(せつでん)

せつでん
noun; suru verb
power saving; conserving electricity
1. saving electricity; power conservation
The practice of reducing electricity consumption, both as an individual habit and as a social movement.
(なつ)節電(せつでん)(こころ)がけている。
In summer, I try to conserve electricity.
節電(せつでん)のためにエアコンの設定温度(せっていおんど)()げた。
I raised the air conditioner's temperature setting to save electricity.
政府(せいふ)節電(せつでん)()びかけている。
The government is calling for power conservation.

COMPOSITION: (せつ) (economize, moderate) + (でん) (electricity).

CONTEXT: 節電(せつでん) became especially prominent after the 2011 Tōhoku earthquake and Fukushima nuclear disaster, when Japan faced power shortages.

COMMON MEASURES:

  • Raising AC temperature in summer (冷房(れいぼう) to 28°C)
  • Lowering heater temperature in winter (暖房(だんぼう) to 20°C)
  • Turning off lights when not needed
  • Using LED lighting
  • Reducing standby power

RELATED VOCABULARY:

  • (しょう)エネ: energy saving (broader term)
  • 節水(せっすい): water conservation
  • 節約(せつやく): saving (general), economizing
  • 電力(でんりょく)不足(ぶそく): power shortage

COMMON COLLOCATIONS:

  • 節電(せつでん)する: to save electricity
  • 節電(せつでん)()びかける: to call for power saving
  • 節電(せつでん)対策(たいさく): power-saving measures
  • 節電(せつでん)モード: power-saving mode