Panasonic environment vision 2050: Panasonic realizes its first Zero CO2 factory*1 in China

Panasonic Corporation today announced that it has realized its first Zero CO2 factory in China at Panasonic Energy (Wuxi) Co. Ltd. (PECW) adding to its list of facilities that emit virtually no carbon dioxide.

Panasonic has been carrying forward environmental activities in accordance with the Panasonic Environment Vision 2050, a long-term vision of environmental management formulated in June 2017 with clearly defined direction for the company to pursue for 2050. As one of the activities to promote businesses aiming for a sustainable society, the company is working globally to establish Zero CO2 factories that do not emit the greenhouse gas during operations. The company had already realized six Zero CO2 model factories and a Zero CO2 showroom*2 among its facilities in the world. By leveraging its know-how gained through this experience, Panasonic has now realized a Zero CO2 factory in China.

The factory in Wuxi City, Jiangsu Province, makes secondary batteries, mainly lithium-ion batteries and nickel-metal hydride batteries. It has worked on innovation in high-quality and highly efficient manufacturing. For example, in 2018, the factory introduced an automated assembly line that replaces conventional manual and visual inspections with a dual-arm robot and an image inspection system. Specific measures to achieve a Zero CO2 factory in China include the promotion of manufacturing with minimum energy, which uses less energy in manufacturing through innovations in manufacturing methods and processes, advanced energy-saving technologies and LED lighting.

Also introduced are solar power generation systems, purchase of International Energy Certificates (I-RECs), use of carbon credits that offset CO2 emissions from fossil fuels, and utilization of rental roof scheme. Through these measures, the factory in Wuxi is able to bring approx. 44,000 tons of CO2 emissions to net zero in the fiscal year 2021 that ends in March 2021, the largest CO2 reduction among the Panasonic Zero CO2 factories that have been realized to date.

By rolling out these activities to Panasonic group companies on a global scale, Panasonic will steadily implement manufacturing without emitting CO2, aiming for a sustainable society as set forth in the Panasonic Environment Vision 2050.


1. Promotion of manufacturing with minimum energy
– Establishment of an automatic production line driven by mainly dual-arm robot (from FY
2019): This increased the production capacity by 10% with the same amount of energy
consumption as before, and also contributed to the reduction of the number of defective
products.

– Introduction of the smart EMS (Energy Management System) automatic energy-saving
control utilizing artificial intelligence (from FY 2020): This increased energy saving by 14%
at most in the processes where it was introduced.

– Use of inverters for dust collectors, pumps, and exhaust fans (10 units completed since FY
2017): This reduced the number of operation frequency by approx. 10Hz, and reduced 330
tons of CO2 per year.

– Introduction of inverter-type compressors and vacuum pumps (3 units completed since FY
2018): This resulted in energy saving and reduced 330 tons of CO2 per year by using
inverters.

– Introduction of LED lighting (since FY 2019): At a total of 13,725 locations, fluorescent
lamps, metal halide lamps, and down light lamps were replaced with LED lamps.

2. Introduction of solar power generation systems (since FY 2017, power generation capacity:
1.6MW)

3. Purchase of I-RECs (International Renewable Energy Certificates)

4. Use of carbon credits that offset CO2 emissions from fossil fuels
Going forward, Panasonic will also implement measures that utilize in-house developed
technologies, e.g. strengthening the energy-saving activities, further utilization of renewable
energy such as geothermal heat, and introduction of technologies to absorb, separate, and
utilize CO2 emitted from fossil fuels.

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