Regional Electricity Markets and Price Differences

Electricity prices differ widely across regions of the United States. State-level rates can vary by a factor of three or more. This section explains why regional price differences exist and what factors can influence them. See electricity plan comparison guidance and electricity shopping by state for how to use this context.

National Electricity Context

  • National average rate: 17.57¢/kWh
  • Estimated monthly bill at 900 kWh: $158.13
  • Highest state: Hawaii (41.30¢/kWh)
  • Lowest state: Idaho (11.74¢/kWh)

Source: national snapshot. Data from EIA residential retail sales.

Factors That Can Influence Regional Prices

Several factors can contribute to regional electricity price differences:

  • Generation mix — Different regions use different fuel sources and generation technologies.
  • Grid infrastructure — Transmission and distribution costs vary by region.
  • Fuel access — Proximity to natural gas, coal, hydropower, or renewables affects costs.
  • Market structure — Organized wholesale markets vs. regulated utilities.
  • Regulation — State policies, taxes, and renewable mandates influence prices.

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Related topic clusters

Market structure, cost drivers, and price dynamics.

Related Pages

Electricity topics | Electricity markets | Electricity cost | Site map