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OpenAI and SoftBank Invest $1 Billion in SB Energy to Expand Stargate Data Center Buildout

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OpenAI and SoftBank Group will jointly invest $1 billion in SB Energy, committing $500 million each to accelerate the expansion of data center and power infrastructure for their Stargate initiative, SB Energy said on Friday.

SB Energy, which is owned by SoftBank, will build and operate OpenAI’s previously announced 1.2-gigawatt data center campus in Milam County, Texas. The facility is a key component of Stargate, a massive, multi-year plan to scale artificial intelligence training and inference capacity in the United States.

As part of the partnership, SB Energy will also become a customer of OpenAI, using its application programming interfaces and deploying ChatGPT internally for employees.

Stargate is a $500 billion initiative backed by major investors including Oracle, and was publicly endorsed by Donald Trump when the plan was unveiled in January 2025. The project reflects the scale at which leading AI developers are now operating as they race to secure computing power.

The deal highlights a broader industry shift in which technology companies are investing directly in energy and power infrastructure. Access to reliable electricity has become a critical bottleneck for AI expansion, as larger and more numerous data centers sharply increase power demand.

SB Energy said it is developing several data center campuses, with initial facilities expected to begin service later this year. “The partnership accelerates our delivery of advanced AI data center campuses and associated energy infrastructure at the scale required to advance Stargate and secure America’s AI future,” said SB Energy co-CEO Rich Hossfeld.

The data center construction boom has also driven rivals to commit unprecedented sums to infrastructure. Meta Platforms and other Big Tech firms have announced multi-billion-dollar investments spanning chips, cooling systems, servers and power generation.

At the same time, OpenAI is facing rapidly rising costs to train and operate its AI models amid intensifying competition from Alphabet’s Google. OpenAI CEO Sam Altman told employees late last year that the company had entered a “code red” phase, prioritising improvements to ChatGPT while delaying other product launches to counter Google’s Gemini gaining traction.

OpenAI Expands Stargate Scope, Eyes Debt Financing to Secure Chips

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OpenAI is broadening the scope of its massive Stargate infrastructure project, originally unveiled at the White House earlier this year as a $500 billion initiative with partners including SoftBank and Oracle. Executives now say Stargate encompasses nearly all of OpenAI’s work involving data centers and AI chips, stretching beyond the original plan.

Initially conceived as a new entity for mega-scale AI infrastructure, Stargate has since expanded to cover projects predating its January announcement. OpenAI argues that only massive computing systems like Stargate can power the next phase of the AI revolution.

To finance its chip needs, the company plans to adopt creative strategies including debt financing and chip leasing, estimating savings of 10–15% by renting instead of buying GPUs outright. A newly announced partnership with Nvidia—worth up to $100 billion—will provide $10 billion in upfront cash and long-term backing for data center expansion.

CEO Sam Altman, who has long argued that data centers are the lifeblood of AI, said his goal is to reach the point of building “a gigawatt of new AI infrastructure every week.” Speaking at a briefing in Abilene, Texas—home to Stargate’s flagship site—he acknowledged investor concerns about a potential bubble but insisted long-term growth justifies the scale.

The Abilene facility, under construction by Oracle and Crusoe, spans more than 1,100 acres and employs thousands. The site is said to contain fiber optic cable long enough to stretch from Earth to the Moon and back.

Stargate’s rollout has faced delays due to partner negotiations and site selection challenges, according to SoftBank executives. Still, OpenAI, Oracle, and SoftBank this week announced five new U.S. data centers, bringing Stargate’s active projects to nearly 7 gigawatts of the 10 gigawatts originally targeted.

Executives said Microsoft, OpenAI’s longtime sponsor, will not be included in certain Stargate projects, following negotiations to allow OpenAI to partner more broadly.

The company stressed the urgency: demand for ChatGPT and related tools has already forced OpenAI to delay international product launches due to insufficient compute.

Industry experts note that financing remains a major hurdle. Of the roughly $50 billion cost for a new hyperscale data center, about $15 billion covers land and buildings—while the rest goes toward GPUs, which are both costly and in short supply. Following Meta’s example, which secured $29 billion from outside financiers for a Louisiana data center, OpenAI is expected to rely heavily on debt markets to fund its future sites, with Nvidia’s equity stake boosting lender confidence.

Despite bottlenecks in GPU supply chains, Altman maintains that rapid infrastructure buildouts are essential: “We cannot fall behind in the need to put the infrastructure together to make this revolution happen.”

OpenAI, Oracle and SoftBank to Build Five New AI Data Centers for $500 Billion Stargate Project

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OpenAI, Oracle and SoftBank announced plans to construct five new artificial intelligence data centers in the United States as part of their massive Stargate project, an initiative expected to reshape AI infrastructure.

President Donald Trump hosted leading tech CEOs in January to launch Stargate, a private-sector effort aiming to spend up to $500 billion on the compute power needed to support the next generation of AI.

OpenAI and Oracle will build three new facilities in Shackelford County, Texas, Doña Ana County, New Mexico, and an undisclosed Midwestern site. Together with SoftBank and its affiliate, OpenAI will also develop two additional centers in Lordstown, Ohio, and Milam County, Texas.

These new facilities, combined with Oracle-OpenAI’s Abilene, Texas expansion and ongoing projects with CoreWeave, will boost Stargate’s total data center capacity to nearly 7 gigawatts. According to OpenAI, this represents over $400 billion in investments over the next three years. The ultimate goal remains 10 gigawatts of total capacity.

“AI can only fulfill its promise if we build the compute to power it,” OpenAI CEO Sam Altman said in a statement.

The new projects are expected to create 25,000 on-site jobs. The announcement follows Nvidia’s pledge on Monday to invest up to $100 billion in OpenAI and supply data center chips.

To finance Stargate, OpenAI and its partners plan to use debt financing and lease chips, according to sources familiar with the matter.

With backing from Microsoft, OpenAI joins other tech giants pouring billions into AI infrastructure to support services such as ChatGPT and Copilot.

Given AI’s growing importance in sensitive fields like defense—and with China racing to catch up—both the private sector and the Trump administration have made AI infrastructure a strategic priority.