Wholesale electricity price (USD / MWh) - United States (Midcontinent ISO Illinois hub) - EIA STEO - Monthly
This series is part of the dataset: US Wholesale electrictiy prices (monthly)
Download Full Dataset (.xlsx)Latest updates. At the Midcontinent ISO Illinois hub, the average wholesale price of electricity was 47.78 USD / MWh in December 2025, versus 40.84 in the previous month. This marks a rise of 16.99 percent.
Sample. There are 204 observations overall in the monthly time series presented in the figure above. The period covered by the series goes from January 2010 to December 2026.
History. Here's a peek at a few statistics computed on the full sample: the price reached its minimum of 20.64 USD / MWh in April 2020; it recorded its highest level of 110.22 in August 2022; it averaged 38.15.
Latest values
| Date | Value - USD / MWh |
|---|---|
| 2026-10-31 | 44.30185 |
| 2026-11-30 | 47.16924 |
| 2026-12-31 | 50.99913 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Wholesale electricity price |
| Country or region | US - Midcontinent ISO Illinois hub |
| Economic concept | Price |
| Data type | Nominal price |
| Seasonally adjusted | No |
| Frequency | Monthly |
| Unit | USD / MWh |
| Source | U.S. Energy Information Administration (EIA) |
| Source type | Government Agency |
| Data licence | Public domain |
| Measure type | Level |
Series in the same data set
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