Data

 Improvement of electricity use efficiency and reduction of CO2 emissions at Harmonic Drive Systems Hotaka Plant

Key initiatives to improve energy use efficiency at Harmonic Drive Systems Hotaka Plant in FY2022 are as follows.

  1. Improve production efficiency in manufacturing processes
  2. Save power during non-operating hours (holidays, night)
  3. Switch to energy-saving plant facilities and equipment (at time of renewal)
  4. Enforce stricter management of air conditioner usage

Electricity consumption in FY2022 was 11.247 million kW , up 2.7% YoY.
There was down 20.7% YoY in electricity consumption per unit of sales (1 billion).

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The total CO2 emissions from the three plants (Hotaka, Ariake, and Matsumoto Plants) were 11,522 t-CO2, surpassing the annual target of 11,638 t-CO2. The Ariake Factory has adopted CO2-free electricity from this fiscal year, and the amount of CO2 emissions due to the use of electricity there will be offset.

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Reduction of industrial emissions and promotion of recycling at Harmonic Drive Systems Hotaka Plant

The total amount of emissions (basic unit) in FY2022 decreased by 13.2% compared to the previous year. The recycling rate improved by 0.5 points from the previous fiscal year to 99.8%, achieving the annual target of a recycling rate of 99% or higher.

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