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Home > About Toshiba > CSR > Highlights of CSR Activities > Activities in the Past > Highlights 2008 > Environmental Vision 2050 > Power Generation at home to Reduce CO₂ Emissions

Power Generation at home to Reduce CO₂ Emissions

Special Feature: Fulfilling Our Responsibility as a Corporate Citizen of Planet EarthHighlights top

Fuel cell enabling use of waste heat for hot water supply

Fuel cells are drawing attention because of their high energy efficiency and minimal CO2 emissions. The Japanese government's demonstration test is in its final phase in the run-up to commercialization from FY2009. Of the 2,200 units installed for the demonstration test, 550 units were delivered by Toshiba Group.

The home-use fuel cell generates electric power through electrochemical reaction between hydrogen, derived from city gas or liquefied petroleum (LP) gas, and oxygen in the air. Heat generated by the reaction can be used for hot water supply. Energy efficiency is high and there is no power transmission loss because energy is generated on-site at the point of use. Introduction of a 700W fuel cell for a household with four people will reduce CO2 emissions by 30% or 1 ton per year.

chart of Contribution of Fuel Cell to Reduction of CO₂ Emissions

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