This is the 10941st most frequent Polish word.
energetycznego
"Energetycznego" means "of energy" or "energy-related."
In this sentence, 'energetycznego' is used as an adjective describing 'przemysł' (industry), referring to the industry related to energy.
Przemysł energetyczny odgrywa ważną rolę w gospodarce kraju.
The energy industry plays an important role in the country's economy.
Here, 'energetycznego' describes a type of saving or conservation, linked to reducing energy usage.
Musimy dążyć do oszczędzania energetycznego w naszych domach.
We must strive for energy-saving practices in our homes.
In this context, 'energetycznego' is part of the name or description of a research institute focused on energy topics.