Single Family Office

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Kyuden International Corporation

Kyuden International Corporation operates as the family office for Kyushu Electric Power, a major Japanese utility that was founded in 1951.

Kyuden International Corporation

Kyuden International Corporation operates as the family office for Kyushu Electric Power, a major Japanese utility that was founded in 1951. The firm, whose headquarters are listed in Cupertino and Fukuoka, executes the group's strategy of expanding energy operations beyond Japan's borders. The firm's portfolio spans four distinct asset classes: offshore wind transmission in the UK, geothermal independent power production in Indonesia, gas-fired power in Mexico, and a solar portfolio in the United States. It counts the Sarulla geothermal IPP in Indonesia and the Tuxpan 5 gas IPP in Mexico among its major investments, the latter a combined-cycle facility that began commercial operation in 2019. The firm focuses on long-duration energy infrastructure, typically holding projects through development, construction, and into operation. Kyuden International employs 58 professionals according to its own figures, with offices in Fukuoka and Cupertino. In March 2026, it announced an agreement to acquire US-based IHI Power Services Corp., a transaction that expands its operational capabilities (per the firm, March 2026). The Kyuden Group has publicly committed to a Carbon Neutral Vision 2050, aligning the family office's investments with that target. The firm's structural advantage lies in its access to Kyushu Electric's 70 years of technical expertise and balance sheet, allowing it to act as a strategic acquirer and operator of energy assets rather than a purely financial investor. This combination of utility capital and operational know-how creates a distinctive profile among Japanese family offices active in global energy infrastructure.

General information

Firm type

Single Family Office

Year founded

AUM

Undisclosed

Location

Region

North America

Country

United States

City

Cupertino

Corporate office

Cupertino, Fukuoka, United States

Sector focus

Energy Transition & RenewablesInfrastructureClimateTech

Frequently asked questions

Who makes investment decisions at Kyuden International Corporation?

Kyuden International Corporation does not publicly disclose its investment committee or named principals. The firm is wholly owned by Kyushu Electric Power, so investment decisions ultimately trace back to the utility's executive team. The firm's headquarters are split between Fukuoka, Japan and Cupertino, California.

What is the relationship between Kyuden International and Kyushu Electric Power?

Kyuden International Corporation functions as the single-family office of Kyushu Electric Power, a major Japanese utility founded in 1951. The firm deploys the utility's balance sheet into overseas energy projects, leveraging the parent company's technical expertise and capital. It is not a separate investment vehicle or third-party asset manager.

Which asset classes and geographies does Kyuden International target?

The firm targets energy infrastructure in four main asset classes: offshore wind transmission, geothermal IPPs, gas-fired power, and solar photovoltaic. Its known portfolio spans the UK (offshore wind transmission), Indonesia (Sarulla geothermal IPP), Mexico (Tuxpan 5 gas IPP), and the United States (solar portfolio).

Does Kyuden International participate in fund commitments or only direct deals?

Kyuden International appears to focus exclusively on direct energy infrastructure investments, both greenfield development and acquisitions. It typically holds projects through construction and into operations, acting as a long-term owner-operator. The firm's acquisition of IHI Power Services Corp. in March 2026 underscores its preference for operating platforms.

What is the firm's view on decarbonization and the energy transition?

The Kyuden Group has publicly committed to a Carbon Neutral Vision 2050, which flows down to Kyuden International's investment strategy. The firm's portfolio includes geothermal, solar, and offshore wind assets, aligning with this mandate. It continues to invest in gas-fired generation, suggesting a transitional rather than rigid approach.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

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