https://asia.nikkei.com/Business/Energy/Sony-goes-open-source-with-tech-that-regulates-renewable-energy?utm_source=Bilateral+Business+News&utm_campaign=539b1ad524-EMAIL_CAMPAIGN_2020_03_11_01_59_COPY_01&utm_medium=email&utm_term=0_1bd8870dad-539b1ad524-87163164