Illinois Electricity Price History
Updated monthly • Last reviewed January 15, 2026 • Methodology
This monthly series shows the state-level average residential electricity price in cents per kWh and is intended for trend context.
Trend: Up from 2024-02 (15.60¢/kWh) to 2026-01 (16.36¢/kWh)
Source: U.S. Energy Information Administration (EIA) (updated January 2026)
Showing 24 of 301 months. All history
| Month | Avg rate (¢/kWh) |
|---|---|
| 2024-02 | 15.60 |
| 2024-03 | 15.95 |
| 2024-04 | 16.51 |
| 2024-05 | 16.52 |
| 2024-06 | 16.01 |
| 2024-07 | 15.19 |
| 2024-08 | 15.62 |
| 2024-09 | 15.80 |
| 2024-10 | 16.48 |
| 2024-11 | 17.06 |
| 2024-12 | 15.96 |
| 2025-01 | 15.78 |
| 2025-02 | 16.47 |
| 2025-03 | 17.55 |
| 2025-04 | 18.28 |
| 2025-05 | 18.58 |
| 2025-06 | 18.29 |
| 2025-07 | 17.22 |
| 2025-08 | 18.06 |
| 2025-09 | 19.05 |
| 2025-10 | 18.74 |
| 2025-11 | 18.31 |
| 2025-12 | 17.07 |
| 2026-01 | 16.36 |