Electricity Explained: Rates, kWh, and Your Bill

Learn everything about electricity bills, kWh usage, electric rates, delivery charges, and how your home electrical system works in plain English.

Electricity Explained: Rates, kWh, and Your Bill
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Data through 2026-07 · Source: U.S. EIA · Last refreshed October 2026

Quick Answer: what am I paying for?

Your electric bill has three moving parts: usage (kWh your meter counted), the rate your plan or tariff charges per kWh, and fixed charges that don’t move with usage. A typical U.S. household using 899 kWh/month at the June 2026 national average of 18.34¢/kWh pays about $164.88 for energy alone, before delivery charges, taxes, and fees. Start with the complete guide to understanding your utility bill, or go straight to delivery vs supply charges if those two lines are what confuse you.

What are you trying to solve?

What is electricity and how does it reach your home?

Electricity flows from generation through transmission and distribution lines to your meter, which records what you use. For how that flow shows up on your statement, see How to Read Your Electric Bill.

How electricity is measured: watts, kilowatts, and kilowatt-hours

Bills charge in kilowatt-hours (kWh) — energy used over time, not the watts an appliance draws at any instant. For the full unit breakdown and the kWh formula, see What Is a Kilowatt-Hour (kWh)?.

Understanding your electric bill

An electric bill has three parts — the energy (supply) charge, the delivery (distribution) charge, and fixed fees. For a line-by-line breakdown of each charge, see Electric Bill Breakdown: Every Charge Explained.

Annotated example electric bill: basic service charge $12.50, energy charge of 862 kWh at $0.1421 per kWh equaling $122.48, delivery charge $34.10, taxes and fees $9.87, total due $178.95, with each line labeled and explained
Anatomy of a typical electric bill. Illustrative example — rates and fees vary by utility.

Common rate structures: flat, tiered, and time-of-use

Your price per kWh depends on your tariff: flat (same all the time), tiered (higher as you use more), or time-of-use (higher at peak hours). For how each works and which fits your habits, see Time-of-Use Electricity Rates, Tiered Electricity Rates Explained, and Fixed vs Variable Utility Rates.

What uses the most electricity in a typical home?

Heating and cooling usually dominate, followed by water heating and appliances. For a usage breakdown by device, see How Many kWh Does a House Use per Day?.

Seasonal changes and why electric bills vary

Summer cooling and winter heating drive the biggest swings, and billing-cycle length can move the total too. For the causes of a high or rising bill, see Why Is My Electric Bill So High?.

How to reduce electricity usage without major investments

Thermostat adjustments, LEDs, power strips, and air sealing all cut usage without big spending. For the full checklist, see How to Lower Utility Bills.

Fixed vs. variable rate electricity plans

Fixed rates lock in a price per kWh for a set term; variable rates move with the market. For how to choose, see Fixed vs Variable Utility Rates.

Smart meters and real-time usage data

Smart meters record usage hourly or daily and feed a utility portal or app. For the best tools to track usage yourself, see Best Home Energy Monitor 2026.

Common misconceptions about electricity

Misconception: Leaving devices plugged in does not use electricity

Many devices draw standby (phantom) power even when off. Power strips that cut power completely reduce this waste.

### Misconception: Turning lights on and off wastes more electricity than leaving them on

False for modern bulbs. Turning off lights when you leave a room always saves energy, especially with LEDs.

### Misconception: Electric heat is always more expensive than gas heat

It depends on local rates and system efficiency. Efficient heat pumps can compete with gas where electric rates are low or winters are mild.

For the full library of electricity guides, jump to the Browse Our Electricity Guides directory below.

Frequently asked questions

How much electricity does the average home use?

In the United States, a typical household uses about 800 to 1,000 kWh per month. This varies widely by climate, home size, and heating or cooling type.

### Can I lower my electric bill without changing my habits?

Small equipment upgrades like LED bulbs, efficient power strips, and programmable thermostats can reduce usage without requiring major behavior changes. Sealing air leaks and improving insulation also help.

### What is the difference between energy and delivery charges?

The energy charge is usage-based; delivery charges may be fixed, per-kWh, or both depending on the utility.

### Do smart meters increase my bill?

No. Smart meters measure usage more accurately, which can reveal waste you did not notice before. The meter itself does not change how much electricity you use.

### Should I switch to a time-of-use plan?

If you can shift most usage to off-peak hours, a time-of-use plan can save money. If you are home during peak hours and cannot adjust usage, a flat-rate plan may be simpler.

Browse Our Electricity Guides

For the cross-utility savings program — electric, gas, and water together, ranked by payback — see the Lower Your Bills hub.

Explore our complete library of electricity bill guides, organized by topic:

Understanding Your Bill

Why Your Bill Is High

Electricity Rates and Plans

Meters and Usage

Lower Your Electric Bill

How we got these numbers

Cost ranges reflect typical U.S. utility bills and are labeled as estimates, not guarantees. Rates, climates, and providers vary by region. Read our methodology to see how we calculate and review these figures.