SoftBank's SB Energy Partners with AEP Ohio in $33.3B Ohio Data Center and Power Generation Deal

Why It Matters

The initiative injects massive compute capacity and clean‑energy infrastructure, accelerating the U.S. AI ecosystem while generating jobs and regional economic growth.

Key Takeaways

• 10 GW data center planned on former DOE site
• 9.2 GW natural‑gas power funded by Japan, $33.3 B
• Construction starts 2026, $30‑40 B data‑center spend
• AEP Ohio to upgrade transmission, $4.2 B investment
• Project supports US AI leadership, ratepayer protection pledge

Pulse Analysis

The demand for high‑performance AI compute is reshaping the data‑center landscape, and SoftBank’s latest venture underscores that shift. By anchoring a 10 GW campus on the decommissioned Portsmouth Gaseous Diffusion Plant, the company leverages underutilized federal land to meet the exploding need for AI‑driven workloads. The partnership with the Department of Energy and AEP Ohio not only secures a reliable power supply but also signals confidence in the United States as a long‑term hub for advanced computing services.

Energy considerations are central to the project’s viability. SB Energy will build 9.2 GW of natural‑gas generation, financed by $33.3 billion in Japanese investment, and invest $4.2 billion with AEP Ohio to modernize transmission lines across Southern Ohio. This approach satisfies the DOE’s Ratepayer Protection Pledge, ensuring that data‑center operators fund the grid upgrades they require. The distributed gas‑plant model reduces bottlenecks, supports grid resilience, and keeps electricity costs in check for local consumers while delivering the power needed for next‑generation AI workloads.

Beyond the technical and economic dimensions, the Ohio campus reflects broader geopolitical dynamics. The U.S.–Japan Strategic Trade and Investment Agreement frames the project as a joint effort to secure AI leadership against global competitors. By channeling Japanese capital into American infrastructure, the deal reinforces supply‑chain independence and reindustrializes Appalachia. As more federal sites are earmarked for rapid data‑center construction, SoftBank’s Ohio initiative may serve as a template for future collaborations that blend energy, technology, and policy to drive sustained growth in the AI sector.

Deal Summary

SoftBank Group's SB Energy announced a public‑private partnership with the U.S. Department of Energy, Department of Commerce and AEP Ohio to develop a 10 GW data‑center campus at the former Portsmouth nuclear site in Ohio. The plan includes $33.3 billion in Japanese funding for 9.2 GW of natural‑gas generation and a $4.2 billion investment by SB Energy and AEP Ohio to upgrade transmission lines.