OpenAI SoftBank AI Hub: Ohio’s Gigawatt Gamble
OpenAI SoftBank AI Hub Takes Center Stage
The OpenAI SoftBank AI Hub in Ohio is emerging as one of the most ambitious artificial intelligence infrastructure projects in the United States, bringing together OpenAI, SoftBank’s SB Energy and Nvidia in a deal designed to secure enormous computing capacity for future AI systems.
OpenAI has signed a 20-year lease for a massive data center campus in Pike County, Ohio. The facility is being developed by SB Energy, a SoftBank subsidiary, and is expected to reach about 8 gigawatts of computing capacity when fully built. The first 800 megawatts are targeted for 2028.
The scale is difficult to compare with ordinary data centers.
The project is designed to use around 10 gigawatts of new energy, while a planned natural-gas generation system could provide as much as 9.2 gigawatts of power. The site is located at the former Portsmouth Gaseous Diffusion Plant, a Cold War-era uranium-enrichment facility.
As a result, the OpenAI SoftBank AI Hub is not simply another data center. It represents a broader push to build the physical infrastructure required for the next stage of artificial intelligence.
Why Ohio Was Chosen
The OpenAI SoftBank AI Hub is being developed at a location with an unusual industrial history.
The Pike County site was previously used for uranium enrichment as part of the U.S. government’s Cold War nuclear program. Today, the area is being repositioned for a very different purpose: powering large-scale computing infrastructure.
The location offers several potential advantages.
First, the project has access to a large existing industrial site. Second, the development has strong state and federal support. Third, plans for new power generation are being built around the enormous electricity requirements of modern AI data centers.
Power has become one of the biggest challenges facing the AI industry.
Advanced AI systems require huge numbers of processors running continuously. Those processors generate heat and require sophisticated cooling systems, while the surrounding data center needs reliable electricity around the clock.
Therefore, securing power can be just as important as securing chips.
The Project Is Part of Stargate
The OpenAI SoftBank AI Hub is connected to the broader Stargate AI infrastructure strategy.
OpenAI, SoftBank, Oracle and other partners launched Stargate with the goal of building a massive U.S. computing network for artificial intelligence.
OpenAI announced in September 2025 that five additional U.S. data center sites would expand Stargate’s planned capacity to nearly 7 gigawatts, with more than $400 billion in planned investment over three years. The broader initiative was designed around a 10-gigawatt target and a potential $500 billion investment.
The Ohio development is therefore part of a much larger effort.
The goal is to ensure that OpenAI has enough computing infrastructure to train increasingly capable models and provide AI services to millions of users.
As AI models become larger and more sophisticated, computing demand is expected to grow substantially.
SoftBank Is Taking a Major Role
The OpenAI SoftBank AI Hub demonstrates how important SoftBank has become to the AI infrastructure race.
SoftBank owns SB Energy, which is developing and operating the Ohio facility.
The Japanese technology investment group has also been a major financial supporter of OpenAI and the wider Stargate effort.
For SoftBank founder Masayoshi Son, the project fits into a broader strategy of investing heavily in artificial intelligence and the infrastructure needed to support it.
SoftBank has increasingly positioned itself around the idea that AI will reshape industries ranging from software to robotics and data centers.
The Ohio project gives the company an opportunity to participate not only in AI software but also in the physical infrastructure behind the technology.
Nvidia Is Helping Finance the Project
The OpenAI SoftBank AI Hub has another major partner: Nvidia.
Nvidia has committed up to $105 billion in guarantees to support OpenAI’s 20-year lease arrangement, according to Reuters. The chipmaker is also investing $1.5 billion in SB Energy and is expected to be the exclusive AI computing supplier for the site.
This arrangement is significant because Nvidia is both a technology supplier and a financial participant.
The company has become one of the biggest beneficiaries of the AI boom because its processors are widely used to train and run advanced AI models.
By helping finance the infrastructure, Nvidia can also help create demand for its own hardware.
The arrangement shows how closely connected AI companies, chip manufacturers, energy developers and investors have become.
A Different Kind of AI Financing
The OpenAI SoftBank AI Hub also highlights the unusual financing structures emerging around artificial intelligence.
Traditional data centers are generally financed through a combination of company investment, debt and long-term customer contracts.
AI data centers are increasingly involving additional layers of investment because of their enormous size and specialized equipment requirements.
In this case, Nvidia’s guarantees can help SB Energy obtain financing for the infrastructure.
The company is also considering additional capital through debt and equity financing, while SB Energy has been preparing for a possible public offering.
The structure is designed to spread financial risk among several participants.
However, it also raises questions about how much money the AI industry is moving between companies that are simultaneously customers, suppliers, investors and infrastructure partners.
Why 8 Gigawatts Matters
The OpenAI SoftBank AI Hub is notable because of its planned 8 gigawatts of computing capacity.
Gigawatts are normally associated with power plants and large electrical systems rather than individual technology projects.
For comparison, the Ohio campus is being designed around a level of energy demand that would make it one of the largest computing developments in the country.
The first 800-megawatt phase is expected to begin operating in 2028. The project is then expected to expand toward its full planned capacity over the following years.
This phased approach is important because building several gigawatts of computing infrastructure cannot happen overnight.
Developers must construct buildings, install electrical equipment, secure generation capacity, build cooling systems and deploy huge numbers of AI processors.
Electricity Is the Real Challenge
The OpenAI SoftBank AI Hub also shows why electricity has become a central issue in the AI boom.
AI data centers consume far more power than many traditional computing facilities.
High-performance processors operate continuously, while cooling systems must remove the enormous amount of heat generated by those chips.
As more companies build AI data centers, demand for electricity is increasing.
In Ohio, the project is expected to include up to 9.2 gigawatts of natural-gas power generation. The development also includes a major grid-upgrade component. Reuters reported that the project is expected to support about $4.2 billion in grid improvements.
Therefore, the project could have an impact beyond the data center itself.
Jobs Could Benefit the Region
The OpenAI SoftBank AI Hub is also expected to create employment in southern Ohio.
The project is projected to generate about 35,000 construction jobs and around 2,500 permanent operational positions, according to reporting on the development.
Construction jobs could support workers across several industries, including electrical work, engineering, equipment installation and building services.
Once the campus is operational, permanent positions could include data center operations, maintenance, engineering, security and technical support.
For the region, the project could bring significant economic activity.
At the same time, the development will require substantial infrastructure and resources, making local planning important as construction progresses.
OpenAI Needs More Computing Power
The OpenAI SoftBank AI Hub is being built because OpenAI’s computing requirements continue to grow.
ChatGPT has expanded rapidly, while OpenAI is also developing more advanced reasoning models, AI agents and enterprise services.
Each new generation of AI can require substantially more computing power for training.
Inference, or the process of generating responses after a model has been trained, also requires large amounts of computing capacity when millions of users access AI services.
Therefore, OpenAI cannot rely entirely on existing cloud infrastructure.
It needs long-term access to dedicated computing resources.
The Ohio campus provides a way to secure that capacity over decades rather than depending entirely on short-term cloud contracts.
A 20-Year Lease Provides Long-Term Stability
The OpenAI SoftBank AI Hub includes a 20-year lease, which gives OpenAI a long-term relationship with the facility.
That arrangement is important for both sides.
For OpenAI, it provides greater certainty that computing infrastructure will be available as AI demand grows.
For SB Energy, a long-term tenant provides a foundation for raising the financing required to construct such a large project.
Long-term contracts are particularly valuable for infrastructure projects because lenders need confidence that future revenue will support debt payments.
The agreement therefore connects OpenAI’s future computing needs with SB Energy’s ability to finance construction.
Nvidia Could Benefit From the Expansion
The OpenAI SoftBank AI Hub is also strategically important for Nvidia.
Nvidia’s business has grown rapidly because AI companies need enormous quantities of its processors.
The Ohio project could require a massive number of Nvidia systems over time.
Reuters reported that Nvidia could generate substantial revenue from supplying chips to the development.
This creates a powerful relationship.
OpenAI receives computing capacity.
SB Energy gets a major long-term customer.
Nvidia gains a large infrastructure deployment for its hardware.
SoftBank strengthens its position in AI infrastructure.
Each participant therefore has a clear strategic interest in the project’s success.
Could This Be a Circular AI Economy?
The OpenAI SoftBank AI Hub has also raised questions about what some analysts describe as circular financing in the AI industry.
The concern is that AI companies, chipmakers and investors can become closely connected through investment and purchasing agreements.
For example, a chipmaker may invest in an infrastructure company, while that infrastructure company builds a facility for an AI company that buys the chipmaker’s hardware.
Such arrangements can accelerate development because companies share risk and capital.
However, they also make it more important for investors to understand the underlying economics.
The ultimate question remains whether AI services will generate enough revenue to justify the enormous cost of building the infrastructure.
Nvidia CEO Jensen Huang has rejected the idea that the Ohio arrangement represents an artificial or circular economy, emphasizing the long-term demand for computing infrastructure.
Natural Gas Will Play a Major Role
The OpenAI SoftBank AI Hub also reflects the growing role of natural gas in powering U.S. AI infrastructure.
Renewable energy is expanding rapidly, but large AI data centers require reliable power throughout the day and night.
The Ohio project includes plans for a natural-gas generation facility that could provide up to 9.2 gigawatts of electricity.
Supporters argue that natural gas can provide reliable electricity while data centers are being developed.
Critics, meanwhile, may raise questions about emissions and the environmental impact of large fossil-fuel-powered computing campuses.
As AI power demand increases, the industry will need to balance reliability, cost and environmental concerns.
The Project Faces Major Challenges
The OpenAI SoftBank AI Hub is an enormous project, and projects of this scale inevitably face risks.
Construction could take longer than expected.
Power infrastructure could face delays.
The cost of equipment and financing could change.
AI hardware could also evolve quickly, creating questions about how technology purchased today will perform several years from now.
Another challenge is demand.
OpenAI is betting that demand for AI computing will continue growing strongly enough to justify the enormous investment.
If demand grows as expected, the project could become a major strategic asset.
If growth slows sharply, however, the economics could become more difficult.
Ohio Could Become an AI Infrastructure Center
The OpenAI SoftBank AI Hub could help transform Ohio’s position in the technology industry.
Ohio has already attracted major investments in semiconductors, advanced manufacturing and data centers.
The state’s central location, available land and growing energy infrastructure make it attractive for large industrial technology projects.
The Ohio campus could therefore encourage additional investment from suppliers, construction companies, energy developers and technology businesses.
Over time, an ecosystem could develop around the data center.
That would make the project important not only for OpenAI but also for the wider regional economy.
America’s AI Infrastructure Race
The OpenAI SoftBank AI Hub is part of a much larger U.S. effort to expand AI infrastructure.
Technology companies are building data centers across Texas, Ohio, New Mexico and other states.
OpenAI’s broader Stargate strategy aims to create a nationwide network of large computing facilities.
The objective is not simply to build bigger data centers.
It is to ensure that the United States has enough computing capacity to remain competitive in artificial intelligence.
This has also become a national-security issue because advanced AI systems are increasingly viewed as strategically important technologies.
What Happens Next?
The OpenAI SoftBank AI Hub is expected to develop in phases, with the first 800 megawatts targeted for 2028 and eventual capacity reaching about 8 gigawatts.
The next few years will therefore be focused heavily on construction, financing, power generation and equipment deployment.
OpenAI will also need to continue developing AI models and applications capable of using the additional computing power.
SoftBank and SB Energy will need to manage one of the largest infrastructure projects in their portfolio.
Meanwhile, Nvidia will have to continue developing new generations of processors to support the rapidly changing AI market.
Conclusion
The OpenAI SoftBank AI Hub represents a remarkable new chapter in the race to build the physical infrastructure behind artificial intelligence.
The Ohio campus combines OpenAI’s enormous demand for computing power with SoftBank’s infrastructure ambitions and Nvidia’s position as the leading supplier of AI processors. The 20-year lease, planned 8-gigawatt computing capacity and major power-generation plans make it one of the most ambitious AI infrastructure developments announced in the United States.
The project could bring thousands of jobs, major investment and new energy infrastructure to Ohio. At the same time, it highlights the enormous financial, environmental and technological challenges involved in building the next generation of AI systems.
Success will ultimately depend on more than constructing a giant data center. OpenAI will need sustained demand for its AI services, SoftBank will need to manage the project’s financing and Nvidia will need to keep its technology competitive.
For now, the Ohio project shows just how far the AI infrastructure race has moved. The future of artificial intelligence is no longer being shaped only by software and algorithms. It is also being built through power plants, data centers, chips, construction projects and long-term financial commitments.
If the project reaches its planned scale, Ohio could become one of the most important physical centers of the American AI economy.
Sources
- Reuters — reporting on Nvidia’s guarantees, its investment in SB Energy and OpenAI’s 20-year Ohio data center lease.
- Axios — reporting on the Ohio data center’s planned 8 gigawatts of computing power, energy requirements and expected jobs.
- The Wall Street Journal — reporting on OpenAI’s large Ohio data center lease and Nvidia’s financial backing.
- OpenAI — official information about the broader Stargate AI infrastructure program and its U.S. data center expansion.
- Financial Times — reporting on Stargate’s expansion, financing and long-term AI infrastructure plans.
