Illinois Energy®
Price History for the
Nicor Gas Territory
The table below shows Illinois Energy's PriceCap® variable rates and Nicor Gas' gas supply costs for the past 12 months.
| Offer Month | PriceCap Plan Variable Rate | Nicor Gas' Supply Cost |
|---|---|---|
| Sep 2026 | $0.489/per therm | $0.33/per therm |
| Aug 2026 | $0.475/per therm | $0.36/per therm |
| Jul 2026 | $0.5115/per therm | $0.36/per therm |
| Jun 2026 | $0.487/per therm | $0.36/per therm |
| May 2026 | $0.452/per therm | $0.36/per therm |
| Apr 2026 | $0.504/per therm | $0.46/per therm |
| Mar 2026 | $0.504/per therm | $0.49/per therm |
| Feb 2026 | $0.849/per therm | $0.54/per therm |
| Jan 2026 | $0.729/per therm | $0.42/per therm |
| Dec 2025 | $0.689/per therm | $0.39/per therm |
| Nov 2025 | $0.541/per therm | $0.39/per therm |
| Oct 2025 | $0.488/per therm | $0.39/per therm |