Wholesale electricity price (USD / MWh) - United States (Midcontinent ISO Illinois hub) - EIA STEO - Monthly
This series is part of the dataset: US Wholesale electricity prices (monthly)
Download Full Dataset (.xlsx)Latest updates. At the Midcontinent ISO Illinois hub, the average wholesale electricity price was 52.40 USD / MWh in August 2026, versus 97.73 in the previous month. This represents a decrease of 46.38 percent.
Sample. There are 216 observations overall in the monthly series presented in the plot above. The series covers the time period extending from January 2010 to December 2027.
History. Here's a glimpse of a few statistics computed on the entire sample: the price hit a minimum of 20.64 USD / MWh in April 2020; it recorded its highest level of 110.22 in August 2022; it had an average value of 38.76.
Latest values
| Date | Value - USD / MWh |
|---|---|
| 2027-10-31 | 42.05796 |
| 2027-11-30 | 44.88731 |
| 2027-12-31 | 51.38718 |
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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
Discover the other time series included in this data set.