This is the 18423rd most frequent Russian word.
энергетику
The Russian word "энергетику" refers to "energy sector" or "energy industry" in English.
The word "энергетику" here refers to the energy sector or industry as a concept in economics and infrastructure.
Для стабильного развития региона требуется развивать энергетику.
For the stable development of the region, it is necessary to develop the energy sector.
In this sentence, "энергетику" is used to denote the energy systems or mechanisms within a specific organization or enterprise.
Новые технологии могут улучшить энергетику предприятия.
New technologies can improve the energy system of the enterprise.
Here, "энергетику" implies the academic field or scientific study related to energy and its applications.