市场消息：日本将对太阳能发电系统的网络安全提出要求。

Group 1 - Japan will impose cybersecurity requirements on solar power generation systems, indicating a regulatory shift towards enhancing the security of renewable energy infrastructure [1] - The move aims to protect solar energy systems from potential cyber threats, reflecting growing concerns over the vulnerability of critical energy infrastructure [1] - This initiative may influence the solar energy market in Japan, potentially leading to increased costs for compliance and investment in cybersecurity measures [1]