GHG Reduction

Toward the goal of carbon neutrality in 2050 for global environmental conservation in consideration of future generations as a material issue, the TOK Group quantitatively measures the environmental impact throughout the value chain and works to reduce the environmental load, including CO2, with a full understanding of the impact that production activities have on the environment. TOK aims to achieve sustainable development with society through the development of photoresists and new products that further conserve resources and energy.

Basic Concept

We belong to the Japan Chemical Industry Association (“JCIA”). JCIA participated in the Keidanren(Japan Business Federation)'s Low Carbon Society Action Plan. The association takes global warming countermeasures in below four points:

(1)Curbing CO2 emissions from business activities in Japan
(2)Strengthening cooperation among companies to promote the reduction of CO2 emissions throughout the supply chain by the dissemination of low-carbon products/technologies 
(3)Promoting Japanese chemical products to the world and contributing to economic and social development of countries around the world
(4)Developing innovative technologies in mid-to-long term

We are also working to reduce our environmental impact by fully analyzing the influence of our production activities on the environment, including the influence of emissions in the value chain, in accordance with the Low Carbon Society Action Plan. Since its establishment in 1940, one of our management philosophies has been to "contribute to society." We unveiled our long-term vision, “TOK Vision 2030” in 2020, aiming to become "The e-Material Global Company™️" contributing to a sustainable future through chemistry. Under this vision, we will strive both to promote environmental management through the development and supply of new and existing products and to address the issue of climate change toward the goal of decarbonization.

In January 2022, TOK announced its support for the recommendations of the Task Force on Climate-related Financial Disclosures, TCFD. Based on its support for the TCFD recommendations, we will strive to analyze business risks and the opportunities presented by climate change and proactively disclose information, while also helping global environmental protection through our businesses, together with all our stakeholders.

Emissions of Greenhouse Gases

Because climate change has become more serious in recent years, companies are expected to measure greenhouse gas emissions from their own properties and across the entire value chain. The TOK Group measures and calculates greenhouse gas emissions based on the Ministry of the Environment’s Basic Guidelines on Accounting for Greenhouse Gas Emissions throughout the supply chain within the context of emissions from business activities (Scope 1 and Scope 2) and indirect emissions from nonbusiness activities (Scope 3). In 2021, we also started to calculate Scopes 1 and 2 at overseas sites. TOK will advance the initiatives for the realization of a sustainable society by identifying issues throughout the value chain where corporate activities can have an impact.

Scope 1 11,062t-CO₂e Scope 2 172t-COe
Scope 1(overseas total)     3,103t-CO₂e Scope 2(overseas total) 14,934t-COe

Scope 3 Emissions by Category (domestic total)

Cat.
(Category)
Name Emissions Cat.
(Category)
Name Emissions
Cat. 1 Purchased goods and services 406,752 t-CO2e Cat. 8     Upstream leased assets Not applicable
Cat. 2 Capital goods 25,694 t-COe Cat. 9 Downstream transportation and distribution
Cat. 3     Fuel and energy-related activities
not included in Scope 1 and 2
5,776 t-COe
Cat. 10 Processing of sold products
Cat. 11 Use of sold products Not applicable
Cat. 4 Upstream transportation and distribution 15,384 t-COe Cat. 12 End-of-life treatment of sold products Not applicable
Cat. 5 Waste generated in operations 5,335 t-COe Cat. 13 Downstream leased assets
Cat. 6 Business travel 207 t-COe Cat. 14 Franchises
Cat. 7 Employee commuting 738 t-COe Cat. 15 Investments Not applicable
  
Cat.
(Category)
Name Emissions Cat.
(Category)
Name Emissions
Cat. 1 Purchased goods and services 406,752 t-CO2e Cat. 8     Upstream leased assets Not applicable
Cat. 2 Capital goods 25,694 t-COe Cat. 9 Downstream transportation and distribution
Cat. 3     Fuel and energy-related activities
not included in Scope 1 and 2
5,776 t-COe
Cat. 10 Processing of sold products
Cat. 11 Use of sold products Not applicable
Cat. 4 Upstream transportation and distribution 15,384 t-COe Cat. 12 End-of-life treatment of sold products Not applicable
Cat. 5 Waste generated in operations 5,335 t-COe Cat. 13 Downstream leased assets
Cat. 6 Business travel 207 t-COe Cat. 14 Franchises
Cat. 7 Employee commuting 738 t-COe Cat. 15 Investments Not applicable

* January 2023 to December 2023 (Waste generated in operations: April 2023 to March 2024)

* Business trips and commuting by employees exclude people seconded to other companies.

Improve energy consumption intensity and CO2 emissions/efforts for new medium-term targets 

In operation, TOK continues to modify air conditioning temperature settings and operating hours, prioritizes the operation of energy- efficient cooling and heating source equipment, turns off unnecessary ventilation systems at night, turns off unnecessary lights outside business hours, and implements other relevant measures. When updating and installing new equipment, TOK focuses on energy efficiency by adopting LED lighting and introduces renewable energy sources like solar panels to further reduce energy consumption and CO2 emissions.

Energy consumption in 2023 was almost the same as the previous year (2022 saw an 8% increase from the previous year). The base unit index increased by 6 points compared to the previous year but decreased by 15 points compared to 2019 as a result of the aforementioned activities. The energy-related CO2 emission intensity greatly improved with a 35-point reduction compared to the previous year (2022 saw a 31-point reduction from the previous year) and a 72-point reduction compared to 2019 after switching all purchased electricity at major domestic sites to 100% renewable energy-derived electricity. In the future, we will work on new medium-term targets up to 2030 based on absolute volume rather than intensity, including overseas group companies, leading to the realization of carbon neutrality by 2050.

energy consumed.PNG

CO2 emissions.PNG

Improve energy consumption per base unit in distribution

TOK, which implements a full-lineup strategy , handles a variety of products and raw materials, including hazardous materials, toxic substances, and refrigerated goods, and the logistics department must store and transport these safely and accurately to maintain quality and performance. In recent years, product shipment volume has been increasing, and TOK expects further increases in the future, so we are working on securing storage space and optimizing transportation routes and methods to control energy con sumption. In 2023, the company began direct shipments of export products from the Koriyama plant. From May 2024, TOK started using external consignment warehouses for storing products transported from the Gotemba plant to the distribution center with the aim of expanding and streamlining warehouse operations. In 2024, TOK started constructing a roof at the distribution center as a measure against heat and to improve work efficiency; after completion, the company plans to reduce purchased electricity by installing solar panels. TOK will continue to work on optimizing logistics and will strive to reduce CO2 emissions and improve energy consumption intensity.

CO2 emissions in distribution.PNG
CO2 emissions in distribution.PNG

Measures to Prevent Global Warming at Overseas Manufacturing Sites

In 2023, domestic and overseas energy consumption remained almost unchanged as TOK expanded the semiconductor manufacturing materials laboratory and inspection facilities domestically, while overseas, the company transferred the overseas subsidiary manufacturing bases. Since energy consumption is affected by energy-saving efforts and by changes in production volume and facilities, TOK introduced a system in 2022 to collect and centrally manage environmental-related data, including energy consumption for efficient management. The company started operating this system at overseas sites to visualize energy-saving and CO2 reduction effects. Additionally, TOK begun to grasp and aggre gate Scope 3 for overseas sites to reduce CO2 emissions across the entire TOK Group and supply chain.

CO2 emissions in distribution.PNG
CO2 emissions in distribution.PNG

Year Domestic total(kL) Overseas total(kL) Overseas ratio(%)
2019 15,390 9,736 38.7
2020 16,141 11,104 40.8
2021 16,359 11,774 41.9
2022 17,659 11,715 39.9
2023 17,679 10,915 38.2

Information on environmental impact by site

* Data collection period: January  2023 to December 2023

  item Headquarters TOK Technology and Innovation Center(TTIC) Shonan Operation Center Koriyama Plant Utsunomiya Plant
Input Electric Power [thousand kWh] 598 17,977 568 15,880 2,880
Heavy oil [kL] 0 0 0 73 0
City gas [thousand m3] 8 2,742 12 1,195 146
Gasoline [kL] 1 2 1 0 0
LPG [t] 0 0 0 0 1
Light gas oil [kL] 0 0 0 21 0
Used water [thousand m3] 4 100 7 141 17
Output CO[1,000tons] 0 6 0 3 0
SOx[t] 0 0 0 0 0
Nox[t] 0 0 0 0 0
BOD[kg] 0 18 0 180 20
COD[kg] 0 21 0 322 47
Waste volume General administrative waste [t] 12.0 4 1 5 1
General industrial waste [t] 4.0 263 7 232 100
Specially controlled industrial waste [t] 0.0 58 2 492 155
Recycling Rate General administrative waste [%] 15% 100% 0% 0% 0%
General industrial waste [%] 0% 34% 56% 48% 13%
Specially controlled industrial waste [%] - 77% 0% 100% 100%
  item Kumagaya Plant Gotenba Plant Aso Plant Distribution Control Center Total
Input Electric Power [thousand kWh] 72 5,208 3,744 1,251 48,178
Heavy oil [kL] 1 0 269 0 343
City gas [thousand m3] 0 300 0 0 4,403
Gasoline [kL] 0 1 1 0 6
LPG [t] 4 4 2 32 43
Light gas oil [kL] 0 0 6 9 36
Used water [thousand m3] 2 43 74 3 391
Output CO[1,000tons] 0 1 1 0 11
SOx[t] 0 0 0 0 0
Nox[t] 0 0 0 0 0
BOD[kg] 0 81 58 0 357
COD[kg] 0 111 83 0 584
Waste volume General administrative waste [t] 1 4 2 1,493 1,523
General industrial waste [t] 1 511 576 36 1,730
Specially controlled industrial waste [t] 1 1,465 748 129 3,050
Recycling Rate General administrative waste [%] 100% 100% 100% 92% -
General industrial waste [%] 100% 2% 80% 37% -
Specially controlled industrial waste [%] 17% 98% 100% 0% -
 
  item Headquarters TOK Technology and Innovation Center(TTIC) Shonan Operation Center Koriyama Plant Utsunomiya Plant
Input Electric Power [thousand kWh] 598 17,977 568 15,880 2,880
Heavy oil [kL] 0 0 0 73 0
City gas [thousand m3] 8 2,742 12 1,195 146
Gasoline [kL] 1 2 1 0 0
LPG [t] 0 0 0 0 1
Light gas oil [kL] 0 0 0 21 0
Used water [thousand m3] 4 100 7 141 17
Output CO[1,000tons] 0 6 0 3 0
SOx[t] 0 0 0 0 0
Nox[t] 0 0 0 0 0
BOD[kg] 0 18 0 180 20
COD[kg] 0 21 0 322 47
Waste volume General administrative waste [tons] 12.0 4 1 5 1
General industrial waste [tons] 4.0 263 7 232 100
Specially controlled industrial waste [tons] 0.0 58 2 492 155
Recycling Rate General administrative waste [%] 15% 100% 0% 0% 0%
General industrial waste [%] 0% 34% 56% 48% 13%
Specially controlled industrial waste [%] - 77% 0% 100% 100%
  item Kumagaya Plant Gotenba Plant Aso Plant Distribution Control Center Total
Input Electric Power [thousand kWh] 72 5,208 3,744 1,251 48,178
Heavy oil [kL] 1 0 269 0 343
City gas [thousand m3] 0 300 0 0 4,403
Gasoline [kL] 0 1 1 0 6
LPG [t] 4 4 2 32 43
Light gas oil [kL] 0 0 6 9 36
Used water [thousand m3] 2 43 74 3 391
Output CO[1,000tons] 0 1 1 0 11
SOx[t] 0 0 0 0 0
Nox[t] 0 0 0 0 0
BOD[kg] 0 81 58 0 357
COD[kg] 0 111 83 0 584
Waste volume General administrative waste [tons] 1 4 2 1,493 1,523
General industrial waste [tons] 1 511 576 36 1,730
Specially controlled industrial waste [tons] 1 1,465 748 129 3,050
Recycling Rate General administrative waste [%] 100% 100% 100% 92% -
General industrial waste [%] 100% 2% 80% 37% -
Specially controlled industrial waste [%] 17% 98% 100% 0% -

*The date on Distribution Control Center includes date on all product stock points.
*Carbon dioxide emission factor is continue to use the emission factor for fiscal 2023.
*General administrative waste:Unneeded items (office refuse) other than industrial waste generated by offices
*General Industerial waste:Industrial waste that does not require special controls (Industrial waste is defined as waste produced in conjunction with business activities and includes cinders, sludge, used oils, used acids, used alkalines, used plastics and certain other materials.) 
*Specially controlled industrial waste:Industrial waste that requires special management due to its explosivity, toxicity, infectious properties or other hazards

Future Issues and Initiatives

Over the past several years, climate change has been manifested in stronger typhoons and torrential rainfall resulting in major damage to society. Climate change is thought to be caused by fluctuations in the oceans and changes in solar activity, as well as the global warming caused by the build-up of greenhouse gases and the warming of the oceans due to hot water discharged from electric power stations and other factors. Toward the target of achieving carbon neutrality in Scopes 1 and 2 by 2050, the TOK Group steadily implements a variety of CO2 emission reduction measures and energy conservation activities.

Related Material Issue