The Ministry of Economy, Trade and Industry (METI) and Siemens Energy have signed a Memorandum of Cooperation (MOC) aimed at strengthening collaboration on floating offshore wind and the broader development of the wind power industry in Japan. The signing was announced by METI on October 29, 2026, through its official news release under the Energy and Environment Policy portfolio.

A Formal Framework for Cooperation

The memorandum establishes an agreed basis for the two parties to work together in specific areas. According to METI, the cooperation covered by the MOC focuses on the realization of floating offshore wind projects in Japan.

In addition, the agreement encompasses supply chain development and human resource development, both of which are framed by the ministry as measures aimed at strengthening the wind power industrial base in the country.

The announcement places the ministry, through its Agency for Natural Resources and Energy, directly alongside one of the major international energy companies in a structured bilateral arrangement.

The division named as in charge of the matter within METI is the Wind Energy Project Promotion Office, which sits within the New and Renewable Energy Division of the Energy Efficiency and Renewable Energy Department.

Floating Offshore Wind as the Central Focus

Floating offshore wind is identified as a core subject of the memorandum. Unlike bottom-fixed offshore wind, floating offshore wind involves turbines mounted on floating structures, an approach relevant to waters where fixed foundations are not suitable.

METI states that under the MOC, METI and Siemens Energy have agreed to cooperate on the realization of floating offshore wind projects in Japan.

The ministry's description of the agreement ties this project-level cooperation to the development of the industry's foundations in Japan. The same instrument that commits the two parties to working toward floating offshore wind projects also commits them to supply chain development and human resource development.

METI characterizes these latter two areas as aimed at strengthening the wind power industrial base, linking the commercial objective of realizing projects with the supporting industrial and workforce conditions needed around them.

First Asian O&M hub to be established in Hokkaido

A concrete commitment accompanied the signing. Pursuant to the agreement, Siemens Energy announced that it will establish in Hokkaido its first strategic operations and maintenance (O&M) hub in Asia. The company frames this hub as a measure to help strengthen the resilience of the wind power supply chain.

The Hokkaido facility is notable on two counts as described in the announcement. First, it is designated as a strategic operations and maintenance hub, a category of facility concerned with the running and upkeep of wind installations rather than with manufacturing or project development alone.

Second, it is described as the first such strategic O&M hub for Siemens Energy in Asia, making Japan the location of the company's inaugural facility of this type in the region.

The placement of the hub in Hokkaido connects the agreement's supply chain development theme to a specific geographic commitment. METI's release presents the hub as part of the implementation of the memorandum, describing it as being established pursuant to the agreement between the ministry and the company.

The stated purpose of the facility, per the company's announcement as relayed by METI, is strengthening the resilience of the wind power supply chain, which corresponds to one of the two industrial-base themes set out in the MOC alongside human resource development.

The Scope of the Agreement in Summary

Taken together, the elements announced by METI define the scope of the new cooperation arrangement. The parties are METI, acting through the ministry, and Siemens Energy. The instrument is a Memorandum of Cooperation.

The areas of agreed cooperation are threefold: the realization of floating offshore wind projects in Japan, supply chain development, and human resource development. The stated aim of the second and third of these areas is strengthening the wind power industrial base.

The implementation commitments disclosed at the time of signing consist of the Siemens Energy announcement regarding the Hokkaido O&M hub. No additional facilities, investment figures, timelines, or project locations were specified in the ministry's announcement.

What the memorandum covers, and what it does not

The memorandum is a cooperation framework rather than a procurement contract or a permit. It records agreement between the ministry and the company on areas of joint work: floating offshore wind project realization in Japan, supply chain development, and human resource development for the wind power industrial base.

The single tangible implementation step announced alongside it is the Siemens Energy plan to locate its first strategic O&M hub in Asia in Hokkaido, with the stated aim of strengthening wind power supply chain resilience.

The release does not specify which floating offshore wind projects will be covered by the cooperation, the timing for the establishment of the Hokkaido hub, the scale of any investment, or the specific human resource development activities to be undertaken. Those details are not included in the METI announcement of October 29, 2026.

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