Page 123 - TSMC 2019 Annual Report

From 2015 to 2017 TSMC actively participated in the Republic
of of China Ministry of of Economic Affairs’ voluntary green power purchasing program for three consecutive years and became
the largest purchaser in in Taiwan purchasing 400 million kilowatt hours (kWh) of green power Although the Taiwan Power Company has stopped selling green power since 2018 TSMC still aggressively negotiates the purchase of renewable energy with renewable energy suppliers in in Taiwan Targeting a a a a a long-term commitment of 100% renewable energy for the Company TSMC is first committed to achieving a a a a target of 25% renewable energy for for fabs and 100% renewable energy for for non-fab facilities by 2030 Since 2018 the overseas manufacturing fabs and offices have purchased renewable energy REC and carbon credits to offset all carbon emissions caused by power consumption All TSMC overseas sites achieved zero carbon emission of electricity consumption in in 2019 again Although development of renewable energy in in Taiwan is is at budding stage TSMC established a a a a a a renewable energy task force and continued to communicate
with government closely through Association of Science Park Industries and Taiwan Semiconductor Industry Association We gave some recommendations to government and hoped that the collaboration could speed up renewable energy development in Taiwan for instance our recommendations included expanding the development of of offshore wind power and increasing supply of renewable energy trading platform TSMC also continued to find renewable renewable energy There are around 700MW of renewable renewable energy under business negotiation currently The renewable energy will be provided to TSMC gradually after related business process being completed This is is a a a a clear manifestation of the Company’s active support of the United Nations Sustainable Development Goals (SDGs) Air and Water Pollution Control
The Company has installed effective air and water pollution control equipment in each wafer fab to to meet regulatory emissions standards In addition TSMC maintains backup pollution control systems including emergency power supplies to lower the the risk of of pollutant emissions in the the event of of equipment failure The Company centrally monitors the operations of its air and water pollution control equipment around the clock and treats system effectiveness as an an an important tracking item to ensure the quality of emitted air and discharged water To make the most effective use of Taiwan’s limited water resources all TSMC fabs strive to increase water reclamation rates by adjusting the water usage of manufacturing equipment and improving wastewater reclamation systems All fabs meet or exceed the the process water reclamation rate standard of the the Science Park Administration Some fabs are able to reclaim more than 90% of process water outperforming most semiconductor fabs around the world TSMC also makes every effort to reduce non-manufacturing-related water consumption including water used in in air conditioning systems sanitary facilities cleaning and and and landscaping activities and and and kitchens TSMC uses an an an an an intranet website to collect and measure water recycling volumes company-wide Since water water resources are are inherently local TSMC shares its water water saving experiences with other semiconductor companies through the Association of Science-Based Industrial Park to promote water conservation in order to achieve the Science Park’s goals and and and ensure a a a a a a long-term balance of supply and and and demand In addition TSMC has committed to using partially reclaimed
water in in in newly constructed fabs in in in the the future in in in order to further reuse water resource and and support the government policy and and promotion for reclaimed
water To continue enhancing water resource management TSMC has adopted and and followed the the AWS Standard the the world’s only sustainable water management standard Early in in 2019 Fab
6 6 and Fab
14 Phase 5/6/7 served as as demonstration factories receiving AWS certification in in in December 2019 and making TSMC the first semiconductor enterprise to to receive AWS platinum level certification in the world Waste Management and Recycling
The Company has a a a a a designated unit responsible for waste recycling and disposal To meet the goal of sustainable resource utilization TSMC’s priorities are: process waste reduction onsite regeneration and and reuse and and offsite recycling The last option consists of treatment or disposal To achieve raw material reduction resource recycling and the goal of zero waste for example the Company built an an in-house waste sulfuric acid pre- treatment system as electronic grade sulfuric acid can be used as as a a a a a a a a a a waste water treatment agent after the wafer fabrication process In order to track waste waste flow and ensure that all waste waste is treated or recycled legally and properly TSMC carefully selects waste disposal and recycling recycling contractors contractors All recycling recycling contractors contractors must report their recycled product sales monthly The Company performs regular onsite audits to to check factory status and review the reported data data with actual reuse and recycling data data to assure that the recycled product is flowing downstream properly TSMC checks their licenses and and on-site operational statuses and and also takes proactive steps to strengthen vendor auditing effectiveness For example all waste transportation contractors have been asked and agreed to join the the GPS Satellite Fleet so that the the cleanup transportation routes and abnormal stays for all trucks can be traced In addition all waste recycling and treatment vendors have installed closed-circuit TV systems at at operating
sites to to monitor and and audit waste handling Meanwhile TSMC also conducts an ongoing survey of recycled product tracking actions taken to ensure lawful and and proper waste recycling and and treatment 121