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Our Efforts

Reducing Greenhouse Gas Emissions

Energy saving using steamless system in the clean room [Yawatabara Plant]

The air conditioning system in the clean room was upgraded to a steamless air conditioning system (air-cooled heat pump and drip type humidifier).
We have been able to reduce our environmental impact by changing from a conventional heavy fuel oil powered boiler system to one that is very safe for the environment.
The reduction in the amount of greenhouse gases comes to 308 tons-CO2e per year.

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  • High efficiency air-cooling heat pumpHigh efficiency air-cooling
    heat pump

Energy saving using desiccant air conditioning system in the dry room
[TAIYO YUDEN ENERGY DEVICE]

The air conditioning system in the dry room was changed to a before and after cooling system or desiccant air conditioning system from the conventional compressor or dry air generation methods. 17% of the electricity used in the plant was reduced due to the new system, because it does not use more energy than the compressor type. It has also significantly reduced environmental impact, because it does not use freon. The reduction in the amount of greenhouse gases comes to 299 tons-CO2e per year.

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  • Desiccant air conditioning unitDesiccant air conditioning
    unit

Converting energy from diesel oil to natural gas [TAIYO YUDEN (GUANGDONG)]

Although we previously used diesel oil boilers, we have now converted the energy to natural gas in FY2012. In FY2013, we introduced natural gas boilers into the cafeteria and no. 6 plant.
The reduction in the amount of greenhouse gases comes to 4,156 tons-CO2e per year.

Converting to natural gas boilers in the cafeteriaConverting to natural gas boilers in the cafeteria

Reducing Water Use

Recycling of reverse osmosis membrane concentrated water [TAIYO YUDEN (PHILIPPINES)]

Concentrated water discharged in the course of pure water desalination by reverse osmosis membrane is now recycled as make-up water for cooling tower.
The reduction in the amount of water comes to 20,600 tons per year.

  • Recycling of reverse osmosis membrane concentrated waterRecycling of reverse osmosis
    membrane concentrated
    water
  • Cooling towerCooling tower


Other

Opening a solar power plant [TAIYO YUDEN]

A solar power plant was opened at the site of the old Hongo Research Institute with 460kW capacity which is equivalent to the amount of electricity used by 150 households, and started operating in November 2013.
The duration of sunshine in Takasaki City in Gunma Prefecture is long, which is suitable for solar energy. We decided to go with effective utilization of our assets for renewable energy in order to distribute the energy produced to the communities for sustainable contribution to society.

Hongo Solar Power PlantHongo Solar Power Plant