Global Warming

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Basic Philosophy

Major climate change could cause the risk of hindering the establishment of a sustainable society. As a part of our activities to aid in mitigating climate change from medium and long-term perspectives, we set targets for CO2 emission basic unit in fiscal 2020 under Global Eco Vision 2020. Aiming at achievement of the targets, we have been proceeding with fractionalization of energy management, and reduction in energy consumed by air conditioning system while focusing on building ventilation amount.

Target CO2 emission basic unit achievements for fiscal 2018

In fiscal 2017 the eco-vison target for 2020 was achieved in advance—the more rigorous target of 15% improvement over FY 2015 (1.1 tons/1 million yen). Our group's CO2 emissions in fiscal 2018 were 330,000 tons. On the other hand, basic unit energy emissions were 1.15 tons / 1 million yen, which was slightly below the annual target. This was mainly due to an increase in energy consumption for building new facilities.

Transition of Emission Volume of Energy-Origin CO2
(Groups in Japan [with integrated certification])
*The denominator of the basic unit has been changed from sales to amount index in accordance with production sum.
Transition of Emission Volume of Energy-Origin CO2 (group)

Energy Conservation during Transportation

As a Specified Consigner designated under the Act on the Rational Use of Energy, we endeavor to reduce CO2 emissions during transportation, proceeding with reduction in shipping distance by reorganizing/integrating plants, and reconsidering the waste-disposal service vendor.
In fiscal 2018, our energy usage basic unit was 1.07 kl/100 million yen, which is almost as same as the previous fiscal year.

CO2 Emissions as Consigner (NGK SPARK PLUG CO., LTD.)
* The volume derived from contracted cargo transporters is included.

Energy Conservation in Office

We implement daily energy-saving measures in our workplaces, including turning off lights and computers during breaks and keeping office air conditioning at moderate levels, 28ºC in summer and 20ºC in winter, to which we adjust by dressing lightly or adding layers of clothing in addition to setting our regular ventilating standard at offices by reviewing the amount of ventilation.
We are also creating green curtains, installing arched sunshades and thermally insulating the outdoor units of air conditioners to reduce power consumption for air conditioning in the summer.

Use of Natural Energy

We promote the use of natural energy.
We installed three solar power generation units and one solar water heater at our Headquarters Factory. The Komaki Plant has a solar power generator unit that can generate a maximum of 107 kW of electricity. In overseas, the solar power generation units have been introduced into Woojin Industry Co., Ltd., and NGK Spark Plugs (India) PVT. LTD.
In fiscal 2018, we generated a total of 576,000 kWh sourced from natural energy in both domestic and overseas companies, which is equivalent to reduction of 334 tons of CO2.