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Baker Botts Advises On Development and Financing of UK Battery Storage Projects


Deal Description: A joint venture comprising UK and Japanese companies has secured financing for the development of two battery storage projects in the UK.  The joint venture comprises of RNK UK Investments Limited (“RNKUKI”) (itself a joint venture between Nippon Koei Energy Europe BV, 100% owned by Nippon Koei, and RNA Energy Ltd) and Fuyo General Lease Co. Ltd., Tess Engineering Co. Ltd., Tokyo Century Co. Ltd. and Toshiba Mitsubishi Electric Industrial Systems Co. Ltd. Senior financing will be provided by Fuyo General Lease (USA) Inc.

Construction of the two large-scale grid storage battery projects, in Tollgate, Hertfordshire and Cuxton, Kent commenced in December 2021 with the commercial operation dates scheduled for the spring of 2023. These two facilities will be the first large scale battery energy storage projects operated by Japanese companies in the UK.

Baker Botts advised Nippon Koei on its initial investment and RNKUKI on the joint venture with its Japanese partners.

In addition, Baker Botts advised RNKUKI and its subsidiary project companies on the senior and mezzanine financing. 

Baker Botts Lawyers/Office Involved:

Global Projects: Lewis Jones (Partner, London), Melanie Henson (Special Counsel, London).

Corporate: Nicholas Jones (Senior Associate, London), Sonia Namutebi (Associate, London) and Inaya Homoud (Associate, London).

Tax: Graham Brough (Special Counsel, London).


Baker Botts is an international law firm whose lawyers practice throughout a network of offices around the globe. Based on our experience and knowledge of our clients' industries, we are recognized as a leading firm in the energy, technology and life sciences sectors. Since 1840, we have provided creative and effective legal solutions for our clients while demonstrating an unrelenting commitment to excellence. For more information, please visit

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