Japanese company at increasing enterprise value in 2013, citing management's efforts to maximize return on equity. In September 2018, The Russian Direct Investment Fund (RDIF), Marubeni Corporation and Russia's AEON Corporation agreed to develop an industrial facility in Volgograd. The total investment is estimated at over $800 million with construction due to start in 2020. In September 2018, Marubeni announced to shift from coal to renewable energy resources. Berkshire Hathaway acquired over 5% of the stock in the company, along with four other Japanese trading houses, over the 12-month period ending in August 2020. In October 2021, Marubeni invested in B2U Storage Solutions, a Santa Monica-based startup which reuses EV batteries to a battery storage system. In January 2022, Marubeni has won the sea bed right of the Scotland to construct an off shore wind farm. They have partnered with SSE Renewables and Copenhagen Infrastructure Partners. Aside of Scotland, Marubeni is working on Japan’s first off shore wind farm as well as floating turbine demonstrations. Offices Marubeni's head office moved to the Tokyo Nihombashi Tower (ja) in 2016. The company constructed a new dedicated head office building in 2021 and moved back to the original place in Chiyoda. The company has a total of twelve offices in Japan, 58 overseas offices and 29 overseas subsidiaries with 33 offices. Business Marubeni Corporation and its consolidated subsidiaries use their broad business networks, both within Japan and overseas, to conduct importing and exporting (including third country trading), as well as domestic business, encompassing a diverse range of business activities across wide-ranging fields including lifestyle, ICT & real estate business, forest products, food, agri business, chemicals, energy, metals & mineral resources, power business, infrastructure project, aerospace & ship, finance & leasing business, construction, industrial machinery & mobility, and next generation business development. Additionally, the Marubeni Group offers a variety of services, makes internal and external investments, and is involved in resource development throughout all of the above industries. Marubeni's business is organized in six groups(as of March 2022): Consumer Products Group – Lifestyle, ICT & Real Estate, Forest Products. Trades in apparel, functional materials and rubber, and provides logistics, insurance, finance, real estate services, pulp and paper. Has a strategic partnership with Want Want China. Food, Argiculture & Chemicals Group – Food, Agri Business, Chemicals. Trades in grain and food products, distributes solar panels and energy storage units. One major unit is the Helena