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 stood at 41.07 USD / MWh in October 2025, compared to 46.00 in September. This represents a reduction of 10.72 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 glimpse of some simple statistics we calculated on the full sample: the price had a mean of 38.08 USD / MWh; it hit a peak of 110.22 in August 2022; it hit a minimum of 20.64 in April 2020.
Latest values
| Date | Value - USD / MWh |
|---|---|
| 2026-10-31 | 45.32277 |
| 2026-11-30 | 48.31621 |
| 2026-12-31 | 52.90621 |
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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 |