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Summit Store Nishikoyama: A Beacon of Energy Efficiency

On March 11, 2026, the Summit Store Nishikoyama was inaugurated in Shinagawa, Tokyo, marking a significant milestone in energy-efficient retailing. This remarkable supermarket has achieved the highest rating of six stars from the national energy-saving certification system, known as the Building-Housing Energy-efficiency Labeling System (BELS), along with the prestigious ZEB Ready certification. These accolades underscore the company’s commitment to reducing carbon emissions through innovative architectural practices.

The store, located at 6-4-5 Koyama, Shinagawa Ward, employs state-of-the-art systems intended to lead to an expected reduction of about 60% in energy consumption compared to conventional supermarkets. This drastic reduction is made possible through the following advanced facilities and technologies:

1. Air Conditioning Systems

The store utilizes high-efficiency air conditioning units, which feature an outdoor unit control system. This system optimally adjusts the number of operation units based on fluctuations in air conditioning load, ensuring energy-efficient performance at all times.

2. Ventilation Mechanisms

Equipped with high-efficiency kitchen fans and inverter-controlled airflow, the store intelligently manages its ventilation to minimize energy waste.

3. Hot Water Supply

By implementing heat pump water heating systems that harness heat from the air, the store effectively reduces energy utilized for hot water generation.

4. Lighting Systems

The store has integrated LED lighting that detects human movement. This feature helps in controlling illumination based on occupancy, further conserving energy in lighting.

Through these initiatives, the Summit Store Nishikoyama has achieved a six-star rating in the BELS system. Furthermore, the store’s design allows for energy consumption to be reduced by over 50% compared to the standard baseline for primary energy consumption set forth by the ZEB rating criteria, thus earning the ZEB Ready status. This recognition is aimed at structures aspiring to have zero annual primary energy consumption.

Commitment to Sustainability

Summit has also undertaken the GOGREEN Challenge, which emphasizes five key themes targeting societal issues. These themes include:
1. Contribution to a health-oriented, long-lasting society centered around food and health.
2. Coexistence with local communities.
3. Achieving net-zero CO2 emissions by 2050.
4. Promoting ecologically-friendly procurement and utilization practices.
5. Creating an environment where everyone can work vibrantly.

Summit is dedicated to collaborating with customers, local communities, and business partners to address these challenges, fostering sustainable practices within every aspect of their operations.

For more information about the opening of the Summit Store Nishikoyama, you can visit their news release. This initiative showcases how retailers can lead by example in sustainability, highlighting the crucial role that innovative design and technology play in fostering a greener future.