Preventing global warming
Preventing global warming | Manufacturing
Results in FY 2024
CO2 emissions from business sites in FY2024 were 246,000 tons.
In fiscal 2024, we will continue to improve productivity, promote Energy-saving measures, and expand the use of renewable energy at our global locations, and as a result, CO2 emissions from Business site were reduced by 8,000 tons compared to fiscal 2023.
Toward the realization of a carbon-neutral and sustainable society in 2050, we will promote CO2 reduction through the introduction of renewable energy and other measures that exceed the increase in CO2 emissions due to business expansion, aiming to reduce CO2 emissions to 229,000 tons or less in FY2026.
Total CO2 emissions from business sites
*CO2 emission coefficient
Electricity:CO2 emission coefficients from electricity purchased based on TOTO Group contracts.
Factor other than electricity: Guideline for Calculation of Greenhouse Gas Emissions (Version 5.0) published by Ministry of Environment and the Ministry of Economy, Trade and Industry of Japan
Initiatives to Curb CO2 Emissions
Conversion to energy sources with lower CO2 emissions
We are promoting the shift to fuels and electricity that emit less CO2 in our business activities.Melting facilities in NANJING TOTO Co., Ltd., used in a casting process of enameled products, such as bathtubs and washbowls, were changed from cupola furnaces to electric ones in 2018, which had contributed significantly to improvement in energy efficiency and reduction in CO2 emissions in production by the conversion of energy for the equipment from coke to electricity. This re-equipping is also expected to prevent air pollution in the surrounding area of the factory.
We are also working on electrification of air conditioning systems and cafeteria kitchens in newly constructed plants.
In March 2025, we installed a hydrogen generator that electrolyzes water to produce hydrogen.
By using electricity derived from renewable energy sources for electrolysis, the hydrogen produced is green hydrogen.
We aim to establish a new firing technology that produces less CO2 emissions by co-firing the green hydrogen produced in the firing of Sanitary ware.
Introduction of energy-saving equipment, others.
In order to reduce CO2 emissions, we are strengthening building insulation (using roof insulation, wall insulation, and double-glazing), using high-efficiency air conditioners and total heat exchangers, adopting LED lighting, and introducing energy monitoring systems at our plants in Japan and overseas.
Introduction of renewable energy
At each of our bases in Japan and overseas, we procure electricity derived from renewable energy sources (hereinafter referred to as "renewable electricity") in accordance with the characteristics of the region, and have achieved 100% renewable electricity at multiple bases.
The global renewable energy electricity introduction volume in FY2024 will be approximately 120GWh, with the renewable electricity ratio being approximately 37%.
We aim to source all electricity used in our business activities from renewable energy sources by 2040, and have joined the international initiative "RE100," with plans to further expand our efforts.
Conduct of energy saving diagnostics
The TOTO Group conducts internal energy conservation audits at its manufacturing and distribution bases in Japan. Based on a set of evaluation indicators common to the Group, energy management specialists conduct comprehensive evaluations of processes, such as the energy management status of production equipment and facilities (air conditioning, lighting, and infrastructure equipment) and compliance with laws and regulations, as well as performance, such as efficient production and active energy-saving activities. The sites that meet these standards are certified as TOTO Green Factories.
State of energy saving diagnostics
Energy Conservation Activities in Our Business sites
The TOTO Group encourages all employees at each Business site to participate in energy-saving activities.
Looking at our monthly performance management, we visualize power use in each workplace based on the data from our data collection system, which centrally manages data concerning the amount of energy used all Group Companies. Energy conservation measures are being driven at each of our office and bases by the feedback this enables.
As part of our efforts in the seasons when the air conditioning load increases across the entire TOTO Group in Japan, we support the initiative "COOL CHOICE" promoted by the Ministry of Environment, and have implemented Cool Biz and Warm Biz, promoting energy conservation and CO2 reduction activities with the participation of all employees at each Business site. We will continue to work to establish awareness of energy conservation among all employees, and will continue to make organizational efforts to help prevent global warming.
[Poster promoting energy conservation in offices]
Cool Biz(2025 Summer), Warm Biz(2024 Winter)
Initiatives to reduce CO2 emission of company cars
We are promoting initiatives to reduce CO2 emission of company cars by reducing fuel usage. Through creating TOTO's own eco drive system for company cars used in Group companies in Japan, we are improving the eco driving skill by enabling drivers to see the fuel consumption. In addition, standards for purchasing vehicles are formulated to purchase vehicles that are optimum depending on its travel distance and frequency of usage and reduce fuel consumption.
Green Factory Initiatives
As for the new plant, we have installed the latest and most advanced production equipment to improve productivity. At the same time, building insulation has been strengthened (roof insulation, wall insulation, and double-glazing), production air conditioning has been optimized and total heat exchangers have been adopted, LED lighting has been adopted, and an energy monitoring system has been installed to make the plant more environmentally friendly with lower CO2 emissions.
The new west building at TOTO's Shiga Plant was equipped with high-efficiency equipment such as a latest fiber kiln and LED lighting, and exterior walls were coated with Hydrotect Color Coat, an environmental building material that is TOTO's one-of-a-kind technology. As a model factory project that introduced cutting-edge energy-saving technologies, the Shiga Factory received the Minister of Economy, Trade and Industry Award, the highest award in the Energy Conservation Case Study Category of the 2013 Energy Conservation Grand Prize (sponsored by the Energy Conservation Center, supported by the Ministry of Economy, Trade and Industry).
The TOTO Group is developing similar energy-saving factories in Japan and overseas.
May 2022 New Kiln Firing Ceremony at TOTO SANITECHNO Kokura Plant
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