Electricity Bill Calculator
Estimate your monthly electricity bill using either total kWh or per-appliance wattage, with state rates, fixed fees, and tax. Compare to the US average of $137/month.
US average residential usage: ~879 kWh/month
US average: $0.156/kWh
Service charge on your bill
Utility + sales tax
Monthly Bill
900 kWh used
Daily Cost
average per day
Yearly Cost
12-month projection
Bill Breakdown
U.S. Electricity Bill Statistics 2026
$137/mo
average residential electricity bill in the United States, equivalent to $1,644/year (EIA Form EIA-861, 2025)
879 kWh
monthly residential consumption per US household, with a national average rate of $0.156/kWh (EIA, 2025)
+25%
cumulative residential electricity rate increase from 2014 to 2025, outpacing CPI inflation in 41 of 50 states (EIA Electric Power Monthly)
The average American household pays $137 per month for electricity, but actual bills range from $90 in low-rate states like Idaho to over $215 in Hawaii. Three factors determine your bill: how much energy your home uses (kWh), what your utility charges per kWh, and how much fixed service fees and taxes are added on top. The calculator above lets you model all three and see exactly where your money goes. Use our Electricity Cost Calculator for per-device costs, our Solar Savings Calculator to estimate solar offset, and our Appliance Calculator to find efficiency upgrades.
How to Calculate Your Electricity Bill
An electricity bill has three components: the energy charge (cents per kWh × kWh used), a fixed monthly service or customer charge, and tax. The standard formula is straightforward:
Total Bill = (kWh × $/kWh) + Fixed Fee + Tax%
For example, a household using 900 kWh at $0.16/kWh with a $12 service fee and 5% tax: (900 × 0.16) + 12 = $156, plus 5% tax = $163.80/month. Multiply by 12 to get the annual bill.
If you do not know your monthly kWh, you can estimate it from individual appliances. Watts × hours per day × days per month, divided by 1,000, gives you kWh for that appliance. Sum all major appliances and add 10-20% for phantom loads (devices in standby mode, chargers, smart speakers, etc.).
Average Electricity Bill by State (2025-2026)
Electricity bills vary dramatically across the United States due to differences in generation mix, regulation, climate, and home size. Per the U.S. Energy Information Administration (Form EIA-861), here are average residential bills for select states:
| State | Avg Rate ($/kWh) | Avg Monthly kWh | Avg Monthly Bill |
|---|---|---|---|
| Hawaii | $0.42 | 510 | $215 |
| California | $0.30 | 540 | $165 |
| Massachusetts | $0.28 | 600 | $172 |
| New York | $0.22 | 600 | $140 |
| Florida | $0.15 | 1,140 | $175 |
| Texas | $0.14 | 1,170 | $165 |
| Tennessee | $0.12 | 1,250 | $155 |
| Utah | $0.11 | 800 | $92 |
| Idaho | $0.10 | 980 | $98 |
Source: EIA Form EIA-861 (annual electric utility data), 2025. Bills include the energy charge plus typical fixed fees and taxes.
Notice that high-rate states like Hawaii and California have lower kWh consumption (smaller homes, mild climates), which partially offsets the rate. Texas and Florida have moderate rates but high consumption due to AC-heavy summers. Use our Electricity Cost Calculator to model your specific scenario.
Top Electricity Consumers in a Typical Home
Knowing which appliances drive your bill is the fastest way to lower it. Per Department of Energy and EIA Residential Energy Consumption Survey data, here is the typical breakdown of household electricity consumption:
| Appliance / End-Use | Typical Wattage | % of Bill | Annual Cost* |
|---|---|---|---|
| Central AC | 3,000 - 5,000 W | 15-27% | $250 - $440 |
| Electric Water Heater | 4,000 - 5,500 W | 12-18% | $200 - $300 |
| Electric Heat (resistive) | 10,000 - 20,000 W | 10-30% | $160 - $500 |
| Refrigerator | 100 - 200 W | 5-7% | $85 - $115 |
| Lighting (whole home) | Varies | 5-10% | $80 - $165 |
| Electric Dryer | 3,000 W | 3-4% | $55 - $75 |
| Pool Pump (if applicable) | 1,500 W | 5-10% | $300 - $700 |
| Standby / Phantom Loads | 50 - 100 W avg | 5-10% | $70 - $165 |
* Estimates assume $0.16/kWh national average. Actual costs vary by usage patterns, climate, and home size.
The top three appliances (HVAC, water heating, and refrigeration) typically account for 50-65% of the bill. Replacing an old electric water heater with a heat pump water heater can cut its energy use by 60-70%. Switching from resistive heat to a heat pump can deliver 200-400% efficiency gains. See our Heat Pump Calculator for the full ROI math.
Tiered Rates and Time-of-Use Pricing
Most utilities use one of three pricing structures, and which one applies to you can change your bill calculation by 20-50%:
- Flat rate: One price per kWh regardless of how much you use or when. Simple but often the most expensive in high-rate states.
- Tiered rate: The first 500-700 kWh might cost $0.13/kWh, but everything above that jumps to $0.20-0.30/kWh. Common in California, Arizona, and parts of the Northeast. The calculator above uses a single rate, so input your blended average.
- Time-of-use (TOU): Cheap overnight (e.g., $0.10), medium daytime (e.g., $0.18), expensive 4-9 PM peak (e.g., $0.45). Common under California NEM 3.0 and Texas competitive plans. Shifting laundry, dishwasher, and EV charging to off-peak hours can cut bills by 15-30%.
Strategies to Lower Your Electricity Bill
1. Audit your top three energy users
Use the appliance mode above to identify your biggest cost contributors. The top three almost always account for 50-65% of the bill, so optimization here yields the highest ROI.
2. Upgrade to ENERGY STAR HVAC
A SEER 18+ heat pump uses 40-60% less energy than a SEER 13 baseline AC plus electric resistance heat. Federal Section 25C tax credit covers up to $2,000 of the install. Average savings: $400-$1,000/year.
3. Switch to LED lighting
A 10W LED replacing a 60W incandescent saves $7-$15/year per bulb. With 20+ bulbs in a typical home, that is $140-$300/year recovered.
4. Install a smart thermostat
EPA studies show smart thermostats save 8-15% on heating and cooling, equivalent to $100-$200/year. They typically pay for themselves in 12-18 months.
5. Consider solar with net metering
In states with full retail net metering, a properly sized solar system can offset 80-100% of the energy charge. The 30% federal Investment Tax Credit reduces system cost. See our Solar Savings Calculator and Solar Payback Calculator.
6. Eliminate phantom loads
Devices in standby (TVs, game consoles, chargers, smart speakers, set-top boxes) can draw 50-100W continuously, costing $70-$150/year. Smart power strips that cut power when devices are idle pay for themselves in 6-12 months.
Bill Calculation Edge Cases
Several edge cases can throw off a quick estimate. Here are the most common:
- Demand charges: Some utilities (especially in commercial tariffs and a handful of residential markets) bill not just for kWh but also for peak instantaneous demand in kW. A single high-draw event can dominate the bill.
- Minimum bill / customer charge: Even if you use zero kWh in a month, you still owe the fixed customer charge ($5-$25). Solar customers in non-net-metering states often hit this floor.
- Net metering credits: Solar exporters under full retail net metering get credited at the retail rate, effectively reducing the energy charge to zero or negative. The calculator does not model this — see our Solar Savings Calculator.
- Fuel adjustment / rider charges: Many utilities pass through fuel cost volatility via a separate line item. These can add $0.01-$0.04/kWh on top of the base rate, especially in winter natural gas spikes.
- Tier transitions: If you have tiered rates, a single hot week can push you into a higher tier for the entire billing period. Use the calculator with your effective blended rate (total bill / total kWh from a recent statement).
Frequently Asked Questions
How is my electricity bill calculated?
Your bill equals (monthly kWh × rate per kWh) plus any fixed monthly service fees, with sales tax applied to the subtotal. The kWh portion reflects actual energy used, while fixed fees cover meter reading, billing, and basic grid connection. Most US utilities charge $5-$25 in fixed monthly fees and 3-8% in taxes on top of the energy charge.
What is the average electricity bill in the United States?
The average residential electricity bill in the US is approximately $137 per month (EIA Form EIA-861, 2025), or $1,644 per year. This reflects an average usage of around 879 kWh at the national average rate of about $0.156/kWh. Bills vary widely by state: Hawaii averages $215/month, California $145, while Utah and Idaho average closer to $90/month.
How many kWh does my home use per month?
A typical US home uses 800-1,200 kWh per month. Small apartments may use 400-600 kWh, while large homes with central AC, electric heat, or pool equipment can use 2,000+ kWh. The biggest contributors are heating and cooling (45-50% of usage), water heating (12-18%), refrigeration (5-7%), and lighting (5-10%). Check your utility bill for the exact number — it is listed alongside the meter reading.
What is a kilowatt-hour (kWh)?
A kilowatt-hour is the standard unit of electrical energy used by utilities for billing. One kWh equals 1,000 watts running for one hour. So a 100-watt bulb running for 10 hours uses 1 kWh. A 3,500-watt central AC running for 6 hours uses 21 kWh. Multiply that by your $/kWh rate to get the cost.
Why did my electricity bill go up?
The most common reasons are seasonal HVAC use (AC in summer, electric heat in winter), a new appliance, rate increases by your utility, billing-period length differences (some bills cover 28 days, others 33), or a malfunctioning appliance drawing more current than expected. Compare kWh used (not just dollar amount) month-over-month to isolate rate increases from usage increases.
How can I lower my electricity bill?
The biggest savings come from upgrading to ENERGY STAR appliances (especially HVAC and water heaters), sealing air leaks, switching to LED lighting (10W vs 60W = 83% less energy), and shifting heavy loads to off-peak hours if your utility offers time-of-use rates. Solar panels can eliminate most of the energy charge entirely. Use our Solar Savings Calculator and Heat Pump Calculator to model the savings.
What is the highest-cost appliance in my home?
In most homes, central air conditioning is the single biggest electricity user, accounting for 12-27% of annual usage. Electric water heaters come second (~14%), followed by refrigerators, electric dryers, and lighting. A pool pump running 8 hours a day can add $30-$60/month. Use the appliance mode in the calculator above to see your specific top contributors.
Are electricity rates the same in every state?
No. Per the EIA, residential rates range from $0.10/kWh in Idaho and Utah to over $0.42/kWh in Hawaii. California, Massachusetts, Connecticut, Rhode Island, and Alaska all average above $0.25/kWh. Texas and Pennsylvania have deregulated markets where you can choose your supplier. Check your most recent bill for your exact rate, including any per-tier or time-of-use multipliers.