pennsylvania, Texas, Ohio, and parts of New York, you can choose your electricity supplier. The generation portion of your bill — typically 40-60% of the total — is open to competition. Switching to a lower-rate supplier can save 10-30% on generation without changing your usage. Other options include switching to time-of-use plans if your schedule allows off-peak usage, and eliminating minimum usage fees by staying above threshold levels.