noun
power supply company; power distribution company
Refers to a business entity that generates, transmits, or distributes electricity to consumers.
その電力供給会社は再生可能エネルギーに力を入れている。
That power supply company is focusing on renewable energy.
A more general term for an electric power company, often used for major utilities. 電力供給会社 emphasizes the supply/distribution aspect.
Compound of 電力 (electric power) + 供給 (supply) + 会社 (company).