Final-user natural gas price: commercial: Illinois (USD/thousand cubic feet) - United States - EIA - Monthly
This series is part of the dataset: Final-user gas prices (US)
Download Full Dataset (.xlsx)Latest updates. In Illinois, the average price of natural gas delivered to commercial consumers stood at 18.94 USD per thousand cubic feet in July 2026, compared to 17.67 in June. This constitutes a gain of 7.19 percent.
Sample. There are 451 observations overall in the monthly series displayed in the figure above. The period covered by the series goes from January 1989 to July 2026.
History. Here's a glimpse of some statistics calculated on the full sample: the average price of natural gas delivered to commercial consumers hit a trough of 4.00 USD per thousand cubic feet in December 1995; it hit a maximum of 24.52 USD per thousand cubic feet in July 2022; it was equal on average to 8.81 USD per thousand cubic feet.
Latest values
| Date | Value - USD/thousand cubic feet |
|---|---|
| 2026-05-31 | 14.3300 |
| 2026-06-30 | 17.6700 |
| 2026-07-31 | 18.9400 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Average price of natural gas delivered to commercial consumers in Illinois |
| Country | United States |
| Economic concept | Price |
| Data type | Price |
| Seasonally adjusted | No |
| Deflation method | Current prices |
| Rescaling | None |
| Measure type | Level |
| Frequency | Monthly |
| Unit | USD/thousand cubic feet |
| Source | U.S. Energy Information Administration (EIA) |
| Source type | Government agency |
| Data licence | Public domain |
| Other information | Not available |
| FSR temporal aggregation code | LM1 |
Series in the same data set
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