New data centers of 25 MW or more pay for at least 85% of contracted capacity for up to 12 years; approved July 9, 2025.

What this evidence bears on

• Supports: Special tariffs can make data centers pay for the grid built for them. Under AEP Ohio's tariff, approved in July 2025, new data centers of 25 MW or more pay for at least 85% of their contracted power for up to 12 years, whether they use it or not.

  • A reason for “Allow them, but only if operators pay their full grid costs and meet strict conditions.”