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A variety of smart city development projects are underway that seek to create a more comfortable way of life and a society that is kind to the environment. Here, we introduce some of the projects in which Hitachi is involved in different parts of the world.
In order to bring about a Smart City which offers total provision of area energy-management systems, storage-battery systems, electrical-interchange facilities, and so on, this project's goal is the "visualization" of regional energy through the collection and consolidated management of the entire region's energy information (electricity, gas, water, etc.) Demonstration testing is underway towards the realization of an area energy-management system that is geared towards the development of a new urban environment that can efficiently control facilities such as solar-power generators, storage batteries, and emergency-use power generators across the entire region.
The aim of this joint Japan-U.S. smart grid demonstration project being conducted in collaboration with U.S. companies is to demonstrate smart grid technologies for mitigating fluctuations in the output of renewable energy on Maui, where a considerable amount of renewable energy has already been installed, while also looking to deploy these systems for a low-carbon society in other similar islands or subtropical environments.
This project links with the master plan of the Yokohama Smart City Project to promote an energy management system that uses EV (electric vehicle)-supplied electricity. A major goal of the project is the future ability of the batteries in EVs to be used by houses and regional society for the storage of electricity, forming a component of social infrastructure. Investigation is underway of the possibility of using region-wide energy management to intelligently operate on-board batteries and fixed-storage batteries and to increase the level of usage of renewable energy.
Hitachi and Yokohama City concluded the "Comprehensive Partnership Agreement on International Technological Cooperation and Contribution to Regional Socioeconomic Activities", which aims to support for economic development in Yokohama as well as the development of Yokohama as an international city.
With the creation of low-carbon society systems as its goal, and in focus areas such as energy, mobility, and human activity, demonstration testing is underway for the reduction of CO2 emissions. Hitachi is working on integrated bus location systems that collect bus operating information among several different bus operators and based on the information, Hitachi is conducting verification of bus operation planning simulator that support the optimization of bus operation.
Hitachi is working toward the implementation of an EV-bus operational-management system to support introduction and wider adoption of EV buses in public transport and the formulation of operating guidelines. Also, Hitachi is working on the verification of energy supply by EV-bus at the time of disaster.
An EV rental car service was launched in Okinawa in February 2011. Operating as a commercial service on Okinawa, it targets tourists and other rental car users with the aim of encouraging wider adoption of environmentally conscious electric vehicles (EVs). The service uses a Hitachi EV charging management system.