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About us

Diamond Transmission Partners is composed of several investors each specific to a project partnership.

For details of the partners for each project, click links below:

DTC is a wholly owned subsidiary of Mitsubishi Corporation ("MC”) since 2012 which is one of the largest Japanese trading and investment houses. MC has established DTC in London as a holding company to integrate MC's investment activities in European transmission sector. (please replace the below crossed out text and replace with the below for DTC). As of June 2023, DTC has 10 assets in the UK totalling circa 5.7GW and c.£4.7bn.

Visit Mitsubishi Corporation

HICL is a long-term equity investor in infrastructure. Its portfolio comprises more than 100 investments with value in excess of £2.0bn. HICL is present in a number of sectors including health, transport and education, both in the UK and overseas.

Visit HICL Infrastructure

CEPCON (Chubu Electric Power Company Netherlands B.V.) is a wholly owned subsidiary of Chubu Electric Power Co., Inc.("Chubu"), which as a whole Chubu group is a major transmission operator in Japan with responsibility for over 12,000km of transmission lines and 900 substations. Chubu's total assets as of March 2020 is £40.7 billion.

Visit Chubu

MUL Infrastructure UK Limited (“MIUK”) is a wholly owned subsidiary of Mitsubishi HC Capital Inc. (“MHC”). MHC has established MIUK as an investing arm for MHC’s investment activities in European infrastructure. MHC has made investments in renewables, power transmission, power distribution and water business as these sectors being MHC’s strategic areas.

Visit MHC

Main Business Service Providers

Diamond Transmission UK Limited ("DTUK") is engaged by the Directors of Diamond Transmission Partners to provide management and financial services to Diamond Transmission Partners.

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