発電

はつでん

generation (e.g., power)

JLPT N2

Character Breakdown

Meaning and Usage

"発電" (はつでん) specifically refers to the generation of electric power or energy. It is commonly used in contexts related to power plants, energy production, and electricity supply.

Common Contexts

You will often see "発電" in discussions about different energy sources such as solar, wind, hydro, and thermal power generation. It is a technical term but also appears in everyday news and environmental topics.

Collocations and Patterns

  • 太陽光発電 (たいようこうはつでん): solar power generation
  • 発電所 (はつでんしょ): power plant
  • 発電量 (はつでんりょう): amount of power generated

These collocations are essential for talking about energy production and environmental issues.

Register and Nuance

"発電" is a neutral, formal term used in both written and spoken Japanese, especially in scientific, technical, and news contexts. It is not casual but is widely understood.

Common Mistakes

Learners sometimes confuse "発電" with "発電機" (はつでんき), which means "generator" (the machine). Remember, "発電" is the act or process of generating power, while "発電機" is the device that generates it.

Example Sentences

このはつでんしょはさいせいかのうエネルギーをつかってはつでんしています。

This power plant generates electricity using renewable energy.

はつでんりょうがふえると、でんきりょうきんがやすくなることがあります。

When power generation increases, electricity rates may become cheaper.

たいようこうはつでんはかんきょうにやさしいエネルギーげんとしてちゅうもくされています。

Solar power generation is attracting attention as an environmentally friendly energy source.