Item | Unit | FY2022 | FY2023 | |
---|---|---|---|---|
CO2 emission intensity*1 | Pre-adjustment | kg-CO2/kWh | 0.549 | 0.533 |
Adjusted | 0.533 | 0.535 | ||
CO2 emissions*1 | Pre-adjustment | x106 t-CO2 | 12.1 | 12.5 |
Adjusted | 11.8 | 12.5 | ||
Equipment utilization rate of the Tomari nuclear power station | % | 0 | 0 | |
Power generation efficiency of thermal power stations | % | 41.4 | 40.9 | |
Electric power transmission and distribution loss | % | 6.1 | 5.5 | |
Purchase of electric power from renewable energy, etc. | Biomass power generation, etc.*2 | x106 kWh | 945 | 1,062 |
Wind power generation | x106 kWh | 1,179 | 1,219 | |
Solar power generation | x106 kWh | 2,942 | 3,060 | |
Geothermal power generation | x106 kWh | 1 | 1 | |
CO2 emissions in our office buildings, etc. (HEPCO Group)*3 *4 | x103 t-CO2 | 29 | 27 | |
Electricity usage in our office buildings (HEPCO Group) | x106 kWh | 57.9 | 55.0 | |
Electricity usage in our office buildings | x106 kWh | 42.5 | 40.6 | |
Amount of fuel consumed by heaters, etc. (converted to crude oil) | kl | 305 | 169 | |
Amount of fuel consumed by company vehicles | kl | 1,077 | 1,015 | |
Number of electric vehicles in company vehicles | number (total) | 10 | 37 | |
SF6 gas recovery rate (HEPCO Group) (Calendar year value) |
Upon inspection | % | 99 | 99 |
Upon removal | % | 99 | 99 |
"HEPCO Group" is written in items including group companies.
Item | Unit | FY2022 | FY2023 | |
---|---|---|---|---|
SOX emission intensity (Average of all power sources, HEPCO Group) | g/kWh | 0.55 | 0.65 | |
NOX emission intensity (Average of all power sources, HEPCO Group) | g/kWh | 0.46 | 0.45 | |
SOX emission intensity (Average of thermal power source) | g/kWh | 0.51 | 0.62 | |
NOX emission intensity (Average of thermal power source) | g/kWh | 0.50 | 0.51 | |
The pillar transformers contaminated by trace amounts of PCB*5 | Treatment weight | t | 392 | 477 |
Number of transformers | number | 2,560 | 2,829 | |
Water usage in power stations*6 | x103 m3 | 4,568 | 4,507 | |
Amount of wastewater from power stations*7 | x103 m3 | 2,667 | 2,632 |
"HEPCO Group" is written in items including group companies.
Item | Unit | FY2022 | FY2023 | |
---|---|---|---|---|
Recycling rate of industrial waste (HEPCO Group)*8 | % | 90.8 | 88.4 | |
Industrial waste | Emissions | x103 t | 857 | 736 |
Recycled | x103 t | 778 | 650 | |
Recycling rate of industrial waste | Coal ash | % | 89.1 | 86.5 |
Desulfurized gypsum | % | 100 | 99.9 | |
Concrete pillars | % | 100 | 100 | |
Scrap wire | % | 100 | 100 | |
Plastics for electricity distribution | % | 100 | 100 | |
Water usage in office buildings (HEPCO Group) | x103 m3 | 205 | 201 | |
Water usage in office buildings | x103 m3 | 152 | 150 | |
Green procurement rate (Office supplies, etc., HEPCO Group)*9 | % | 94.8 | 95.1 | |
Copy paper purchased (HEPCO Group) | x106 sheets | 76 | 75 |
"HEPCO Group" is written in items including group companies.