AEP Ohio 2025 electric distribution rate case
25-392-EL-AIR · Opened May 30, 2025
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Ohio Power Company
OH · electric
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- 1
- Updated
- Jul 22, 2026
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| Effective date | Proceeding | ROE | Common equity | Rate base |
|---|---|---|---|---|
| Current | Current electric profile Electric · Latest supported values | 9.84% Authorized · Mar 31, 2026 | 50.9% Authorized · Mar 31, 2026 | $8.89B Disclosed actual · Dec 31, 2025 |
| May 30, 2025 | AEP Ohio 2025 electric distribution rate case 25-392-EL-AIR · Test year ending November 30, 2025 · Electric | 10.9% Utility request · May 30, 2025 | 50.9% Utility request · May 30, 2025 | $5.1B Utility request · May 30, 2025 |
View full observation log (14)
| Metric | Date | Stage | Value | Scope |
|---|---|---|---|---|
| Large Load Credit Collateral | Jul 23, 2025 | mechanism authorized | 50% of total minimum charges for the full contract term Collateral is waived only if the customer meets both the specified A-/A3 ratings and the liquidity test exceeding ten times the collateral requirement. | AEP Ohio Schedule DCT |
| Large Load Eligibility Threshold | Jul 23, 2025 | mechanism authorized | More than 25 MW | AEP Ohio Schedule DCT |
| Large Load Exit Fee | Jul 23, 2025 | mechanism authorized | 36 months of minimum charges after year five The tariff summary permits termination after the fifth post-ramp contract year upon payment of the stated exit charge. | AEP Ohio Schedule DCT |
| Large Load Generation Resource Costs | Jul 23, 2025 | mechanism authorized | Not identified in AEP Ohio sources | AEP Ohio Schedule DCT |
| Large Load Infrastructure Cost Responsibility | Jul 23, 2025 | mechanism authorized | Tiered study fees; full upgrade security is project-specific | AEP Ohio Schedule DCT |
| Large Load Minimum Contract Term | Jul 23, 2025 | mechanism authorized | Load-ramp period plus 8 years | AEP Ohio Schedule DCT |
| Large Load Minimum Payment | Jul 23, 2025 | mechanism authorized | 85% above the first 25 MW · 100% above 75 MW The tariff uses a tiered formula rather than one flat percentage for the customer's full contract capacity. | AEP Ohio Schedule DCT |
| Common equity ratio | May 30, 2025 | utility request | 50.9% | Requested ratemaking capital structure common-equity layer. |
| Rate base | May 30, 2025 | utility request | $5.1B | Requested Ohio electric distribution rate base. |
| Annual revenue change | May 30, 2025 | utility request | $97M/year | Requested net annual distribution revenue increase. |
| Return on equity | May 30, 2025 | utility request | 10.9% | Requested common-equity return for AEP Ohio's distribution rate case. |
| Common equity ratio | Mar 31, 2026 | authorized | 50.9% | AEP Ohio distribution authorized capital structure; 49.1% debt and 50.9% equity. |
| Rate base | Dec 31, 2025 | disclosed actual | $8.89B | AEP Ohio company-disclosed total distribution and transmission rate-base proxy. |
| Return on equity | Mar 31, 2026 | authorized | 9.84% | AEP Ohio distribution authorized return on equity. |