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Mitsubishi Electric Facility Receives Net Zero Energy Building Certification

First medium-scale office building to be certified in Japan while still under construction

Rendering of Net Zero Energy Building Test Facility
Rendering of Net Zero Energy Building Test Facility

Mitsubishi Electric Corporation (TOKYO: 6503) announced that its envisioned Net Zero Energy Building Test Facility has become Japanís first medium-scale (over 6,000 m2) office building under construction to receive a top-level BELS 5-star rating(☆☆☆☆☆) and Net Zero Energy Building (『 ZEB』) certification from the Building-Housing Energy-efficiency Labeling System, a third-party certification organization in Japan. The rating, which measures energy-saving performance based on the Building Energy Index (BEI), is for the buildingís theoretical performance levels.

Mitsubishi Electric is constructing the Net Zero Energy Building Test Facility in Kamakura, Kanagawa Prefecture, south of Tokyo, to develop and demonstrate ZEB-related technology. The facility is scheduled to start operating in September 2020.

Mitsubishi Electric is promoting technical developments based on its ZEB+ concept of constructing and upgrading buildings over their lifecycles for environmental efficiency, energy savings, productivity, comfort, convenience and business continuity.

The certification recognizes the facilityís projected reduction in energy consumption by 103% (includes production of photovoltaic energy) compared with its surrounding regionís average consumption levels, measuring total energy consumption for air conditioning, ventilation, hot water, lighting and elevators based on energy conservation standards introduced by Japanís National Institute for Land and Infrastructure Management in 2016. To qualify for certification, Mitsubishi Electric optimized design conditions for the entire construction process, maximized the efficiency of equipment and systems to be installed in the facility and introduced ZEB-based solutions for air conditioning, lighting and photovoltaic systems.

Mitsubishi Electric expects the global ZEB market to expand to 40 trillion yen by 2030 and Japanese market to expand to 130 billion yen by 2020 and 630 billion yen by 2030.

Mitsubishi Electric registered with the Ministry of Economy, Trade and Industry as an official ZEB planner in 2017. Going forward, the company aims to accelerate its development and application of ZEB-related technologies to contribute to the achievement of the United Nations Sustainable Development Goals and the realization of greater energy savings and more comfortable living spaces, as well as contribute to more convenient office environments under its proprietary ZEB+ concept.

  1. ZEB+ is a registered trademark of Mitsubishi Electric Corporation.

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