Hitachi Partners with OpenAI to Expand AI Data Centers

Hitachi, Ltd. and OpenAI, Inc. announced that they have signed a Memorandum of Understanding (MoU) to establish a  strategic partnership focused on building next-generation AI infrastructure and expanding global data centers. The agreement was signed on October 2, 2025.

Under this MoU, the two companies will jointly develop plans across several key areas, combining their respective strengths to advance sustainable data center operations and accelerate the deployment of AI technologies that help address societal challenges.

Key areas of collaboration

1. Partnership outside data centers
The companies will jointly explore solutions to:
– Minimize the load on power transmission and distribution networks and achieve future zero-emission data centers.
– Secure the supply of critical and long-lead-time equipment for data centers.
– Standardize prefabricated and modular data center designs to shorten construction timelines.

2. Partnership within data centers
Hitachi and OpenAI will explore collaboration on the design and supply of essential equipment—such as cooling systems and storage—that supports the fast and reliable deployment of AI data centers.

3. Further utilization of OpenAI technologies
Hitachi will explore deeper integration of OpenAI’s large language models (LLMs) into its Lumada solutions, including HMAX, to enhance the value and capabilities of its digital offerings.

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Hitachi Group, with its global leadership in power grids, clean energy, cooling technologies, data management, and operational services, is well-positioned to support the expansion of AI infrastructure. In the U.S., Hitachi Group has announced investments exceeding USD 1 billion to meet surging demand for transformers and high-voltage equipment driven by AI data center growth.

Additionally, Hitachi is accelerating the global rollout of its HMAX solutions, which combine AI and deep domain expertise across its extensive installed base of products and systems to help solve customer and societal challenges.

SOURCE: Hitachi