Shoichi Takeshita

Diamond Generating Europe Ltd. distributes electronics, fuels, metals, and chemicals. The firm focuses on new energy resources to generate power. The company was founded on September 13, 2012 and is headquartered in London, the United Kingdom.

Moray Offshore Windfarm (East) Ltd. owns and operates a wind farm. The company was founded in 2010 and is headquartered in Edinburgh, the United Kingdom.

Diamond Green Ltd. operates as an investment holding company. The company was founded on March 13, 2017 and is headquartered in London, the United Kingdom.

Part of Mitsubishi Corp., Petra Diamond Energy Ltd. is a holding British company that operates subsidiaries which own and operate a multi-fuel thermal power plant. The company is based in London, UK and was founded in 2012.

Part of Mitsubishi Corp., Jordan Energy Investment I Ltd. is a British company that provides investment services. The company is based in London, UK and was founded in 2012.

Part of Mitsubishi Corp., Diamond Atlantic Investment Ltd. is a holding British company that sells electricity through its subsidiaries. The company is based in London, UK and was founded in 2012.

K1 Energy Ltd. is an investment holding British company founded in 2015. The joint venture company is based in London, UK. The company's main function is to hold investments.

Shams Maan Solar UK Ltd. is an investment company that provides services to solar plants. The joint venture company is based in London, UK. The British company was founded in 2014.

Part of INPEX Corp., Diamond Generating Europe Investments Ltd. is an investment holding and British asset management company. The company is based in London, UK. The company was founded in 2018. Diamond Generating Europe Investments was acquired by Inpex Renewable Energy Europe Ltd. from Mitsubishi Corp. on March 02, 2023.

Part of Mitsubishi Corp., Diamond Aqua Ltd. is a holding British company that operates subsidiaries specializing in the design, construction, and operation of power and water desalination plants. The company is based in London, UK and was founded in 2015.

Diamond Oryx Ltd. is an investment holding British company founded in 2015. The joint venture company is based in London, UK.

Moray East Holdings Ltd. produces electricity. The private company is based in London, UK.