Why Electricity Costs More in Some States Than Others
The same kilowatt-hour costs 12.72 cents in Louisiana and 48.00 cents in Hawaii, about 3.8 times as much. The difference comes down to what the electricity is made from, how far it travels, and what the grid costs to maintain.
Key points
- The most expensive state charges about 3.8 times as much per kWh as the cheapest.
- Fuel is the biggest factor: imported oil is costly, old hydro dams are cheap.
- A high price does not mean a high bill; states with mild climates use far fewer kWh.
The range today
The average U.S. residential price is 18.31 cents per kWh (July 2026). The five most expensive states are Hawaii, California, Maine, Massachusetts and New York; the five cheapest are Louisiana, Nevada, Utah, North Dakota and Tennessee. The chart above shows all of them, and the rates by state table has the exact figures.
1. What the electricity is made from
The fuel a state relies on is the single largest factor. According to the Energy Information Administration's state profiles for 2024:
- Hawaii generates most of its electricity from petroleum, which must be shipped in. Oil is the most expensive common fuel for power generation, and Hawaii has the highest prices in the nation.
- Washington, Oregon and Idaho rely mainly on hydroelectric dams built decades ago. Water is free, and prices there are among the lowest.
- Wyoming, West Virginia, North Dakota and Kentucky burn coal mined close to the power plants.
- Iowa, Kansas, South Dakota and New Mexico now get more electricity from wind than from any other source.
- Most other states, including Texas, Florida, California and New York, rely mainly on natural gas, so their prices follow the gas market.
Every one of our state pages shows the main source of electricity for that state.
2. Geography and distance
Fuel has to reach the power plant, and power has to reach the customer. New England sits at the end of the natural gas pipeline network, and on the coldest days there is not enough pipeline capacity for both heating and power generation, which pushes prices up. Alaska and Hawaii are not connected to the main North American grid at all, so they cannot import cheaper power from a neighbor.
Sparsely populated states need more miles of line for each customer, and mountainous or forested terrain makes those lines costlier to build and maintain.
3. The cost of the grid itself
A growing share of the bill pays for delivery rather than for the electricity itself: poles, wires, substations and the crews that repair them. States that have had to rebuild after hurricanes, bury lines, or harden equipment against wildfire carry those costs in their rates for years. In California, grid and wildfire-related costs are a large part of why prices are so high.
4. Policy and market design
States regulate electricity differently. In some, a single utility generates and delivers power at prices approved by regulators. In others, customers can choose a supplier and prices follow the wholesale market more closely. Neither model is reliably cheaper. State policies also add charges to fund efficiency programs, bill assistance or clean-energy targets, and taxes on electricity vary.
Prices also move over time
State averages are not fixed. They change from month to month with the season and the cost of fuel, and most have risen over the past several years as utilities replace aging equipment and connect new demand. The ranking of states changes slowly, but it does change.
The figures on this site are refreshed automatically each month from the Energy Information Administration's Electric Power Monthly, so the prices quoted on this page are the latest official ones, for July 2026.
A high price does not always mean a high bill
Price per kWh is only half of a bill. The other half is how many kWh a home uses, and the two often pull in opposite directions.
| State | Average use per month (2024) | Average price (2024) | Average bill (2024) |
|---|---|---|---|
| Hawaii | 495 kWh | 42.86¢ | $212.12 |
| California | 503 kWh | 31.97¢ | $160.86 |
| U.S. average | 863 kWh | 16.48¢ | $142.26 |
| Texas | 1,096 kWh | 14.94¢ | $163.72 |
| Louisiana | 1,202 kWh | 11.73¢ | $140.96 |
| Utah | 774 kWh | 12.22¢ | $94.57 |
California's price is almost three times Louisiana's, yet the average bills are only about $20 apart, because the mild climate means California homes use less than half as much. Texas has below-average prices and above-average bills. Utah combines low prices with modest use and has one of the lowest bills in the country.
What you can and cannot control
You cannot change your state's fuel mix or the cost of its grid. You can check whether you are on the best rate plan your utility offers, whether a time-of-use plan suits you, and, in states with retail choice, whether a supplier's offer beats the default price. And you can reduce the kWh, which matters most where the price is highest: see ways to lower your electric bill.
Frequently asked questions
Which state has the most expensive electricity?
Hawaii, at 48.00 cents per kWh in July 2026, followed by California and Maine.
Which state has the cheapest electricity?
Louisiana, at 12.72 cents per kWh, followed by Nevada and Utah.
Why is electricity so expensive in California?
Mainly the cost of the grid: wildfire prevention and liability, transmission and distribution investment, and public programs funded through rates. The mild climate keeps use low, so the average bill is closer to the national average than the price suggests.
Sources
- U.S. Energy Information Administration, Electric Power Monthly (state electricity prices)
- U.S. Energy Information Administration: State Electricity Profiles
- U.S. Energy Information Administration: Average monthly residential bill by state, 2024
Electricity prices are the EIA figures for July 2026. Wattages are typical values; check the label on your own appliance.
Keep reading
- How to Calculate the Electricity Cost of Any Appliance
- How to Read Your Electric Bill and Find Your Real Price per kWh
- 12 Ways to Lower Your Electric Bill, Ranked by How Much They Save
- What Uses the Most Electricity in a Home? Biggest Loads Ranked
- kW vs. kWh: The Difference, in Plain English
- Time-of-Use Electricity Rates Explained: Peak vs. Off-Peak
- Standby Power: What "Phantom Load" Really Costs
- How to Find the Wattage of Any Appliance
- Electricity rates by state