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CSR Corporate Social Responsibility

Committed to People, Committed to the Future.

Realization of smart communities

Realization of smart communities

  • Yokohama Smart City Project (YSCP)
  • Project in Lyon, France
  • Construction of a smart industrial complex in Tianjin, China

Yokohama:population Approx.420,000(Some 170,000 households),Area Approx.60km²

Prominent example:Redevelopment type Yokohama Smart City Project (YSCP)

Establishing a social system that aims to achieve a 30% reduction in CO₂ emissions

Establishing a social system that aims to achieve a 30% reduction in CO₂ emissions


Photo of Yokohama City won the World Smart Cities Award at Smart City Expo World Congress 2011.
Yokohama City won the World Smart Cities Award at Smart City Expo World Congress 2011.

The Yokohama Smart City Project (YSCP) is one of the largest-scale smart city experiments in Japan. YSCP covers three areas in the city: the Minato Mirai area in central Yokohama, Kohoku New Town, and Kanazawa Green Valley. The combined area of these three areas is approximately 60 km2 with a population of around 420,000 (170,000 households). The project, which aims to establish a social system with a 30% reduction in CO2 emissions, will test wide-area energy management and demand response (DR) systems.

Wide-area energy management combines three systems: the community energy management system (CEMS) for the community as a whole, home energy management system (HEMS) for houses, and building energy management system (BEMS) for commercial districts. HEMS will be introduced into 4,000 homes to make power consumption visible and encourage households to save electricity and reduce CO2 emissions through DR.

Toshiba is mainly responsible for CEMS and BEMS as well as HEMS for condominiums and houses. In particular, Park Homes Okurayama will become the first condominium to introduce a DR system. New Toshiba air-conditioning installed in each unit, which will be connected to CEMS, the central control system, will be controlled according to the status of power consumption for optimal operation. The plans call for control equipment to be introduced in the autumn of 2012 to enable the DR system to be launched in April 2013. Toshiba will install BEMS in commercial buildings covering a combined area of 1.6 million m2, in order to optimize power consumption control and help reduce CO2 emissions. By developing an infrastructure that enables introduction of 2,000 electric vehicles into the entire area, Toshiba will also aim to help reduce CO2 emissions in the transport sector.

The Yokohama Smart City Project is a typical example of smart community development that uses all three systems: CEMS, HEMS, and BEMS. The results obtained from the experiment during the period up to FY2014 will be utilized for even larger-scale community planning.


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