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Honda Smart Home System Experiment Results

Article of Honda R&D Technical Review Vol.29 No.1

Summary

An experiment has been carried out over a period of approximately three years using the Honda Smart Home System, which comprises micro combined heat and power generation system in combination with photovoltaic power generation, electric vehicle, and Smart e Mix Manager and is conceived to reduce CO2 emissions from ordinary homes to one-half and then eventually to zero. The purpose of the experiment was to study the effectiveness of the system in reducing CO2 emissions from the home, to examine the issues involved in reducing CO2 emissions without lessening the quality of life, and to explore possible approaches to achieving zero CO2 emissions. At a building identical to the experimental house, electric power was purchased from an electric utility company and a highly efficient gas hot water heater was used to make hot water on the assumption that a conventional household was consuming the same amount of electric power and heat as the household where the experiment was conducted. The result was that the experimental house achieved a 51% reduction in CO2 emissions. When solar water heaters, biofuel, and other such renewable energy sources were used, a potential direction was found for achieving zero CO2 emissions.

Reference

(1) Ministry of the Environment Government of Japan: Heisei 28 nendo kankyousho jyuuten shisaku, http://www.env.go.jp/guide/budget/h28/h28juten-2.pdf, 2017/1/17, (in Japanese)
(2) Prime Minister of Japan and His Cabinet: chisan chisho gata nado saiseikanou enerugi tou no dounyu sokushin, http://www.kantei.go.jp/jp/topics/2015/0109siryou1-8.pdf, 2017/1/17, (in Japanese)
(3) Saitama City: “E-KIZUNA Project agreement” was concluded with Honda Motor Co., Ltd., http://www.city.saitama.jp/001/009/004/001/002/p013909.html, 2017/1/17
(4) Tsuno, K., Kotani, T., Dobashi, M., Koide, F., Fukushige, T., Ariyoshi, T.: Development of Honda Smart Home System, Honda R&D Technical Review, Vol. 26, No. 1, p. 11-16
(5) Japan Sustainable Building Consortium: Heisei 11 nendo shouene kijyun no gaiyo, http://lowenergy.jsbc.or.jp/top/house/enecon/heisei11.html, 2017/1/17, (in Japanese)
(6) Tokyo Gas Co., Ltd.: ECOWILL, http://home.tokyo-gas.co.jp/living/ecowill/lineup/index.html, 2017/1/17
(7) Honda Motor Co., Ltd.: FIT EV, http://www.honda.co.jp/FITEV/spec/, 2016/6/7
(8) The Japan Gas Association: CO2 emissions, http://www.gas.or.jp/kankyo/co2taisaku_20130221.pdf, 2017/1/17
(9) Tokyo Gas Co., Ltd.: ECOjozu, http://tg-gamedios.tokyo-gas.co.jp/landing/images/TKG00001/orig/28/110493113651SZ00.pdf, 2017/1/17
(10) Honda Motor Co., Ltd.: Freed, http://www.honda.co.jp/auto-archive/freed/2014/webcatalog/performance/#spec, 2017/1/17
(11) Agency for Natural Resources and Energy: Revision of the current operation system of the FIT scheme, http://www.meti.go.jp/
press/2014/01/20150122002/20150122002-3.pdf, 2017/1/17

Author (organization or company)

Yasushi KANAI(Power Products R&D Center)、So YAMADA(Power Products R&D Center)

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