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節電
せつでん
power saving
節電のために、エアコンの温度を1度上げました。
I raised the air conditioner temperature by one degree for power saving.
formal
The practice of conserving electricity to reduce energy consumption and costs, often implemented during shortages or for environmental reasons.
政府は節電キャンペーンを展開しています。
The government is running a power-saving campaign.
Commonly used in contexts like energy crises, environmental policies, or personal habits to reduce electricity usage.
Pro Tip
Common Collocations
節電 is frequently paired with terms like 対策 (countermeasures), 効果 (effect), or モード (mode) in technical or policy contexts. For example, 節電対策 (power-saving measures) is a standard phrase in corporate sustainability reports.
Gold Rule
Formal vs. Informal Usage
In formal contexts (e.g., government announcements, corporate policies), 節電 is often used as a noun or part of compound nouns (e.g., 節電キャンペーン). In informal speech, it may appear as a verb phrase like 節電する (to save electricity).
Word Origin
Formed from the noun 節 (せつ, 'economy' or 'moderation') and 電 (でん, 'electricity'). The compound dates back to the early 20th century but became widely used during energy crises like the 1970s oil shocks and post-Fukushima power shortages in Japan.
Usage Notes
Used in both formal (government policies, corporate initiatives) and informal contexts (personal habits). Often paired with terms like 省エネ (energy conservation) or エコ (eco-friendly).
Word Breakdown
節
economy, moderation, frugality
root電
electricity
root和英辞典