Guides

Practical explanations built on the same public data as our state pages.

Each guide answers one question about U.S. home electricity bills with figures from the U.S. Energy Information Administration, dated to the data month they use. For your own state's numbers, start from the state ranking or the bill calculator.

All guides

• Why electricity prices differ so much by state
  The average U.S. price was 18.16¢/kWh in August 2026, but state averages vary widely. What drives the gap, and why a high price does not always mean a high bill.
• Why electric bills spike in summer
  Air conditioning is the largest home use of electricity. See which states have the highest average bills (Hawaii: $269) and how to read a summer bill.
• How to estimate your monthly energy bill
  A simple formula, price × usage, with U.S. averages (18.16¢/kWh, 1,152 kWh) and a free calculator to estimate your own electric bill.
• How to read your electric bill in 4 numbers
  Find your usage, your real price per kWh and the fixed charges on your electric bill, then compare them with your state and the U.S. average of $209.