Indiana Michigan Power 2020 electric rate case
U-20359 · Opened —
Closed
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Indiana Michigan Power
Indiana Michigan Power Company — Michigan
MI · electric
- Open cases
- 0
- Updated
- Jul 20, 2026
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 | 9.86% Authorized · Jul 1, 2024 | 48% Authorized · Jul 1, 2024 | $6.89B Disclosed actual · Dec 31, 2025 |
| Jul 2, 2024 | Indiana Michigan Power 2024 electric rate case U-21461 · Electric Compare stagesROE Authorized 9.86% → Utility request 10.5% | 9.86% Authorized · Jul 2, 2024 | — | — |
View full observation log (7)
| Metric | Date | Stage | Value | Scope |
|---|---|---|---|---|
| Common equity ratio | Jul 1, 2024 | authorized | 48% | Common-equity component of the Michigan retail capital structure. |
| Rate base | Dec 31, 2025 | disclosed actual | $6.89B | Company-disclosed I&M rate-base proxy across Michigan, Indiana, and FERC wholesale operations. |
| Return on equity | Jul 1, 2024 | authorized | 9.86% | Indiana Michigan Power's Michigan retail electric base rates. |
| Annual revenue change | Jul 2, 2024 | authorized | $17.33M/year | Total company rate-case request or Commission-authorized outcome |
| Annual revenue change | Jul 2, 2024 | utility request | $34M/year | Total company rate-case request or Commission-authorized outcome |
| Return on equity | Jul 2, 2024 | authorized | 9.86% | Total company rate-case request or Commission-authorized outcome |
| Return on equity | Jul 2, 2024 | utility request | 10.5% | Total company rate-case request or Commission-authorized outcome |