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 was 18.94 USD per thousand cubic feet in July 2026, compared to 17.67 in June. This represents an increase of 7.19 percent.
Sample. There are 451 data points overall in the monthly series presented in the plot above. The span of time covered by the series extends from January 1989 to July 2026.
History. Check out a few simple statistics we computed on the entire sample: the average price of natural gas delivered to commercial consumers reached its maximum of 24.52 USD per thousand cubic feet in July 2022; it reached a minimum of 4.00 USD per thousand cubic feet in December 1995; it had a mean value of 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
Discover the other time series included in this data set.