US EnergyData

Electricity price volatility

Add/remove states ▼
Clear all
Data source: U.S. Energy Information Administration — Form 861, Monthly Electric Power Industry Report  ·  Inflation adjustment: FRED CPIAUCSL
Note: Volatility is the sample standard deviation of the 12 monthly real electricity prices within each year, in US dollars.

What this data measures

The year-over-year volatility of retail electricity prices by state, measured as the standard deviation of annual price changes over a rolling window. Higher values indicate that prices in a state have been more unpredictable from year to year.

How this data is constructed

Retail electricity price data are sourced from the EIA Form EIA-861 survey. Volatility is computed as the rolling standard deviation of year-over-year price changes (in nominal cents per kilowatt-hour) for each state.

Source
U.S. Energy Information Administration, Form EIA-861 (Electric Power Annual)
Date range
1990–2024
Unit
Standard deviation of year-over-year nominal price changes (¢/kWh)
Last updated
Fall 2025
Next update
Annual — expected fall 2026