The table below shows Illinois Energy's TruBalance® Plan variable rates and Peoples Gas' gas supply costs for the past 12 months.
| Offer Month | TruBalance Variable Rate | Peoples' Gas Supply Cost |
|---|---|---|
| Sep 2025 | $0.709/per therm | $0.3005/per therm |
| Aug 2025 | $0.739/per therm | $0.4315/per therm |
| Jul 2025 | $0.666/per therm | $0.4941/per therm |
| Jun 2025 | $0.720/per therm | $0.5543/per therm |
| May 2025 | $0.701/per therm | $0.5900/per therm |
| Apr 2025 | $0.687/per therm | $0.5279/per therm |
| Mar 2025 | $0.695/per therm | $0.4070/per therm |
| Feb 2025 | $0.675/per therm | $0.3894/per therm |
| Jan 2025 | $0.762/per therm | $0.3345/per therm |
| Dec 2024 | $0.739/per therm | $0.3173/per therm |
| Nov 2024 | $0.658/per therm | $0.3212/per therm |
| Oct 2024 | $0.708/per therm | $0.3006/per therm |