Accident reporting to the national government will be mandatory for home solar power generation systems (10kW or more).

In recent years, to investigate the causes of fires and electric shock accidents caused by solar panel installations, which have been occurring frequently, and to implement measures to prevent recurrence, from April 1, 2021, among the small-scale power generation facilities specified in Article 38 of the Electricity Business Act,

• Solar Power Generation Equipment (10kW or more, less than 50kW)
• Wind Power Generation Equipment (Less than 20kW)

In the event of an accident, reporting to the Ministry of Economy, Trade and Industry will be mandatory.
If there is a violation of the reporting requirement, there are legal penalties.
Note: Residential solar power generation systems with a capacity of less than 10kW are not subject to this.

Accidents that require reporting

1. Injuries and fatalities due to electric shock
2. Electrical Fire Accident
3. Damage incidents to other properties
4. Equipment Damage Incident

Contact Information

Ministry of Economy, Trade and Industry, Kanto Tohoku Industrial Safety Supervision Department, Electrical Safety Section
Phone: 048-600-0392
Email Address: hatsuden-kanto-jiko@meti.go.jp

Details

For more details, please visit the Ministry of Economy, Trade and Industry's website.

• Regarding the Accident Report of Small-Scale Power Generation Facilities(External Link)

• Guide to Reporting Small-Scale Power Generation Equipment Accidents (PDF 213.6KB)