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All 50 States — Residential Electricity Rates
| # | State | Rate (¢/kWh) | Avg Bill/Mo | vs National Avg | YoY Change |
|---|
5 Cheapest States for Electricity
5 Most Expensive States for Electricity
Understanding Electricity Rates Across the US
Electricity rates in the United States vary dramatically from state to state, driven by differences in energy sources, infrastructure costs, regulations, and local demand. The national average residential rate sits at approximately 16.6 cents per kWh, but individual states range from under 9 cents to over 43 cents per kWh.
Why Are Some States So Much Cheaper?
States with the lowest electricity rates typically benefit from one or more of these factors: abundant hydroelectric power (Washington, Idaho, Oregon), low-cost natural gas (Louisiana, Oklahoma, Arkansas), significant nuclear generation (Illinois), or deregulated markets with strong competition. Geographic isolation and reliance on imported fuels — as in Hawaii and Alaska — drive rates higher.
How Are Electricity Rates Set?
In regulated markets (about 35 states), utility companies propose rates to a public utility commission, which approves or modifies them. In deregulated states (like Texas, Pennsylvania, and Ohio), consumers can choose their electricity provider, and competition helps set prices. Both systems factor in fuel costs, infrastructure maintenance, transmission losses, and state/local taxes.
The Impact on Monthly Bills
Your monthly bill depends on both the rate and your consumption. A household in Washington paying 10.5¢/kWh and using 886 kWh pays about $93/month, while the same usage in Connecticut at 29.3¢/kWh costs $260/month — nearly three times as much. Climate plays a huge role in consumption: hot southern states use more AC, while northern states may have higher heating costs (though many heat with gas, not electricity).
Year-Over-Year Rate Changes
Electricity rates have been rising nationally at roughly 3–6% per year, driven by infrastructure upgrades, the transition to renewable energy, and rising fuel costs. Some states have seen sharper increases due to extreme weather events, grid modernization efforts, or shifts in fuel markets.
Frequently Asked Questions
Which US state has the cheapest electricity?
Idaho, Louisiana, and Washington consistently have the lowest residential electricity rates in the US, typically under 10 cents per kWh. Idaho benefits from abundant hydroelectric power, Louisiana from cheap natural gas, and Washington from the massive Columbia River hydroelectric system.
Which US state has the most expensive electricity?
Hawaii has the highest rates at over 43 cents per kWh due to its reliance on imported petroleum. On the mainland, Connecticut, Massachusetts, and Rhode Island have the highest rates, typically between 25–30 cents per kWh.
What is the average electricity rate in the US?
The national average residential electricity rate is approximately 16.6 cents per kWh. The average US household uses about 886 kWh per month, resulting in an average monthly bill of roughly $147.
Why do electricity rates vary so much between states?
Rates vary due to differences in fuel sources, infrastructure costs, state regulations and taxes, climate-driven demand, transmission distances, and whether the state has a deregulated or regulated energy market.
How can I lower my electricity bill regardless of my state's rates?
Focus on reducing consumption: switch to LED lighting, use a programmable thermostat, seal air leaks, upgrade to Energy Star appliances, and consider solar panels. In deregulated states, you can also shop around for a cheaper electricity provider.
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