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 price of electricity was 33.88 USD / MWh in May 2026, versus 33.68 in the previous month. This marks a gain of 0.59 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. Have a look at some summary statistics calculated on the full sample: the price peaked at 110.22 USD / MWh in August 2022; it reached its lowest level of 20.64 in April 2020; it was equal on average to 38.35.
Latest values
| Date | Value - USD / MWh |
|---|---|
| 2027-10-31 | 39.37197 |
| 2027-11-30 | 41.99381 |
| 2027-12-31 | 48.70393 |
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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.