American Electric Power’s opportunity to serve electricity-hungry data centers depends on more than demand: customers must commit to paying for the infrastructure needed to connect them. Its AEP Ohio tariff, effective since July 2025, sets minimum billing obligations and cancellation protections, while the utility’s next round of project studies was scheduled to begin on October 1, 2026.
Key Takeaways
- Data-center service contracts combine a ramp-up period of up to four years with eight additional years.
- Customers that cancel or substantially delay projects before energization face reimbursement obligations for buildout costs.
- Project requests must pass studies and planning approvals before they become operating electricity demand.
Table of Contents
- AEP Ohio tariff connects power requests with financial backing
- Studies precede contracts and grid connections
- Cancellation terms address infrastructure risk
- Conclusion
AEP Ohio tariff connects power requests with financial backing
The growth of AI computing is increasing attention on utilities’ ability to supply large, reliable electricity loads. For AEP, specialized contracts address a related question: who pays if a data center requests substantial grid capacity but later uses less electricity or abandons the project?
AEP Ohio’s data-center service requirements establish minimum demand charges, financial security requirements and long-term commitments. These provisions are designed to reduce the risk that other customers shoulder infrastructure costs associated with data-center development.
Minimum demand charges depend on contract capacity and previous billing demand. The tariff also provides a staged load ramp, rather than assuming a facility reaches its full contracted demand immediately.
| Item | Details |
|---|---|
| Regulatory adoption | July 9, 2025 |
| Compliance tariff filing | July 11, 2025 |
| Tariff effective date | July 23, 2025 |
| One-time load-study fee | $10,000–$100,000, payable within 45 days |
Studies precede contracts and grid connections
Ohio Power’s published timetable set September 30, 2026, as the application deadline for a study round scheduled to begin October 1. The timetable does not itself establish that studies have been completed or that the projects have begun receiving electricity.
All new data centers and expansions seeking service must apply. Requests of 25,000 kilowatts or greater must also pay a load-study fee and follow the utility’s detailed service-planning process.
After completing a study and developing a service plan, the utility presents a Letter of Agreement and an Electric Service Agreement. Customers have 60 days to sign or forfeit their place. Final service plans remain subject to regional transmission organization review and approval.
Cancellation terms address infrastructure risk
The Letter of Agreement requires reimbursement of 100% of buildout costs if a customer cancels or delays a project by more than 12 months before its target energization date. That obligation expires once the project is completed.
During the initial service-contract term, customers remain responsible for minimum charges even if they curtail, reduce, suspend or terminate service, subject to the tariff’s exit provisions. These protections distinguish prospective demand from financially committed business, but they do not eliminate the construction and approval steps needed to deliver power.
Conclusion
The next steps in AEP Ohio’s published process are load studies, service plans and signed contracts before energization. Those milestones will determine how prospective data-center demand translates into electricity service under the tariff’s financial protections.
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