発電

1. Origins, structure, and basic meaning

• Structure: 発電 (はつでん) combines generation 発 and electricity 電 to denote power generation.
• Basic usage: It applies to rooftop equipment and systems converting river flow into electrical energy.

2. Common pitfalls and similar expressions

• Producing power rather than using it
  • 発電する is the creation of electricity from another energy source, not its later transmission or consumption.