Kao USA Inc. that manufactures and sells consumer products has started Photovoltaic power generation on 18th October, 2018. Solar panels with 45.9 kW capacity have been installed on the roof of the wastewater treatment building. The panels are expected to generate 52 MWh/year, which will reduce annual CO₂ emissions by 24 metric tons.

Kao will continuously promote renewable energy to reduce greenhouse gas emissions throughout its business activities.