- Special Note on Power Generation Facility
- Generation Capacity by Energy Source
- Hydroelectric Power Station
- Internal Combustion Power Station
- Nuclear Power Station
- New Energy Power Station
- Transmission Facilities by Voltage
- Underground Transmission Line Instllation Rate
- 1MV Designed Power Transmission Lines (UHV: Ultra High Voltage Lines)
- Substation Facilities
- Number of Supports and Transformers for Distribution Facilities
- Underground Distribution Line Installation Rate
- Loss Rate of Electricity Transmission
- Automated Rate of Hydroelectric Power Stations and Substations
- Major Maintenance Plan for the Transmission and Transformation Facilities
- Frequency of Outages per Household
- Duration of Outages per Household
- International Comparison of Frequency of Outage
- International Comparison of Duration of Outage
Data that was not eligible for update due to the deregulation of retail electricity, shifting to a Holding Company System and transfer of fuel business and thermal power generation business to JERA Co., Inc.
- Thermal Power Station
- Thermal Efficiency of Thermal Power（lower heating value）
- International Comparison of Thermal Efficiency
- Power Generation Facilities （authorized capacity）
- Generation Capacity by Energy Source (purchased power included）
- Electricity Generated and Purchased
- Power Output Composition by Energy Source（purchased power included）
- Power Output Composition by Energy Source（purchased power included; 10 Electric Power Companies）
- Screening Results for the Bid System for Wholesale Supply of Electric Power
- List of Successful Bidders
- Total Amount of IPP Power Supply Procurement
