In March 2020, Hamamatsu Photonics has set our long-term vision of global warming countermeasures and target to cut greenhouse gas emissions by 83 % for scope 1 and 2*1 by FY2051 compared with FY2018. Hamamatsu group will proactively work to reduce greenhouse gas emissions through our business activities.
*1 Scope 1: Direct emissions (use of fuel, etc.) Scope 2: Indirect emissions (use of purchased electricity, etc.)
Hamamatsu Photonics is conducting a range of energy-saving activities to achieve our medium-term target of reducing its energy consumption rate by 18% or more by FY2031 compared with FY2013.
In the fiscal year under review, we cut its energy consumption rate by 15.7 % in comparison with FY2013, outperforming its target of 7 % or more. We achieved this feat by implementing energy-saving measures in buildings and actively introducing equipment from the Top Runner system. Meanwhile, though carbon emissions increased 0.08 % against the previous fiscal year, that figure represented a 3.7 % incleased in carbon emissions per unit of net sales. In addition to taking measures against carbon-based energy sources, we continued to reduce its use of perfluorinated compounds (PFCs), sulfur hexafluoride (SF6) and other gases used in semiconductor manufacturing that are factors in global warming. We are achieving these reductions through the introduction of combustion and plasma abatement systems, which it began in FY2006.
We will continue to pursue efforts to reduce energy consumption and prevent global warming.
Hamamatsu Photonics is working hard to reduce carbon emissions by advancing the implementation of renewables such as solar and wind power. At Toyooka Factory, we have installed solar-power generating equipment (250 kW) on the walls and roof of No. 10 Building in collaboration with our solar power business. On the premises of the Central Research Laboratory, we combines solar-power generation with small-scale wind-power generation, in a hybrid solution for outdoor lighting. As of January 2020, we have implemented a cumulative total 404 kW of renewable energy.
In October 2018, we commenced purchasing of Chubu Electric’s “CO2-free Electricity,” expanding our introduction of renewables.
|Renewable-energy target||Renewable-energy usage rate: 5 % or more|
|FY2020||6.4% (as of September 2020)|
Solar-power generating equipment (Toyooka Factory)
Solar-power generating equipment (Shingai Factory)
Hybrid wind/solar-powered exterior lighting (Central Research Laboratory)
Solar-power generating equipment (Main Factory)
To grasp the environmental impact of the value chain*2, HPK is working on the calculation of Scope 3 (shown below) which is based on the Greenhouse Gas (GHG) Protocol.
Going forward, we will expand the calculation scope of Scope 3, improve accuracy, and strive to reduce emissions throughout the value chain.
|Category||FY2017 emission volume||FY2018 emission volume||FY2019 emission volume||FY2020 emission volume|
|Emission volume (t-CO2)||Share of total (%)||Emission volume (t-CO2)||Share of total (%)||Emission volume (t-CO2)||Share of total (%)||Emission volume (t-CO2)||Share of total (%)|
|Scope 1 (direct emissions: use of fuel, etc.)||12,686||3.5||12,043||2.7||12,074||2.7||11,689||2.1|
|Scope 2 (indirect emissions: use of purchased electricity, etc.)||43,853||12.2||45,902||10.2||41,931||9.3||42,359||7.6|
|Scope 3 (other indirect emissions)||303,644||84.3||390,563||87.1||398,102||88.0||500,350||90.3|
|1. Purchased goods and services||（151,373）||（49.9）||（219,224）||（56.1）||(229,823)||(57.7)||(292,242)||(58.4)|
|2. Capital goods||（60,243）||（19.8）||（68,944）||（17.7）||(70,024)||(17.6)||(112,652)||(22.5)|
|3. Fuel and energy use not included in scopes 1 and 2||（3,198）||（1.1）||（5,536）||（1.4）||(5,489)||(1.4)||(9,035)||(1.8)|
|4. Transport and delivery (upstream)||（5,875）||（1.9）||（6,388）||（1.6）||(6,799)||(1.7)||(6,979)||(1.4)|
|5. Waste generated by business activities||（236）||（0.1）||（236）||（0.1）||(372)||(0.1)||(362)||(0.1)|
|6. Business travel||（1,466）||（0.5）||（1,535）||（0.4）||(1,630)||(0.4)||(684)||(0.1)|
|7. Commuting by employees||（3,664）||（1.2）||（3,770）||（1.0）||(3,830)||(1.0)||(4,588)||(0.9)|
|8. Lease assets (upstream)||─||─||─||─||─||─||─||─|
|9. Transport and delivery (downstream)||─||─||─||─||─||─||─||─|
|10. Processing of sold products||─||─||─||─||─||─||─||─|
|11. Use of sold products||（77,498）||（25.5）||（84,586）||（21.7）||(80,031)||(20.1)||(73,699)||(14.7)|
|12. Disposal of sold products||（93）||（0.0）||（343）||（0.1）||(14)||(0.0)||(109)||(0.0)|
|13. Lease assets (downstream)||─||─||─||─||─||─||─||─|
*2 The entire series of processes involving products, including material procurement, production, logistics, use and disposal. Includes both upstream and downstream parts of the Company’s supply chain.
Method of calculation of scope 3
|1. Purchased goods and services||Amount of purchases of raw materials and parts||Emissions per unit amount of purchase|
|2. Capital goods||Monetary amount of capital goods purchased||Emissions per unit amount of purchase|
|3. Fuel and energy use not included in scopes 1 and 2||Quantity of electricity purchased||Emissions per unit of electricity and fuel used|
|4. Transport and delivery (upstream)||• Shipping volume related to purchased products and services
• Cost of shipping of sold products
|• Emission rate (corrected t/kg method)
• Emission rate by shipping method
|5. Waste generated by business activities||Output volume by type of waste||Output rate by type of waste|
|6. Business travel||• Distance traveled
• Traveling expenses paid
|Emission rate by transportation mode|
|7. Commuting by employees||• Distance traveled
• Commuting expenses paid
|Emission rate by commuting mode|
|8. Lease assets (upstream)||N/A||─|
|9. Transport and delivery (downstream)||N/A||─|
|10. Processing of sold products||N/A||─|
|11. Use of sold products||Final products: Number of units shipped, power consumption and service life||Proxy value for CO2 emission coefficient by electricity provider
(the Ministry of the Environment)
|12. Disposal of sold products||Final products: Number of units shipped and product weight||Emission rate by product type|
|13. Lease assets (downstream)||N/A||─|
Third-party Verification of greenhouse gas emissions based on ISO 14064-3
To provide and publish transparent and reliable information on the greenhouse gas emissions data calculated by Hamamatsu Photonics (scope 1, 2, and 3), we obtained third-party verification by SGS Japan Inc., and their written opinion. We will continue to work to improve the reliability of its data and reduce greenhouse gas emissions.
As part of its ongoing energy-saving campaign, Hamamatsu Photonics is advancing the visualization of its electrical-power use and striving to reduce peak power consumption. We publish on our intranet a Power Use Status Monitor, which displays demand and power consumption at each business location in real time. This resource plays a valuable role in each employee’s self-directed activities to save electricity.
The Revised Fluorocarbons Recovery and Destruction Law, which was drafted for the purpose of preventing global warming caused by leaks of GHGs substitutes, was enacted in April 2015.
We are promoting compliance with this law by assigning a control number to each relevant equipment and building an internal database for managing that equipment information and inspection records. In each division and business site, we conduct education activities covering laws and regulations as well as internal management methods for the administrators.
Control number sticker
GHG used in semiconductor manufacturing such as PFC, SF6, and HFC have large global warming potential（GWP）. We are working to reduce its emissions by installing removal devices and optimizing processes.
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