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Ameren Illinois
Ameren Illinois Company
IL · electric, gas
- Current parent
- Ameren
- Open cases
- 0
- Updated
- —
Current economics
Oversight and service
Proceedings
View all utility cases →Regulatory history
| Effective date | Proceeding | ROE | Common equity | Rate base |
|---|---|---|---|---|
| Current | Current electric profile Electric · Latest supported values | — Authorized · Jul 21, 2026 | — Authorized · Jul 21, 2026 | — Authorized · Jul 21, 2026 |
| Current | Current natural-gas profile Natural gas · Latest supported values | — Authorized · Jul 21, 2026 | — Authorized · Jul 21, 2026 | — Authorized · Jul 21, 2026 |
View full observation log (6)
| Metric | Date | Stage | Value | Scope |
|---|---|---|---|---|
| Common equity ratio | Jul 21, 2026 | authorized | — | Illinois electric retail jurisdiction |
| Rate base | Jul 21, 2026 | authorized | — | Illinois electric retail jurisdiction |
| Return on equity | Jul 21, 2026 | authorized | — | Illinois electric retail jurisdiction |
| Common equity ratio | Jul 21, 2026 | authorized | — | Illinois gas retail jurisdiction |
| Rate base | Jul 21, 2026 | authorized | — | Illinois gas retail jurisdiction |
| Return on equity | Jul 21, 2026 | authorized | — | Illinois gas retail jurisdiction |