Residential Electricity Memo

Dec 13, 2025 | Life Journal

Tariff

Tier	kWh/Year	¥/kWh
1	0 ~ 2,880	0.4883
2	2,881 ~ 4,800	0.5383
3	4,801⁺	0.7883

Calculation

Energy Unit (kWh) = Power (kW) × 1h
Cost per Day (¥/d) = Power (kW) × 24h

Cost

0.4883 0.5383 0.7883

Day Month Year

Power	kWh/m	¥/m